#linuxcnc | Logs for 2012-04-14

[00:00:11] <Valen> how do you CAM?
[00:00:32] <Jymmm> Valen: I think there's a gcode plugin
[00:02:51] <archivist> pfred1, MattyMatt
[00:03:05] <pfred1> archivist ah I haven't seen them around lately
[00:03:40] <Jymmm> MattyMatt was here a couple of days ago.
[00:03:55] <pfred1> and what about andy?
[00:03:59] <pfred1> he still MIA?
[00:04:23] <Jymmm> On a boat or in INS custody I guess =)
[00:05:07] <Jymmm> Wait, he got his VISA, nm.
[00:05:08] <pfred1> andy would just like to send all of you this: http://www.youtube.com/watch?v=R7yfISlGLNU
[00:05:09] <Tecan> (R7yfISlGLNU) "I'm On A Boat (ft. T-Pain) - Album Version" by "thelonelyisland" is "Comedy" - Length: 0:03:09
[00:08:50] <Valen> I think it'd be more like this somehow http://www.youtube.com/watch?v=Gm4UAt_bKwo
[00:08:54] <Tecan> (Gm4UAt_bKwo) "I'm on a boat - Australian Navy Style" by "Mkidgell" is "Entertainment" - Length: 0:02:39
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[00:11:28] <Valen> he really needs to stop pasting stuff
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[00:20:45] <Tom_itx> man, somebody shoot MarkusBec
[00:21:17] <Jymmm> I could I guess
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[00:22:02] -!- mode/#linuxcnc [+o Jymmm] by ChanServ
[00:22:18] <Jymmm> Just a temp ban to see if that fixes his client...
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[00:22:57] <pfred1> you can ignore them
[00:23:22] -!- mode/#linuxcnc [+b Marcusbec*!*@*] by Jymmm
[00:23:23] <Tom_itx> i can complain about them too :)
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[00:23:37] <pfred1> heh
[00:23:37] <Valen> heh
[00:23:43] <Tom_itx> i saw that coming
[00:23:44] <pfred1> jynx!
[00:24:01] <pfred1> ban their IP
[00:24:01] <Jymmm> MarkusBe-: did you fix it?
[00:24:10] <Valen> i am wondering how to turn on the "hide boring join/part messages" part of this client
[00:24:12] <Jymmm> pfred1: I wasnt trying to perm ban him
[00:24:29] <pfred1> you can unban too you know
[00:25:08] <Jymmm> Sure, after 5m or a pm whichever comes first
[00:25:22] <Tom_itx> where's this gcode plugin for blender?
[00:25:35] <pfred1> I've heard of the plugin myself
[00:25:57] <Tom_itx> does it do 5axis rotary?
[00:26:08] <PCW> Andy is on his way back to GB today (by plane)
[00:26:27] <Jymmm> PCW: They kicked him out of the country?
[00:26:44] <pfred1> he wanted to go back to where they speak English
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[00:26:59] <PCW> Well they let him stay 2 weeks at least
[00:27:11] <Jymmm> PCW: I thought he visa was for 6months
[00:27:32] <PCW> I expect he needs to get back to work
[00:27:47] <Jymmm> PCW: You showed him The Castro District didn't you!
[00:29:31] <PCW> No, but I do think he liked the chance to really dry out
[00:30:06] <Jymmm> PCW: haha, I bet. Not much chance to do that in SF though.
[00:30:25] <Jymmm> Some place warm like Napa/Sonoma
[00:31:15] -!- mode/#linuxcnc [-b Marcusbec*!*@*] by Jymmm
[00:31:37] <PCW> He showed us around the winning yacht today that was fun
[00:31:53] <Jymmm> ah, cool.
[00:32:11] <Jymmm> PCW: was he staying aboard during his time here?
[00:32:12] <Tom_itx> how are they gettin em back home?
[00:32:27] <Jymmm> Tom_itx: plane
[00:32:45] <Jymmm> Tom_itx: you provide your own transportation
[00:32:46] <Tom_itx> the boats
[00:32:53] <archivist> they sail
[00:32:55] <PCW> there are two more legs to the trip (but Andy is flying home)
[00:33:04] <djdelorie> they check them in general luggage :-)
[00:33:05] <Tom_itx> sail without andy then
[00:33:17] <Jymmm> Tom_itx: Next group #4
[00:33:21] <Tom_itx> there are transport ships for that
[00:33:27] <archivist> he was only doing one leg
[00:33:28] <Tom_itx> ok so they're not done
[00:33:31] <Tom_itx> ahh ok
[00:33:40] <PCW> Leaving Oakland tomorrow bound for New York and the GB
[00:33:47] <PCW> and then GB
[00:34:29] <Tom_itx> tell him to wave when he flies over swampeast Mo and Ks
[00:35:32] <PCW> (I mean the yachts are)
[00:35:33] <pfred1> are they going to sail around the horn?
[00:35:54] <PCW> Through the canal
[00:36:05] <pfred1> hmm probably smart :)
[00:38:26] <ssi> so I got these drives
[00:38:32] <ssi> now I gotta figure out what to drive with them :D
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[00:40:21] <ssi> wondering if these'd be useful
[00:40:21] <ssi> http://www.ebay.com/itm/280846901483?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649#ht_1950wt_1413
[00:42:03] <pfred1> fleabay
[00:42:18] <pfred1> place is like the land of scammers anymore
[00:42:28] <ssi> I haven't had any problems with ebay tbh
[00:42:35] <ssi> and I've bought and sold hundreds of things
[00:43:01] <pfred1> you won your 99 cent auction now $20 shipping and handling please!
[00:43:20] <ssi> just gotta be smart enough to realize that :)
[00:43:39] <pfred1> and you have to use paypal now
[00:43:51] <Tom_itx> of course
[00:43:55] <PCW> Those look pretty nice but I dont see any specs
[00:43:58] <Tom_itx> they get a percent twice that way
[00:43:58] <ssi> practically speaking, yes
[00:44:08] <ssi> and as a buyer, there's almost no downside to paypal
[00:44:09] <archivist> I often collect and pay cash
[00:44:13] <ssi> as a seller, not so much
[00:44:42] <pfred1> actually in the USA I'm not even sure of ebay is operating within the law demanding paypal use
[00:44:44] <ssi> PCW: yeah that's what I'm wondering about... says 60VDC, but no current or power
[00:44:53] <Tom_itx> 23in/lb
[00:44:54] <ReadError> paypal has protection
[00:44:55] <ssi> just "tests at about 23lbin
[00:44:58] <ReadError> if you get robbed
[00:44:58] <pfred1> this note is legal tender for all debts public and private
[00:45:01] <ReadError> you get your money back
[00:45:46] <pfred1> I'm pretty sure it still says that on our currency doesn't it?
[00:46:25] <ssi> ebay doesn't demand paypal use
[00:48:26] <djdelorie> pfred1: IIRC the misconception is that the debt exists before you buy the item. eBay can choose not to create debt by requiring payment, and choosing the payment method.
[00:48:39] <djdelorie> Plus, IIRC, the "all debts" probably also means "debts to the govmint"
[00:48:58] <PCW> Kind of looks like 100-200W
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[00:49:31] <ssi> PCW: not too out of line for what I'm looking for, probably
[00:49:42] <pfred1> djdelorie a good way to skirt the spirit
[00:49:44] <ssi> PCW: can you get a feel for whether it's brushed or brushless from the look of it?
[00:49:56] <PCW> looks like a deal if you can use it (its brushed)
[00:50:08] <ssi> PCW: I have three brush drives
[00:50:23] <ssi> 1200W continuous drives... somewhat overkill :)
[00:50:51] <PCW> There must be a lot of those surplus I found more listings when I tried to LU the PN
[00:51:00] <PCW> bbl ttgh
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[00:52:05] <ReadError> pfred1
[00:52:10] <ReadError> ebay allows other payment
[00:52:21] <ReadError> some sellers will let you mail a check or MO
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[00:53:12] <Tom_itx> yeah but who want's to wait extra time
[00:53:25] <pfred1> I don't mind waiting
[00:54:03] <Valen> be nice if mesa had some cheap products to drive 1200w motors ;->
[00:54:34] <pfred1> the only thing cheap 1200 Watts is a hairdrier
[00:54:54] <ssi> I wish I had some 1200W motors to drive with my cheap 1200W drives! :D
[00:55:05] <Valen> scooter motors
[00:55:24] <pfred1> people like treadmill motors
[00:55:50] <Tom_itx> what about wheelchair motors
[00:56:08] <pfred1> for a while you couldn't drive around without seeing a treadmill on the curb
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[00:56:36] <Tom_itx> are they all in your back yard now?
[00:56:46] <pfred1> no I didn't get in on the craze
[00:56:54] <pfred1> but plenty of others did
[00:57:08] <Valen> so people there rip apart anything with copper in it for scrap?
[00:57:19] <Valen> IE smashing old TV's to pull out the coils
[00:57:30] <pfred1> people used them as variable speed motors for lathes
[00:57:31] <Valen> leaving the smashed glass everywhere
[00:58:01] <pfred1> you can take a yoke off a tube without breaking it
[00:58:12] <Valen> that takes more than 3 seconds
[00:58:15] <pfred1> well I can maybe you can't
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[00:58:57] <Valen> pfred1: if i found somebody doing that i'd take to them with a bat
[00:59:04] <Valen> leaving broken glass on the ground is not ok
[00:59:16] <pfred1> why not it came out of the ground
[00:59:33] <Valen> because i might want to walk in my front yard with bare feet
[00:59:40] <Valen> or walk my dogs along the street
[00:59:51] <pfred1> then don't leave TVs in yoru front yard
[00:59:59] <Valen> i dont
[01:00:20] <Valen> but other people put them out for council collection then the metal buzzards smash them before council gets there
[01:00:37] <pfred1> recycling at its finest
[01:00:58] <Jymmm> Valen: I found a 1300fps pellet rifle =)
[01:01:25] <Valen> The issue i take is they break things that are working that others could well use and leave shit everywhere
[01:01:31] <Valen> thats not recycling
[01:02:03] <Valen> the same people go around stealing the cast iron drain grates
[01:02:04] <Tom_itx> last summer they would steal the copper wiring from public park lighting just to sell the copper
[01:02:12] <pfred1> such is the nature of resource competition I suppose
[01:02:36] <Valen> pfred1: such is the nature of idiots
[01:02:38] <Tom_itx> lots of AC units came up missing as well
[01:03:10] <djdelorie> don't forget the occasional corpse at the power transmission stations...
[01:03:30] <Valen> i'd make laws that all scrap from the public must show a chain of ownership and be photographed with the scrapper
[01:03:52] <pfred1> yeah that'd work
[01:03:56] <Valen> then when 100 year old cast iron drains come through the police can throw the bastards in jail for the next 100 years
[01:03:57] <pfred1> NOT!
[01:04:04] <Valen> oh it'd work just fine
[01:04:23] <pfred1> how is it going to work when I want to scrap my 100 year old cast iron drains?
[01:04:48] <Valen> thats your problem isn't it
[01:04:58] <Jymmm> pfred1: You show your receipt for em!
[01:05:02] <pfred1> no nanny regulation is my problem
[01:05:05] <Valen> if it stops them from making huge holes in the street i'm fine with it
[01:05:19] <Valen> so whats your solution then hrm?
[01:05:36] <djdelorie> rewire it all so it's always live? ;-)
[01:05:43] <Tom_itx> http://www.youtube.com/watch?v=hIkNY5xjy5k
[01:06:50] <Valen> djdelorie: that doesn't stop them in india
[01:07:04] <Jymmm> djdelorie: doens't help. they went after the electric train at 4KV once
[01:07:24] <pfred1> yeah but you usually only go after things like that once
[01:07:41] <Jymmm> pfred1: New stupid daily.
[01:07:51] <Jymmm> for your enjoyment
[01:08:02] <Jymmm> and agrivation
[01:08:05] <Valen> treat scrap the same as any other second hand good, the yard should be required at least to inventory the scrap and associate it with who deivered it to them
[01:08:29] <Valen> Tom_itx: thats a good one ;->
[01:08:39] <pfred1> well I suppose the scrap yard is responsible for receiving stolen goods
[01:08:40] <Jymmm> they require ID usually
[01:09:09] <pfred1> I mena if you come in with a truck loaded with manhole covers marked NYC they should know something is up
[01:09:19] <Valen> they don't though
[01:09:33] <pfred1> then the scrap yard is culpable
[01:09:34] <Jymmm> they ignore it, it's money in their pocket.
[01:10:15] <Tom_itx> Valen i dare say they wouldn't be stealing that wire
[01:10:16] <pfred1> I guy I know almost lost his aluminum boat it got stolen and brought to a scrap yard but he called around and found it
[01:10:27] <Valen> they go round the cleanups, fill the trailer with bike frames and such like, realise that their whole day of driving around has cost them $50 in fuel and rip up a heavy chunk of cast iron and throw that in the middle of the pile
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[01:17:19] <Valen> I'll take something from a cleanup, but i take it because i want to use the whole device
[01:17:33] <Valen> i've gotten some nice speakers and more than a few room heaters that way
[01:17:42] <pfred1> and that makes you better than someone that uses just a part of it?
[01:17:49] <Valen> yes
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[01:18:00] <Valen> reduce, reuse, recycle
[01:18:04] <Tom_itx> repurpose instead of vandalize and sell the scrap
[01:18:05] <Valen> in that order
[01:18:27] <Valen> they break working things and leave dangerous crap behind
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[01:19:07] <Tom_itx> i can count on setting something out and having it gone by morning
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[01:19:41] <Valen> see i'm fine with that
[01:20:13] <Tom_itx> i got a pc that way once but i asked before i loaded it up
[01:20:15] <Valen> see something you can use on the side of the road, pick it up and use it, don't leave a mess
[01:20:22] <Valen> extra nice
[01:20:31] <pfred1> I've gotten many PCs for free
[01:20:42] <pfred1> I didn't keep too many of them together though
[01:20:56] <Tom_itx> well me either but i did use the parts
[01:21:04] <Tom_itx> and didn't leave them scattered all over the place
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[01:21:42] <pfred1> if I grab something I grab it all and dispose of what I don't want properly
[01:22:04] <Tom_itx> wow, splicing a power line: http://www.youtube.com/watch?v=OY72athcwvA&feature=related
[01:22:06] <pfred1> but I'm not going to say anything against people who don't do that
[01:22:24] <Valen> so your fine with broken glass on your footpaths?
[01:22:32] <Valen> thats fine with you
[01:22:53] <pfred1> people chuck bottles ont othe front of my property all the time
[01:23:01] <Valen> and you like that
[01:23:02] <pfred1> I just mow them
[01:23:30] <pfred1> yeah I don't walk out there
[01:23:48] <Tom_itx> you may quit mowing them once you get a piece in your leg
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[01:24:25] <pfred1> ah I said I don't walk out there I use a riding mower
[01:24:46] <pfred1> I have over 2 acres I have to mow so
[01:25:06] <Valen> I'd set up a camera and report them to the police
[01:25:16] * pfred1 pushed a mower once and that was enough for him!
[01:25:34] <pfred1> I was jacked up for like a week after that
[01:25:46] <Valen> i cant handle people destroying either public or private spaces
[01:25:56] <Valen> they can fuck their own space up but not mine
[01:26:27] <pfred1> well I don't know between teh drainage ditch and the road I'm not too territorial about that piece of ground
[01:26:44] <pfred1> I really can't see it from my house
[01:27:05] <Valen> probably somewhat different in a rural area
[01:27:28] <Valen> but if you had a horse and rode it along there you would probably not be quite so ambivilent
[01:27:30] <pfred1> yeah my next door neighbor he's like on my land a good 40 feet way in the back
[01:27:47] <pfred1> I only know because of satellite imagry I never made an issue out of it with him
[01:28:19] <pfred1> he had a horse and i think he used to ride in my backyard
[01:28:54] <pfred1> ut one day the horse was gone I don't know what happened there
[01:29:07] <pfred1> I do know there was a nasty hole in the tall grass in my backyard
[01:29:40] <pfred1> my neighbor might know about it too I don't know
[01:31:12] <ReadError> woh
[01:31:13] <pfred1> Valen know what does piss me off?
[01:31:19] <ReadError> he buried his horse in your backyard?
[01:31:32] <pfred1> ReadError I don't think he did
[01:31:43] <pfred1> he might have I don't go into the woods back there
[01:31:44] <Valen> horse broke its leg in the hole is the implication
[01:32:13] <pfred1> the kids around here have nothing better to do than go mailbox batting
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[01:32:35] <pfred1> man my mailbox looks like it has been through a war
[01:32:42] <Valen> I'd put an 8mm steel letterbox in, if i didn't think it'd get stolen and sold as scrap
[01:32:44] <djdelorie> mill one out of cast iron
[01:32:49] <pfred1> and everytime they beat it up I have to fix it
[01:33:03] <Valen> djdelorie: nah that absorbs impact, you want it to ring like a bastard ;->
[01:33:05] <pfred1> djdelorie wouldn't be postmaster approved
[01:33:13] <djdelorie> buy a big mailbox and a little one, nest them, fill the gap with concrete
[01:33:23] <Tom_itx> put some impact explosives on the outside of it
[01:33:30] <eric_unterhausen> they sell mailboxes that are so thick that it will survive almost anything
[01:33:34] <pfred1> there are regulations about what you can put on the side of the road
[01:33:36] <djdelorie> my uncle was a mail carrier, one of his customers had a mailbox made of plate steel
[01:33:37] <Valen> djdelorie: america has really narky rules
[01:33:58] <djdelorie> Mine is that funny plastic that's nearly indestructable
[01:34:03] <pfred1> like we can't use more than a 4x4 to hold it up for instance
[01:34:13] <Tom_itx> mount plate steel one to an old semi crankshaft stuck in the ground
[01:34:15] <pfred1> in case someone drives off the road
[01:34:20] <eric_unterhausen> go to lowes or homedepot, they have indestructible ones
[01:34:43] <Tom_itx> meh make your own
[01:34:44] <pfred1> I seen what mailboxes they have and I seen them all broken too
[01:35:24] <pfred1> if the kids don't get your mailboxes the snow plows do
[01:35:36] <eric_unterhausen> I have a hard time believing something made of 1/4" sheet metal can be broken
[01:35:45] <pfred1> a wall of snow going 50 MPH is tough for them to survive
[01:36:01] <eric_unterhausen> we had a mailbox in a brick column
[01:36:03] <pfred1> eric_unterhausen would you believe it is illegal to use it then?
[01:36:11] <djdelorie> min'e on a pivot arm so it can be pushed out of the way by the plows
[01:36:14] <eric_unterhausen> local law?
[01:36:21] <pfred1> county rules
[01:36:43] <eric_unterhausen> what is this, some kind of mailbox baseball criminal conspiracy?
[01:37:05] <djdelorie> It's for the CHILDREN!!!
[01:37:18] <pfred1> I see people with the brick mailboxes but they're not in compliance and the state could come by and bulldoze them
[01:37:30] <pfred1> and be within their rights
[01:37:41] <Valen> and also voted out of office
[01:37:43] <eric_unterhausen> actually, the brick mailboxes fall right down when they get hit
[01:37:56] <pfred1> doesn't matter code is a 4x4
[01:38:02] <eric_unterhausen> I believe it
[01:38:06] <pfred1> they don't even want you putting bricks in the ground to hold it up either
[01:38:11] <eric_unterhausen> not that I want to run into a 4x4
[01:38:23] <Valen> 4x4 wouldn't bother your car much
[01:38:29] <Valen> might bother you on a bike
[01:38:31] <pfred1> not in our sandy soil
[01:38:33] <pfred1> pop right out
[01:38:39] <Valen> but anything would bother you on a bike
[01:38:40] <Tom_itx> sorta surprised they don't require you to drill a hole at the base of it
[01:38:50] <Tom_itx> if they're getting that picky
[01:39:02] <eric_unterhausen> or set it on the ground :)
[01:39:08] <Valen> why not mandate that they be on flexy poles
[01:39:18] <Valen> think of the children
[01:39:21] <eric_unterhausen> might spring back an hit someoen in the face
[01:39:23] <djdelorie> must be made of lego bricks, not glued, and spandex.
[01:39:24] <Tom_itx> our wood pole road signs here have holes drilled
[01:39:50] <pfred1> hey before i moved my mailbox I went through the trouble of looking up the regulations
[01:39:51] <eric_unterhausen> I haven't seen a wood pole road sign in some time
[01:40:15] <eric_unterhausen> how do they keep you from using a stronger mailbox, weight limit?
[01:40:34] <pfred1> well you can't use any mailbox not approved by the postmaster general
[01:40:39] <pfred1> that is a federal law
[01:40:48] <eric_unterhausen> there are some really heavy duty ones that are postmaster approved
[01:41:12] <Valen> does each individual one need to be approved or can you just meet the requirements?
[01:41:30] <pfred1> I think a model gets approved then they are mass produced
[01:43:01] <Spida> but they have to be mass-produced?
[01:43:29] <pfred1> I guess if the postmaster general is your golfing buddy you could have him come over and approve of your mailbox
[01:43:40] <Valen> actually it looks as though only mass produced ones need approval
[01:44:17] <Valen> http://www.everything-mailboxes.com/mailbox-standards.html
[01:44:58] <pfred1> now I need new house numbers
[01:45:11] <pfred1> I'm kind of skating on those rules
[01:45:36] <pfred1> well, I never did have house numbers but yo ucan't see my house from the street anyways
[01:45:52] <pfred1> but I need numbers on my mailbox
[01:46:08] <pfred1> I have them but the ones i got are beat now
[01:46:26] <pfred1> we got regulations about them too
[01:46:34] <Valen> so looks like you probably can make your plate steel mailbox
[01:46:39] <eric_unterhausen> if it's not postmaster approved, they can refuse to deliver mail
[01:46:53] <Valen> it needs to be aproved by your local postmaster
[01:46:58] <Valen> not *the*
[01:47:24] <pfred1> yeah I'm really not interested in making trouble
[01:47:39] <Valen> i think your perhaps over concerned
[01:47:52] <Valen> plate steel mailbox that looks identical to all the others
[01:48:00] <Valen> paint it up normal
[01:48:04] <eric_unterhausen> I just found a mailbox that costs $700
[01:48:09] <Valen> add a trembler switch and a video camera
[01:48:27] <eric_unterhausen> they probably are hitting it with a baseball bat from a moving car
[01:48:29] <Valen> email you the videos of punks breaking their bats on it
[01:48:46] <eric_unterhausen> one of the mailbox companies had an ad like that
[01:49:01] <pfred1> eric_unterhausen I do believe tha is how the activity is performed
[01:49:07] <eric_unterhausen> the heavy duty mailboxes don't look any different
[01:49:24] <eric_unterhausen> so it isn't much fun to hit one
[01:49:46] <pfred1> then instead of them denting my mailbox I'd have to replace my custom post
[01:50:09] <Valen> your not going to break a 4x4 post with a bat
[01:50:37] <pfred1> yeah they'd probably run it over with their 4x4
[01:50:47] <Valen> even better lol
[01:50:56] <Valen> itd make a fine mess of their car
[01:51:14] <pfred1> I said 4x4
[01:51:38] <Valen> running over a 4x4 post isn't going to do anything short of a tank any favours
[01:52:05] <pfred1> I donno I could run over it with my truck and not even scratch it
[01:52:41] <pfred1> it took me 3 days to make that post
[01:52:53] <Valen> 3 days to make a 4x4 post?
[01:53:07] <pfred1> well the time consuming part was the support brace
[01:53:21] <pfred1> it is a quarter circle laminated and mortised
[01:53:53] <pfred1> it is very stylish
[01:54:16] * pfred1 didn't like the crap the home centers was selling
[01:55:10] <djdelorie> steel post sunk 7 ft into the ground, 3ft of dirt and 4ft of solid granite :-)
[01:55:23] <pfred1> I made a hardboard template and patern routed the laminations
[01:56:02] <pfred1> djdelorie if you ever want to get rich drive a truckload of rocks to Delaware
[01:56:14] <pfred1> well to sussex county
[01:56:22] <pfred1> because we don't have any native rocks!
[01:56:31] <djdelorie> around here they just stick up out of the ground... We're called "the granite state" for a reason
[01:56:38] <pfred1> a small pallet of rocks goes for like $700 here
[01:56:47] <pfred1> I'm not kidding
[01:57:00] <pfred1> it blew my mind when I moved here
[01:57:24] <pfred1> I wasl ike you got to be kidding me this little pile of rocks costs what?
[01:57:24] <djdelorie> took 12 cases of dynamite to make the hole for my house's foundation.
[01:57:53] <pfred1> I worked on a job back where I came from and yo ucould dig al lday and not fill a bucket with dirt
[01:58:15] <Valen> i've got clay
[01:58:19] <Valen> lots and lots of clay
[01:58:21] <pfred1> you could also walk across that jobsite and not touch the ground there was so much yellow explosive wire all over the place
[01:58:21] <djdelorie> biggest problem on our build was finding a spot that had enough dirt to put in the septic system
[01:58:36] <Valen> mixed with rocks for flavour
[01:58:46] <pfred1> we have sand here
[01:59:38] <pfred1> no rocks
[01:59:47] <djdelorie> sand is like tiny rocks...
[01:59:54] <pfred1> no it really isn't
[02:00:02] <djdelorie> really really tiny rocks...
[02:00:02] <Valen> lol
[02:00:08] <Valen> some sand is
[02:00:11] <Valen> some is polished
[02:00:19] <pfred1> my shed sank so I had to jack it up and put some bluestone under the blocks
[02:01:08] <Jymmm> JT-Shop: did you say you do automation?
[02:01:11] <pfred1> since I did that it has been on an even keel
[02:02:28] <pfred1> djdelorie when I put in my solar panels I sank a post and i dug down about 5 feet and I found one huge grain of sand I'd call a small rock
[02:02:49] <pfred1> I didn't feel like cutting the 8 foot 4x4
[02:03:04] <Jymmm> pfred1: burn it
[02:03:15] <pfred1> it is pressure treated
[02:03:18] <eric_unterhausen> 2' down, we have a giant sheet of slate
[02:03:24] <djdelorie> in my case, they were drilling for explosives elsewhere on the driveway, so I had them drill a hole for the mailbox too. Easy-peasy.
[02:03:48] <Jymmm> pfred1: respirartor
[02:04:00] <Valen> djdelorie: lol
[02:04:09] <Valen> still, good foundation at least
[02:04:13] <Valen> not so great for trees
[02:04:20] <pfred1> http://i.imgur.com/l6gMt.jpg
[02:04:28] <pfred1> that is an 8 foot 4x4
[02:04:47] <Jymmm> looks like a pond to me
[02:04:59] <pfred1> Jymmm in back of the pond wise guy
[02:05:11] <pfred1> and my rock wealth!
[02:05:16] <Jymmm> statue
[02:05:33] <pfred1> the statue is worthless compared to the rock it is sitting on
[02:06:15] <Jymmm> Oh, and boycot Scotts/Miracle Grow products. They are intentionally coating bird seed with insecticides.
[02:06:36] <pfred1> I like miracle grow garden soil
[02:06:41] <pfred1> stuff works
[02:06:44] <djdelorie> sweet! I'll feed it to the crows that poop on my deck.
[02:07:09] <pfred1> yeah I don't know why they call it bird seed
[02:07:17] <pfred1> I ain't seen the animal yet that won't eat the stuff
[02:07:25] <Jymmm> http://grist.org/list/scotts-miracle-gro-pleads-guilty-to-selling-poisoned-bird-seed/
[02:07:33] <djdelorie> and if you plant it, birds don't grow from it...
[02:07:40] <pfred1> heck my neighbor's dog comes over sometimes and eats it!
[02:07:48] <eric_unterhausen> has anyone ever had to troubleshoot a linux system that crashes randomly?
[02:07:53] <eric_unterhausen> memtest passes
[02:07:57] <eric_unterhausen> for hours
[02:08:01] <Jymmm> eric_unterhausen: the logs never lie
[02:08:02] <djdelorie> yeah, but dogs eat anything. Poop. Rocks. Sticks.
[02:08:06] <pfred1> eric_unterhausen check the motherboard for bad caps
[02:08:19] <djdelorie> eric: dust in the cpu heatsink?
[02:08:30] <eric_unterhausen> I just fixed another motherboard with new caps, but didn't think about this one
[02:08:33] <pfred1> or a shot CPU fan
[02:08:33] <Jymmm> grilled cheese in the VCR
[02:08:46] <eric_unterhausen> I think the cpu cooler is ok
[02:08:52] <eric_unterhausen> had thought thermal
[02:09:04] <Jymmm> eric_unterhausen: did you check the logs?
[02:09:12] <pfred1> any brown crust on the top of caps
[02:09:12] <eric_unterhausen> which log
[02:09:17] <pfred1> evne just a little
[02:09:31] <pfred1> sometimes they don't come out but just leak
[02:09:32] <eric_unterhausen> the bad caps I replaced in the other system were just bulged
[02:09:35] <pfred1> dome out even
[02:09:45] <pfred1> yeah they don't always bulge
[02:09:56] <pfred1> look in the expansion slots for a little brown
[02:10:04] <eric_unterhausen> I was really happy that fixed it because it would have been a very expensive computer to replace
[02:10:13] <eric_unterhausen> why in the expansion slots?
[02:10:20] <pfred1> that is where it comes out
[02:10:28] <pfred1> in the top of the cap are lines
[02:10:37] <eric_unterhausen> oh, that expansion slot
[02:10:40] <pfred1> those expansion slots
[02:10:47] <eric_unterhausen> I thought you meant pci
[02:10:51] <pfred1> no
[02:11:03] <eric_unterhausen> which logs are most likely to show issues?
[02:11:05] <pfred1> I've seen caps go and not bulge just sort of leak
[02:11:13] <pfred1> syslog
[02:11:23] <eric_unterhausen> var/syslog?
[02:11:24] <pfred1> /var/log/syslog
[02:11:40] <pfred1> you need to be root to look at it
[02:12:22] <pfred1> messages is sort of like syslog but the really critical stuff goes to syslog
[02:13:08] <eric_unterhausen> more /var/log/syslog worked with no sudo, are they hiding things from me
[02:13:29] <pfred1> wow maybe ubuntu is different than debian
[02:14:07] <Tom_itx> ubuntu is built off debian isn't it?
[02:14:27] <pfred1> yeah but they do their own thing with their system they just use the repo
[02:14:34] <tronwizard> it is, ubuntu kinds forces you to use sudo, but you can create a root password for login as such
[02:14:42] <pfred1> ubuntu is debian testing for the most part
[02:15:16] <pfred1> least ubuntu sets sudo up for you
[02:15:19] <pfred1> debian doesn't
[02:15:36] <pfred1> you have to visudo in debian
[02:16:11] <pfred1> least i did the last time I set it up
[02:17:10] <pfred1> can you su root in ubuntu?
[02:17:13] <eric_unterhausen> I need to upgrade a fedora 10 system at work
[02:17:27] <eric_unterhausen> they installed the stupid software raid, it's a nightmare
[02:17:51] <pfred1> I never tried it but it seems like suse had nice lvm setup to me
[02:18:38] <tronwizard> sudo passwd will let you create a root password, then you can use that to login as root
[02:19:17] * pfred1 uses sudo -s a lot
[02:19:39] <eric_unterhausen> I've gotten used to just using sudo
[02:19:57] <pfred1> well sudo -s just gives you a root shell
[02:19:59] <Tecan> goodmorning vietnam
[02:20:18] <pfred1> you get the # until you exit
[02:21:11] <Tecan> bring your own weed mill party tonight
[02:22:53] <pfred1> this box has my sudo all pimped out the way I like it
[02:23:13] <pfred1> no password and I have my ls colors :)
[02:23:37] <pfred1> though i don't get a fortune when I root bash: fortune: command not found
[02:24:03] <pfred1> because games isn't on root's path
[02:24:40] * ReadError ircs as root, so gangsta
[02:25:15] <pfred1> years ago I used to just use a root account for everything and I'd su to a user account to IRC :)
[02:25:18] <ReadError> remember when servers would kick you off if you connected and the ident was root ;)
[02:25:21] <pfred1> it simplified a lot of permissions
[02:25:58] <ReadError> pfred1, you can just change the UID/GID to 0:0 in /etc/passwd
[02:26:04] <ReadError> solves all that ;)
[02:26:16] <djdelorie> or hack identd so it lies
[02:26:21] <ReadError> ya
[02:26:25] <ReadError> oidentd
[02:26:29] <pfred1> well I like the protection of limited permissions
[02:26:32] <ReadError> simple simple
[02:26:57] <pfred1> keeps me from deleting my / filesystem sometimes
[02:27:00] <eric_unterhausen> there are tons of errors on my boot, particularly acpi errors
[02:27:12] <ReadError> do you have it enabled in the bios?
[02:27:27] <eric_unterhausen> maybe
[02:27:45] <pfred1> eric_unterhausen if you go looking for errors there is often a fair chance you'll find them
[02:28:15] <pfred1> whether they're critical or not is another matter
[02:28:52] <ReadError> do dmesg|grep acpi
[02:28:55] <ReadError> see what they are
[02:29:27] <eric_unterhausen> mostly no handler for address
[02:29:38] <ReadError> make sure its enabled in bios
[02:30:06] <eric_unterhausen> I was going to update my bios, but I forgot my windows password
[02:30:16] <eric_unterhausen> cracking utilities didn't work
[02:30:30] <ReadError> lol
[02:30:33] <ReadError> never flash from windows!
[02:30:39] <pfred1> you need a windows password to update your bios?
[02:30:52] <ReadError> you need a usb drive + bootable
[02:31:00] <eric_unterhausen> either that or get dos somewhere
[02:31:00] <pfred1> I thought people used freedos for that?
[02:31:15] <eric_unterhausen> looks like chrome caused a general protection error
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[02:31:46] <pfred1> windows security is an oxymoron
[02:31:57] <ReadError> heh
[02:32:16] <ReadError> pfred1, i run into alot of comprimised linux servers though
[02:32:19] <eric_unterhausen> well, I guess bill gates got tired of the web sites that said you can change your windows password with linux and fixed that
[02:32:26] <ReadError> there was a huge series of plesk exploits that went around a month or so ago
[02:32:32] <ReadError> 2 mo maybe now..
[02:33:09] <pfred1> ReadError I remember when I was trying to learn a little about php I put phpinfo into google it returned me the pages on like a billion servers
[02:33:18] <ReadError> lol yea
[02:33:21] <ReadError> phpinfo.php
[02:33:24] <ReadError> most common name ;p
[02:33:28] <pfred1> that is fixed now
[02:33:41] <pfred1> but I was flabberghasted the day I found it
[02:33:46] <pfred1> I was like wholly!
[02:34:07] <pfred1> I made sure not to leave my file on my machine
[02:34:17] <ReadError> i have no worries about the linux part, its the dang modeling that has me worried ;)
[02:34:23] <ReadError> cant seem to find any good crash course vids
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[02:34:55] <pfred1> I was watching a video about blender but the guy was using an older version
[02:35:09] <Valen> eric_unterhausen: software raid (mdadm) is good
[02:35:37] <eric_unterhausen> I found that it's very fragile
[02:35:41] <pfred1> well I'm out i have some new jersey pizza in the house
[02:35:43] <Valen> fragile how?
[02:35:46] <pfred1> best pizza in the world!
[02:35:55] <Tom_itx> prove it
[02:36:02] <ReadError> i got a pizza oven for my grill
[02:36:06] <ReadError> its pretty awesome :)
[02:36:08] <eric_unterhausen> I tried to make a dual boot and ended up with a trashed file system
[02:36:27] <pfred1> yeah i make OK homemade pizza
[02:36:44] <Tom_itx> the best i've had here was knollas
[02:36:50] <pfred1> but pizza from northern NJ is the stuff
[02:36:56] <eric_unterhausen> sry, filesystem ok, but I couldn't reverse my changes and make it boot
[02:37:00] <pfred1> it is the minerals in the water
[02:37:09] <Tom_itx> or something
[02:37:20] <ReadError> eric_unterhausen, you can use a bootable distro
[02:37:24] <ReadError> and re-run grub
[02:37:29] <eric_unterhausen> I was riding my bike through northern NJ, truck drives past spraying some nasty liquid
[02:37:30] <ReadError> if it wouldnt boot...
[02:37:36] <pfred1> you have to chroot first don't you?
[02:37:46] <eric_unterhausen> caught up to it and it was in a box labled "municipal waste"
[02:38:12] <Valen> thats not raids problem
[02:38:19] <Valen> thats windows messing with stuff at best
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[02:38:27] <eric_unterhausen> I don't know what else to blame it on
[02:38:27] <pfred1> yeah raid boots off one MBR doesn't it?
[02:38:43] <eric_unterhausen> yes, it's not symmetric
[02:38:50] <Valen> installing windows will almost always make a linux system unbootable
[02:38:53] <eric_unterhausen> loads a driver or something
[02:39:02] <ReadError> Valen, until you re-run grub
[02:39:06] <eric_unterhausen> windows was there, I just tried to mess with grub
[02:39:08] <ReadError> that often fixes it
[02:39:13] <Valen> ReadError: if your lucky ;->
[02:39:17] <ReadError> heh
[02:39:20] <pfred1> yeah so you run a live distro mount the drive chroot your /boot then update-grub
[02:39:23] <Valen> you can install grub into the mbr of both drives then you can boot from either
[02:39:24] <ReadError> i always use multiple disk
[02:39:29] <ReadError> id ont like partitioning drives
[02:39:36] <eric_unterhausen> it was multiple drives
[02:39:51] <Valen> pfred1: you need to mount /proc and /sys etc as well
[02:39:53] <eric_unterhausen> I really don't understand what happened, but I'm not doing that anymore
[02:39:59] <pfred1> or is it grub-update?
[02:40:07] <Valen> eric_unterhausen: the simple way is to install windows
[02:40:11] <Valen> then install linux
[02:40:21] <ReadError> or do it the ghetto fab way
[02:40:27] <eric_unterhausen> that was the situation, but the linux didn't see the windows
[02:40:27] <ReadError> f12, select the disk you want to boot ;)
[02:40:46] <Valen> eric_unterhausen: are you using some kind of fakeraid in bios in windows?
[02:40:47] <ReadError> you need to create the grub entry for it
[02:40:51] <eric_unterhausen> watb that used the computer didnt' like to f12
[02:41:11] <ReadError> then hit delete, change it in the bios
[02:41:14] <ReadError> ;p
[02:41:15] <eric_unterhausen> no, it was fedora pulling some nonsense
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[02:41:25] <eric_unterhausen> he usually used linux
[02:41:45] <eric_unterhausen> but was interviewing with people that used windows to do online interviews
[02:41:52] <Valen> I have many many systems using mdadm for raid, its been very reliable to me
[02:42:04] <djdelorie> mine all use mdadm
[02:42:16] <eric_unterhausen> I fail to see the advantage
[02:42:43] <eric_unterhausen> my boss says, "see, it's 10 percent faster"
[02:43:04] <djdelorie> you fail to see the advantage to what?
[02:43:08] <eric_unterhausen> raid
[02:43:27] <eric_unterhausen> unless you are adding redundancy, but I never do that
[02:43:53] <djdelorie> Redundancy. I've lost plenty of drives to "full drive failure"
[02:44:19] <ReadError> also depends on the controller
[02:44:20] <eric_unterhausen> how does raid help that?
[02:44:26] <ReadError> 3ware has a nice setup IMO
[02:44:31] <ReadError> cards are pricey
[02:44:38] <ReadError> but get a BBU, and suweeeeeeeeet
[02:44:39] <djdelorie> but in my case, it's more like 2x faster on my desktop and 5x faster on my server. Not 10%
[02:45:08] <Tom_itx> raid ssd
[02:45:19] <ReadError> i run intel smart response on my windows machine
[02:45:21] <djdelorie> my friend has a raid server that can push over a gigabyte per second to the array
[02:45:23] <ReadError> its pretty gusta ;)
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[02:45:48] <ReadError> uses the SSD as a caching drive
[02:46:40] <eric_unterhausen> if you have the about window open in chrome, you can't use chrome
[02:48:36] <eric_unterhausen> darn, latest stable version installed
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[02:53:16] <eric_unterhausen> well, this might be progress, aptdaemon seems to be causing chrome to crash
[02:57:51] <eric_unterhausen> suggested fix is to update bios
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[03:43:03] <Connor1> Hey Guys, Question on Controllers and Enables. With EMC, you only have 1 Enable, so, Do you tie that to ALL the enables on the drivers ?
[03:44:52] <Tecan> i think trying to laser copper was stupid
[03:51:24] <eric_unterhausen> Conner1 what would multiple enables mean?
[03:51:47] <eric_unterhausen> you split it and send it to all drives
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[04:02:08] <r00t4rd3d> would anyone know if these limit switchs would work okay for cnc ?
[04:02:09] <r00t4rd3d> http://www.ebay.com/itm/5pcs-Laser-Machine-Micro-Limit-Sensor-Auto-Switch-KW11-/120731605185?pt=LH_DefaultDomain_0&hash=item1c1c2a18c1
[04:06:11] <Tecan> just make your own :)
[04:08:00] <r00t4rd3d> I will just buy some
[04:08:17] <r00t4rd3d> i have to many other things to make
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[04:09:44] <r00t4rd3d> my power supply is 15a but those switches are labeled 5a/125v so I am not sure if they would work
[04:12:09] <djdelorie> limit switches only carry a few milliamps
[04:13:11] <djdelorie> my machine uses http://search.digikey.com/us/en/products/MS0850505F045S1A/EG4552-ND/1628289
[04:13:18] <djdelorie> very similar to the ones you link to
[04:15:25] <r00t4rd3d> thanks, I will get those then from digi.
[04:16:06] <ReadError> so amped
[04:16:26] <ReadError> but given how long it has took joe9 to setup im kinda scared ;(
[04:18:46] <djdelorie> ReadError: learn from his lessons: get jogging working *first*, then worry about homing and limits
[04:19:38] <djdelorie> once you get yours setup, the three of us should write a "dummy's guide to limits, homing, and touching off" ;-)
[04:20:33] <ReadError> ;o
[04:23:58] <eric_unterhausen> put a new bios on the machine, hopefully that helps
[04:24:28] <eric_unterhausen> I want to use it for linuxcnc, but if it's crashing due to hw, no go
[04:24:52] <eric_unterhausen> latency is pretty good
[04:25:39] <Tecan> http://www.instructables.com/id/how-to-make-a-homemade-ONOFF-switch/step7/test-it/
[04:25:44] <ReadError> djdelorie: where you at on yours?
[04:26:04] <Valen> we ran for years without homing and limits
[04:26:08] <djdelorie> cnc machine? It's making things: http://www.delorie.com/photos/cnc/bldc-bracket-1.html
[04:26:21] <Valen> actually we still dont have limits
[04:26:33] <eric_unterhausen> no limits
[04:26:40] <Valen> exactly
[04:26:43] <Valen> just like me
[04:26:47] <eric_unterhausen> I just ordered the hw kit for one of these: https://www.inventables.com/technologies/cnc-mill-kits-shapeoko
[04:26:50] * freespace also runs without limit switches
[04:27:10] <Tecan> limit switches are for fags lol
[04:27:21] <djdelorie> I could run mine that way. THe controllers stop moving the motors when they get to the end, but keep tracking "desired" position, they return to spec when the software wants them back over the work area :-)
[04:27:22] * Tecan takes all his switches off j/k
[04:28:18] <eric_unterhausen> I think I probably need limits on my mill
[04:28:51] <djdelorie> we need a mobius mill - if you go off one side, it just shows up on the other side
[04:29:15] <djdelorie> I mean, besides lathes :-)
[04:29:27] <Valen> djdelorie: called polar coordinate system
[04:30:39] <djdelorie> yeah, but we need it on all three axes :-)
[04:30:57] <freespace> i am just too lazy to put in limit switches
[04:31:37] <Jymmm> djdelorie: its called polar, not bi polar or tri polar
[04:31:39] <djdelorie> I am too paranoid to leave them out ;-)
[04:31:52] <djdelorie> I don't think I'd want a bipolar mill anyway
[04:32:05] <Jymmm> djdelorie: operator is enough?
[04:32:10] <freespace> i guess it depends on how much damage a run-away spindle can cause :)
[04:32:15] <djdelorie> yup. NO. yup. NO
[04:32:23] <Jymmm> :)
[04:33:02] -!- mode/#linuxcnc [-o Jymmm] by ChanServ
[04:33:07] <Jymmm> LAG
[04:33:18] <Valen> spindle doesn't run away
[04:33:24] <Valen> the bed runs into the stops and goes bang
[04:33:38] <Valen> we never hit the stops hard really
[04:33:53] <Valen> made an unplesant noise and blew the fuse in the motor line
[04:33:56] <Jymmm> Valen: HA you havent tried hard enough!
[04:34:07] <Valen> Jymmm: i tried hard not to ;-P
[04:34:14] <Jymmm> wuss
[04:34:23] <djdelorie> Valen: I watched my test rig bend some all-thread until it was bowed out about 4 inches at the center before I could pull the power supply.
[04:34:26] <Jymmm> Valen: self mutilitaing mill!
[04:34:45] <Jymmm> djdelorie: BRB!!!
[04:35:12] <Valen> What I'd like to see is a kinect or something hooked up to EMC, have it scan the work area, compare the G-Code and say IDIOT THE CLEARANCE PASS GOES THROUGH THE DAMN VICE AT 6 METERS A MINUTE
[04:35:29] <Valen> we use inch dia ballscrews in ours
[04:35:48] <ReadError> djdelorie
[04:35:49] <Jymmm> Valen: And now you know why skynet will exist.
[04:35:53] <ReadError> what mill/controllers you got?
[04:36:02] <djdelorie> I made my own
[04:36:08] <ReadError> own mill???
[04:36:18] <djdelorie> own mill, own controllers, own firmware.
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[04:36:35] <djdelorie> http://www.delorie.com/photos/cnc/ http://www.delorie.com/electronics/bldc/
[04:36:37] <Jymmm> mined the ore
[04:37:35] <Valen> got it running with emc?
[04:37:57] <djdelorie> yup
[04:38:13] <Valen> CAN > EMC huh
[04:38:25] <djdelorie> nope, they emulate steppers on the "stepdir" connectors
[04:38:31] <Valen> ahh
[04:38:37] <Valen> wuss!
[04:38:43] <Valen> should run them as servos ;->
[04:38:55] <djdelorie> I put can on because it was trivial, and I figured I could chain them together and make a status panel or something
[04:39:05] <r00t4rd3d> "own controllers" is kinda pushing it
[04:39:26] <djdelorie> had the surplus motors and nothing else, kinda had to DIY them ;-)
[04:40:05] <Valen> what cad package did you use?
[04:40:16] <djdelorie> for the boards? gEDA
[04:40:22] <Valen> hardcore ;->
[04:40:34] <Valen> <- kicad
[04:40:47] <djdelorie> nah, gEDA works great once you get past the newbie learning curves
[04:41:00] <Valen> hows the parts libs?
[04:41:26] <djdelorie> if you stick with the jedec parts, pretty good. Most of my parts ending up being DIY anyway, but it's easy enough to add more parts as needed.
[04:41:49] <freespace> i found that the most painful thing about using gEDA
[04:41:52] <djdelorie> jedec = stuff like DIPs, 0603s, TQFP, etc - standard footprints
[04:42:14] <djdelorie> there's a bunch of online and offline symbol/footprint generators now, automates the whole thing
[04:42:26] <djdelorie> unless you have something weird, then you just have to edit it in the gui manually
[04:42:32] <freespace> that would help enormously
[04:42:51] <Valen> I don't know what it is i hate making parts lol
[04:42:57] <Valen> anyway i'm gonna go plaster a wall
[04:43:08] <djdelorie> example: http://www.gedasymbols.org/user/dj_delorie/tools/dilpad.html
[04:43:09] <freespace> been trying out fritzing, and seeing if i can recommedn it to the uni as something to introduce to first year EEs
[04:43:31] <djdelorie> or: http://www.gedasymbols.org/user/dj_delorie/tools/djboxsym.html
[04:43:44] <Valen> djdelorie: whats the RRP on one of your drivers ?;->
[04:43:44] <r00t4rd3d> elementary electronics?
[04:43:50] <r00t4rd3d> :)
[04:43:51] <djdelorie> I did a gEDA lab at the last DevCon, everyone picked it up pretty quickly.
[04:43:52] <djdelorie> RRP ?
[04:44:01] <Valen> reccomended retail price
[04:44:03] <freespace> recommended retail price
[04:44:08] <freespace> damn, too slow
[04:44:10] <freespace> :P
[04:44:19] <djdelorie> no idea, I can only tell you what I paid for parts and pcbs
[04:44:22] <r00t4rd3d> Anyone use a TB6560 controller?
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[04:44:35] <Valen> well what did that run to then? ;->
[04:45:21] <djdelorie> about $100 per board, I think
[04:45:32] <Valen> 's not too bad
[04:45:39] <Valen> what "power level" are they lol
[04:45:42] <djdelorie> plus a year of development, and all the firmware, etc...
[04:45:49] <Valen> all the boring stuff
[04:45:53] <djdelorie> In theory, they can drive a 7 HP motor - 450 V at 15 A
[04:46:04] <Valen> ahh, high volts
[04:46:09] <djdelorie> but the pcb spacing is spec'd for 350 so I wouldn't go past that
[04:46:17] <Valen> why does everybody do that, just because its easier *sigh*
[04:46:33] <djdelorie> high volts == low amps, easier wiring
[04:46:43] <Valen> harder to find cheap motors though
[04:46:45] <eric_unterhausen> high power with low volts means a lot of copper
[04:47:01] <djdelorie> I have a 2 amp supply running three motors
[04:47:25] <djdelorie> and I *still* have to do software current limiting
[04:48:11] <djdelorie> (to keep the motors from using more current than the spec says to give them)
[04:48:27] <Valen> do they have a "max" spec?
[04:49:09] <r00t4rd3d> i was told to add the amps of your motors and add 2 so like 3x3Amp motors would need a 11a supply. Is that right?
[04:49:23] <Valen> for steppers
[04:49:42] <Valen> servo style motors can pull way more current than is on the nameplate for short periods
[04:50:27] <djdelorie> they have a max continuous (2.5 A for mine) and a max "for ten seconds" spec (7.5 A for mine)
[04:51:00] <Valen> djdelorie: you can probably go to 12A or so for shorter periods again
[04:51:06] <djdelorie> Valen: but servos do not need to pull max current when they're stopped, or moving slowly.
[04:51:19] <Valen> djdelorie: this much i know ;->
[04:51:23] * Valen has a servo machine
[04:51:30] <djdelorie> Valen: I let it do 8 amps for a fraction of a second, then limit to 2.5. It seems to have PLENTY of torque for my application
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[04:51:52] <Valen> the "current limit" thing is more about temperature
[04:52:06] <djdelorie> the power supply is 2 amps continuous, but has lots of capacitors to handle the bursts
[04:52:14] <djdelorie> and to absorb the braking current
[04:52:33] <Valen> the "best" method is to monitor the temp of the motor for long term feedback, and limit the short term stuff with a model of the heat created inside the motor
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[04:53:16] <djdelorie> If I were to do something like that, I'm more likely to monitor the temperature of my driver chip
[04:53:35] <Valen> seperate issue
[04:53:41] <Valen> driver chip will cool off quickly
[04:53:44] <Valen> motors less so
[04:53:55] <djdelorie> yeah, but my power supply is already "too small" for the three motors, despite the machine working just fine
[04:54:22] <eric_unterhausen> which power chip did you use?
[04:54:23] <Valen> so pushing the motor + driver combo hard for a while then stopping for 10 secs and punching it again the driver chip has plenty of thermal room, the motor less so
[04:54:29] <djdelorie> I *can* monitor the power supply voltage, though, and limit current if the voltage starts dropping.
[04:54:30] <r00t4rd3d> looks like your motors came out of a washing machine
[04:54:34] <Valen> djdelorie: everything is a compromise
[04:54:38] <djdelorie> FNB41560
[04:54:43] <Valen> lower current limit = lower acceleration
[04:54:51] <Valen> if your happy with that then thats fine
[04:54:56] <djdelorie> Valen: yup. This machine was "get something working, make a better one later"
[04:55:17] <r00t4rd3d> i bought this power supply today:
[04:55:18] <r00t4rd3d> http://www.ebay.com/itm/120674032390?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
[04:55:27] <djdelorie> and the acceleration is already more than my plywood machine can handle anyway :-)
[04:55:36] <Valen> hah plywood!
[04:55:37] <Valen> ;-P
[04:55:49] <djdelorie> see the photos URL I posted above ;-)
[04:56:14] <Valen> r00t4rd3d: we have a pair of 12v ones of those running our mill
[04:56:22] <Valen> after ~2 years one of them is starting to die
[04:56:29] <djdelorie> r00t4rd3d: you can see my two power supplies here: http://www.delorie.com/photos/cnc/img_2519.html
[04:56:55] <r00t4rd3d> valen the power supply your talking about?
[04:57:04] <Valen> yes
[04:57:06] <djdelorie> the switcher runs the logic and gate drives, the monster linear runs the motors
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[04:57:56] <r00t4rd3d> I have a giant pile of parts
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[05:01:26] <r00t4rd3d> im not even sure on my design yet
[05:03:47] <r00t4rd3d> http://alansmachineworks.com/images/CNC_Router/CNCRouter2x3MDF%28c%29.JPG
[05:03:53] <r00t4rd3d> http://wardscorner.net/images/CNC/rockcliff02.jpg
[05:04:46] <r00t4rd3d> now tell me something, the top image and the gantry I think its called moves back and forth and in the second pic the table moves back and forth. Whats better?
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[05:07:15] <djdelorie> "gantry moves" is more complex, but takes up less space for the same size work area
[05:07:32] <djdelorie> imagine trying to move a sheet of plywood back and forth...
[05:08:37] <djdelorie> but for pcb mill/drill, a moving table might be more precise since the gantry is fixed
[05:13:50] <r00t4rd3d> http://www.cnccookbook.com/img/OthersProjects/Machines/KTCNCFinal024.jpg
[05:13:58] <r00t4rd3d> wish I could just afford that
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[05:15:15] <r00t4rd3d> the guy makes water cooling for his video cards with it lol
[05:15:15] <djdelorie> if wishes were wings, frogs wouldn't bump their asses on the ground when they hopped
[05:15:20] <r00t4rd3d> http://www.cnccookbook.com/img/OthersProjects/Machines/DevilWC1.jpg
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[05:15:30] <r00t4rd3d> http://www.cnccookbook.com/img/OthersProjects/Machines/DevilWC2.jpg
[05:17:12] <r00t4rd3d> Water cooling scares me. One wrong dip and its all over.
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[05:35:15] <Tecan> wife's scare me
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[05:36:04] <r00t4rd3d> are you gay?
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[05:41:07] <Jymmm> r00t4rd3d: Why, are you asking him for a date?
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[05:58:16] <r00t4rd3d> I was trying to set you up.
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[06:50:16] <DJ9DJ> moin
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[07:19:33] <Loetmichel> mornin'
[07:19:50] <DanteTDI> hi Loetmichel
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[10:50:39] <jthornton> archivist, www.mysidewheeler.com/boiler.htm
[11:03:14] <archivist> bah "thread-o-lets" threaded bush !
[11:09:59] <archivist> a far more serious boiler
[11:11:02] <jthornton> what do you think of the design of that one?
[11:16:28] <archivist> design looks ok, regulations may vary on available internal inspection, lower large threaded bush may be his http://www.mysidewheeler.com/1942%20finish.JPG
[11:17:17] <archivist> in the uk we often have taper plugs screwed in at washout and inspection
[11:18:59] <archivist> see bottom corner and middle http://www.middleton-leawood.org.uk/leawood/images/boilerhouse/photo1.html
[11:19:36] <archivist> also on larger ones a man hole of some sort
[11:19:36] <jthornton> the two pipe plugs
[11:20:00] <archivist> yes but there are a lot more than two
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[11:21:58] <archivist> each boiler type needs different ways to inspect probable wear points
[11:22:38] <archivist> US boiler code lags behind UK as far as I know
[11:25:24] <archivist> this was a prime example http://www.nytimes.com/2001/07/30/us/steam-engine-blast-at-ohio-fairgrounds-leaves-4-men-dead.html
[11:25:44] <archivist> just not possible in the UK
[11:28:02] <jthornton> what wears out in the boiler?
[11:28:02] <archivist> http://steamtraction.farmcollector.com/steam-engines/final-report-tragedy-medina-county-fairgrounds.aspx
[11:28:26] <archivist> read that second link, will give some clues
[11:29:56] <archivist> erosion not just corrosion where there are the right conditions
[11:29:57] <jthornton> ok
[11:34:18] <archivist> over here mobile boilers (traction engines and rail locomotives) get stripped every 7 years iirc, static boilers are 10year but often people do 7 to keep safe
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[11:35:37] <jthornton> that one just sounds like the old guy was not too smart but smart enough to blow up his boiler
[11:36:14] <archivist> that and the lack of inspection allowed it to get that bad
[11:36:57] <archivist> we cannot get insurance for public display without the proper inspection
[11:40:50] <jthornton> does this link work for you http://www.pmresearchinc.com/
[11:41:40] <jthornton> I might talk my buddy Ray into scaling down his quest for a steam engine to a model sized one
[11:44:06] <Jymmm> ridable model?
[11:44:45] <jthornton> he wants to build a steam powered boat...
[11:45:34] <Jymmm> at least its not a luxury liner
[11:48:34] <archivist> ! go for a launch engine moooore fun
[11:49:04] <archivist> stupid site that one has to "enter" http://www.pmresearchinc.com/store/home.php?cat=3
[11:49:14] <jthornton> http://www.pmresearchinc.com/store/product.php?productid=3093&cat=4&page=1
[11:52:51] <archivist> build that as well
[11:53:27] <archivist> I should finish the models I have started :)
[11:53:50] <archivist> I need to go shopping else no lunch
[11:53:55] <jthornton> the model looks like a good first steam project
[11:54:01] <jthornton> ok thanks
[11:59:04] <Tecan> mornin
[12:00:26] <jthornton> that it is
[12:01:07] <jthornton> and a lovely one at that
[12:02:09] <archivist> with your machine tools it wont take long :)
[12:05:00] <Jymmm> I think a steam powered cannon mover would be a better choice
[12:05:18] <jthornton> a steam powered tugger
[12:05:31] <Loetmichel> soo, modified a existing heatsink ( http://www.cyrom.org/palbum/main.php?g2_itemId=11573 ) to fit the L297/L298 board and crossover airflow... -> http://www.cyrom.org/palbum/main.php?g2_itemId=13077
[12:06:25] <Loetmichel> ... i will mount the complete electronics before doing the x and z axis because its sowed away INSIDE the Mill Bottom plate.
[12:06:31] <Jymmm> Is there such a thing as an alcohol engine?
[12:07:14] <Jymmm> burns 100% alcohol?
[12:08:29] <jthornton> internal combustion engine?
[12:08:55] <Loetmichel> Jymmm: ANY benzine engine can trun with Alcohol
[12:10:53] <Jymmm> I thought I heard once that there's something a bit different than a typical internal combustion engine
[12:11:30] <jthornton> well you need bigger jets on the carb to run alcohol
[12:12:10] <Jymmm> why bigger?
[12:12:15] <TekniQue> there are fuel cells that burn alcohol too
[12:12:54] <Jymmm> TekniQue: Actually "burn" alcohol, or "use" alcohol?
[12:13:14] <jthornton> because alcohol burns at a different mixture with air than gas
[12:14:12] <Jymmm> jthornton: I thought it would burner leaner? So would need smaller jets
[12:14:18] <jthornton> that's why you get less miles to the gallon burning E85
[12:14:22] <Jymmm> s//burner/burn/
[12:14:56] <jthornton> nope bigger jets are fitted for alcohol
[12:15:30] <Jymmm> and for propane?
[12:15:45] <Jymmm> or NG
[12:17:08] <jthornton> each one is a bit different, I forget if propane or NG has more energy per unit
[12:17:56] <Jymmm> k. I've just seen a kit that can turn my gasoline generator into tri-fuel... Gas/LPG/NG
[12:18:17] <jthornton> when I installed my central air I had to put a propane conversion kit (a different orifice size jet) in the gas heater
[12:19:03] <TekniQue> Jymmm: I'm not sure about the exact chemistry of those cells
[12:19:13] <Jymmm> TekniQue: np, thanks =)
[12:19:29] <TekniQue> but you need bigger jets for alcohol in an internal combustion engine
[12:19:44] <TekniQue> the reason is that alcohol contains less energy per gram than petrol
[12:20:06] <Jymmm> really? I would have thought more.
[12:20:07] <TekniQue> and has a lower specific oxygen requirement
[12:20:09] <TekniQue> nope
[12:20:14] <TekniQue> much less
[12:20:41] <Loetmichel> propane has 20% less energy per liter than 95ROZ
[12:20:44] <Loetmichel> 30%
[12:20:54] <Loetmichel> alcohol ~20% iirc
[12:21:02] <TekniQue> it's about 30% for ethanol
[12:21:06] <TekniQue> 50% for methanol
[12:21:22] <Jymmm> But alcohol burns so damn hot!
[12:21:30] <Loetmichel> TekniQue: per liter or per gramm?
[12:21:41] <Loetmichel> Jymmm: that depends on mixture
[12:22:16] <Loetmichel> with alcohol you want to be a bit on the fat side otherwise there will be a hole in the Aluminium piston ;-)
[12:22:27] <Jymmm> I can boil 8oz of water 3x faster using alcohol than I can using a petrolium product
[12:22:43] <TekniQue> Loetmichel: per volume
[12:23:18] <Loetmichel> TekniQue: my Opel Astra has run with E85 with about 20% less MPG than with 95/98ROZ
[12:23:35] <TekniQue> yeah, E85 is still 15% petrol
[12:23:47] <Loetmichel> i know
[12:24:04] <TekniQue> I have no experience with alcohol in street driven cars though
[12:24:12] <TekniQue> only used it on racing cars
[12:24:12] <Loetmichel> but that would only account for 5% or so of the mog
[12:24:14] <Loetmichel> mpg
[12:24:26] <TekniQue> and it needs such a big fat load of it
[12:25:04] <Loetmichel> and someone stated that the astra SOULDNT be run full load for longer periods of time because the fuel burns hotter if you dont modify the jets
[12:25:12] <Jymmm> Does alcohol fubar an engines overall life?
[12:25:16] <Loetmichel> and one can ruin the engine this way
[12:25:19] <TekniQue> Loetmichel: yes
[12:25:35] <Loetmichel> Jymmm: no, if you are careful not to floor it permanently not
[12:25:58] <TekniQue> Jymmm: it has some properties that are not ideal for engine life
[12:25:59] <Loetmichel> the opposite is true: alcohol burns cleaner AND is a better solvent,
[12:26:04] <TekniQue> others that are good
[12:26:16] <TekniQue> it burns very clean so it doesn't leave much deposits in the engine
[12:26:16] <Loetmichel> the jets and fuel lines were clean as new as i scrapped the astra
[12:26:26] <TekniQue> pistons stay shiny et al
[12:26:27] <Jymmm> Loetmichel: so a lower duty cycle is prefered when using alcohol?
[12:26:48] <TekniQue> but the alcohol has worse evaporative properties
[12:27:04] <Loetmichel> (cause i had hit a wild hog @ 50mph)
[12:27:08] <TekniQue> and the engine needs to burn much more of it
[12:27:20] <TekniQue> which hurts the lubrication of the cylinder walls
[12:27:24] <TekniQue> especially when the engine is cold
[12:28:02] <Loetmichel> another problem with E85 in an unmodified engine: starting properties tend to go wores, especially in winter ;-)
[12:28:06] <Loetmichel> worse
[12:28:23] <TekniQue> yes, because the alcohol is not evaporating well
[12:28:30] <Jymmm> Heh, alcohol dont like cold
[12:28:47] <Jymmm> 40F and it whines
[12:29:01] <TekniQue> on the dragsters, it's not unusal to squirt some petrol down the air inlet before starting
[12:29:20] <Loetmichel> hmmm
[12:29:20] <TekniQue> when running 100% methanol
[12:29:22] <Jymmm> TekniQue: No problem, just take a torch to heat up the alcohol
[12:29:36] <TekniQue> I've not had problems starting on 100% ethanol
[12:29:48] <Loetmichel> petrol is 95/98ROZ benzine in english?
[12:29:53] <TekniQue> but I've never tried to below 15C
[12:29:56] <Jymmm> TekniQue: how cold does it get in the winter?
[12:29:57] <TekniQue> Loetmichel: yes
[12:30:01] <Loetmichel> wahts "petroleum" (Jet-a1) then?
[12:30:07] <TekniQue> Loetmichel: kerosene
[12:30:17] <TekniQue> jet a1 = kerosene in english
[12:30:28] <Loetmichel> sorry, meant the stuff in the lamps, not the jet fuel
[12:30:33] <TekniQue> it's the same stuff
[12:30:45] <Loetmichel> (even its more or less the same stuff) ;-)
[12:30:59] <TekniQue> lamp fuel and jet fuel from my local petroleum company is the exact same stuff
[12:31:06] <Loetmichel> i know
[12:31:53] <Loetmichel> whats the german "super" (98/100ROz) called in english?
[12:31:55] <Loetmichel> premium?
[12:32:09] <TekniQue> depends on the marketing department I suppose
[12:32:16] <TekniQue> premium is common
[12:32:21] <TekniQue> or super
[12:32:22] <Jymmm> Loetmichel: racing fuel?
[12:32:37] <Loetmichel> Jymmm: no, normal fuel in germany
[12:32:51] <Loetmichel> 95ROZ isnt aviable over here any more
[12:32:52] <TekniQue> Jymmm: no racing fuel is the stuff that comes in drums, smells like roses and costs 4 euros/litre
[12:33:33] <Jymmm> Loetmichel: There's one gas station here that does sell 112 octane racing fuel at $8/gallon, compared to $4/gallon for 85 octane
[12:33:36] <Loetmichel> just 98ROZ ("super"), 100++ROZ ("super plus") and E10.
[12:33:52] <TekniQue> Loetmichel: really?
[12:33:52] <Jymmm> WOOHOO!!!
[12:33:56] <Loetmichel> And diesel of course (and "super diesel")
[12:33:59] <TekniQue> I thought it was the other way around
[12:34:02] <Loetmichel> TekniQue: really
[12:34:12] <Jymmm> FINALLY a useful purpose for tofu! http://www.jsonline.com/business/29419454.html
[12:34:12] <TekniQue> I've had trouble finding 98 in europe
[12:34:17] <TekniQue> in some parts at least
[12:34:20] <TekniQue> only 95
[12:34:47] <Jymmm> 83/87/92 is common in US
[12:34:57] <TekniQue> Jymmm: yes but the scales are different
[12:35:07] <TekniQue> the euro companies advertise the RON number
[12:35:20] <Jymmm> k
[12:35:22] <TekniQue> the american companies advertise the (RON+MON)/2
[12:35:47] <TekniQue> 95RON by german standards at least is 91 octane by the american standard
[12:35:53] <TekniQue> and 98 = 93
[12:36:09] <TekniQue> I think the american system is a bit strange
[12:36:28] <TekniQue> it's absolutely stupid that you have pumps that sell 5 different grades of gasoline
[12:36:38] <Loetmichel> ... and on some gas stations you will find LPG and/or E85
[12:36:39] <TekniQue> 83, 87, 89, 91, 93
[12:36:44] <TekniQue> but no diesel
[12:36:53] <Loetmichel> ... btw: what is a gallon in liters?
[12:37:01] <Jymmm> 4
[12:37:03] <Jymmm> roughy
[12:37:05] <TekniQue> * 3.7854118
[12:37:05] <TekniQue> / 0.26417205
[12:37:07] <Loetmichel> $8/gallon sounds cheap to me
[12:37:24] <Loetmichel> ouch, you dont want to have our prices
[12:37:40] <Jymmm> nope
[12:37:52] <Loetmichel> E10 is 1.680Eur /LITER at the moment
[12:38:32] <Jymmm> TekniQue: Not every places sells LPG either
[12:38:56] <Loetmichel> and diesel is 1.60Eur /l atm
[12:38:58] <archivist> that is not a real gallon Jymmm its a short changed usa sized one
[12:39:08] <Loetmichel> aehm, 150Eur/l
[12:39:18] <Loetmichel> grrr
[12:39:19] <Jymmm> Now a days, it's retail stores that offer full tank exchange instead.
[12:39:23] <Loetmichel> 1.50Eur
[12:39:24] <TekniQue> true, the brits have a bigger gallon
[12:40:05] <Jymmm> and by "Full" they mean 75% full in fine print.
[12:40:12] <TekniQue> * 4.5460993
[12:40:12] <TekniQue> / 0.2199688
[12:40:15] <Loetmichel> just have filled my car um a few weeks ago...
[12:40:15] <Jymmm> big lawsuit
[12:40:18] <TekniQue> this is british gallon
[12:40:31] <Loetmichel> http://www.spritmonitor.de/de/detailansicht/442560.html
[12:40:44] <Loetmichel> any questions on diesel prices in germany?
[12:46:10] <jthornton> archivist, http://john-tom.com/html/ElmersEngines.html
[12:48:57] * Loetmichel would like to build a micro turbine for ethanol... and a make a 100W genset from it ;-)
[12:49:12] <Loetmichel> but my machines are no good for cutting iconel
[12:49:42] <Jymmm> Why NiChrome?
[12:49:49] <Jymmm> rust?
[12:51:09] <Loetmichel> temperature
[12:51:13] <Jymmm> ah
[12:52:27] <Loetmichel> the "hot" side of a turbine disk is just below yellow hot... not good for normal steel ;-)
[12:53:02] <Loetmichel> and (depending on size) 60kRPM to 300kRPM (!) fast ;-)
[12:53:10] <TekniQue> yeah you need something like inconel at temperatures like that
[12:55:12] <Loetmichel> the compressor side can be made from aluminium
[12:56:09] <Tecan> it puts the lotion on its elbows
[12:58:32] <Spida> Loetmichel: http://www.gtba.co.uk/
[13:01:17] <Loetmichel> Spida: way to big
[13:01:36] <Loetmichel> i need about 100.. 200 Watts shaft power
[13:01:53] <Loetmichel> and maximum 300 grams for the whole engine, tank and generator ;-)
[13:02:19] <Loetmichel> should power a quadcopter "on the fly" ;-)
[13:05:39] <mazafaka1> wheels, winch or diff lockers, in which order to buy?
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[13:26:55] <WillenCMD> Good morning!
[13:29:08] <archivist> jthornton, you should have one of those little ones made in a day...or six...or more with cnc programming :)
[13:30:14] <WillenCMD> http://www.wemotec.net/products/controller-modules/WT-SC25-Servocontroller.html does anybody know anything about this?
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[13:32:47] * archivist never seen it before and hates "price on request", analog/pwm input should be compatible
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[13:34:20] <JT-Shop> archivist: it will take longer than that to program it LOL
[13:35:00] <archivist> was "estimate" :)
[13:35:18] <archivist> not counting beer and nap time
[13:36:03] <WillenCMD> Price on request is how everything works, i can't stand it
[13:36:23] <WillenCMD> you inquire about more info and price, they email you back with more info and no price
[13:36:24] <JT-Shop> yea, you gotta take beer/wine and naps into account
[13:36:50] <WillenCMD> then you ask for a price, they email back with qty and still NO PRICE
[13:37:24] <archivist> email back no price-NO SALE
[13:37:42] <WillenCMD> finally after about 10 emails, you can get a price. Come to find out its way out of budget and i wasted my time
[13:38:26] <WillenCMD> just an example of everyday business, in the world of automation
[13:44:26] <Loetmichel> WillenCMD: i've seen that also
[13:45:46] <Loetmichel> only approbiate reaction: tell the dealer that you bought a competitor product for him not telling you how cheap/expensive his is.
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[13:48:10] <WillenCMD> ya thats basically what i do
[13:48:53] <Loetmichel> <- upgrade to linxCNC2.5... lets see if the Machine is operational afterwards ;-)
[13:49:04] <Loetmichel> s/ upgrade / upgrading
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[14:13:27] <Spida> Loetmichel: what kind of quadcopter do you want to power? for how long?
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[14:21:53] <DJ9DJ> hi syyl
[14:23:03] <archivist> nice engineers level in uk fleabay 160783333214 /me has one and its larger brother
[14:32:01] <WillenCMD> can anyone give me a good starting point for designing a custom screen?
[14:32:09] <WillenCMD> should i just modify one of the available ones
[14:35:49] <Loetmichel> Spida: as long as it goes
[14:36:01] <Loetmichel> and a small one with 1kg TOW
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[14:52:46] <Spida> Loetmichel: 200W (electric) will barely be enough for a 1kg copter
[14:53:04] <Loetmichel> Spida: wrong
[14:53:21] <Loetmichel> will be the double of the "hovering power"
[14:54:15] <Spida> Loetmichel: ok, assuming 200W (eletric) is enough, you will need more than 200W on the shaft to generate 200W electric
[14:54:33] <Loetmichel> power peaks up to the 1200W the motors can draw max will be provided by a slamm lifepo battery
[14:54:33] <Spida> Loetmichel: you will not find a generator with 100% efficiency and zero weight *g*
[14:54:50] <Loetmichel> hovering power is ~100W
[14:55:41] <Spida> Loetmichel: so you want to carry a fuel tank, a turbine, a generator, and a battery that can deliver peak-currents, and some charging-logic for the battery?
[14:56:00] <Loetmichel> Spida: a brushless outrunner motor with ~300W will have a efficiency of about 80% with fast rectivier diodes
[14:56:12] <Loetmichel> right
[14:57:45] <Loetmichel> already tested thar
[14:57:47] <Loetmichel> that
[14:57:51] <Spida> Loetmichel: assuming you know the energy/weight for a battery and for your fuel of choice, you can calculate how much your turbine/generator/battery set may weight for a given amount of total stored energy. did you make this calculation?
[14:58:24] <Loetmichel> no, why should i?
[14:58:41] <Loetmichel> that will be "calculated" experimentally
[14:59:05] <Loetmichel> i dont know the efficiency of a selfbuild turbine so i cant calculate it beforehand
[14:59:51] <Loetmichel> amd for the charging circuit: that is just a modified esc
[15:00:57] <Loetmichel> with 6 fast recovery diodes reverse over the fets (bodydiodes are to slow) and a software which can measure the DC voltage and can output a signal to choke the turbine/engine
[15:01:27] <Loetmichel> BTDT but with a 6,5 ccm glow engine and a 12V lead acid battery
[15:01:50] <Loetmichel> as a byproduct the brushless can be used as a starter for the engine/turbine
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[15:06:27] <Loetmichel> btw: i am amazed: upgraded to 2.5... loaded the old config in stepconf, executed it, startet linuxcnc: tuns like never was an older version in the machine ;.)
[15:24:20] <ReadError> mister joe9
[15:24:22] <ReadError> you around?
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[17:34:10] <alex4nder> I like kant-twist
[17:34:26] <alex4nder> what's the first thing you're going to make?
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[17:35:01] <ReadError> oh nice, they have one on my way home and they are open til 9!
[17:35:02] <Tom_itx> chips
[17:35:10] <ReadError> alex4nder: some motor mounts probably
[17:35:21] <ReadError> basically a piece of aluminum with some holes
[17:35:32] <alex4nder> for a car?
[17:35:53] <ReadError> nah
[17:35:57] <ReadError> small electric motors
[17:36:00] <alex4nder> ah
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[17:36:22] <alex4nder> if I were you'd I'd think about how you're going to mill those, then think about how to fixture them, then buy the tools required to fixture them
[17:36:25] <alex4nder> then .. profit.
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[17:36:34] <ReadError> http://a248.e.akamai.net/origin-cdn.volusion.com/lctho.wfrjz/v/vspfiles/photos/MTRMOUNT-01-2.jpg?1316040753
[17:36:38] <ReadError> something like that
[17:36:47] <alex4nder> ah
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[17:36:57] <ReadError> 2.5d basically
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[17:36:58] <alex4nder> that looks like less than 1/4" thick
[17:37:00] <alex4nder> right?
[17:37:06] <ReadError> oh for sure
[17:37:19] <alex4nder> you don't need anything, you can do that using what comes with the mill
[17:38:29] <alex4nder> they're sending you the collets, vise, and the small endmills right?
[17:38:38] <alex4nder> as part of the starter package
[17:39:29] <ReadError> yea basic CR package
[17:40:30] <alex4nder> yah, I think you could mill that without needing anything special
[17:40:34] <alex4nder> although a machinist square would be nice
[17:41:36] <ReadError> yea
[17:41:45] <ReadError> gonna order one from amazon today
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[17:43:43] <ReadError> and i need some lube too
[17:44:05] <alex4nder> eh, it comes good to go
[17:44:30] <alex4nder> unlike the chinese mills
[17:44:53] <awallin> ReadError: what mill did you get?
[17:44:59] <ReadError> taig 2019cr
[17:50:18] <WillenCMD1> does anyone know where to start when it comes to developing a custom screen? should i just edit one thats made... or start from scratch
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[17:56:31] <archivist> WillenCMD1, we dont know why you want to, what languages you can program....looking at gui's that are already written will start you off
[18:00:13] <awallin> WillenCMD1: pyvcp or gladevcp should have examples in the manuals... if you just want some add-ons to e.g. AXIS
[18:02:05] <psha> WillenCMD1: try extending axis/touchy with panels fist
[18:02:06] <psha> first
[18:03:03] <mozmck> anyone here tried lxde for a desktop?
[18:05:06] <skunkKandT> how come you always ruin the part when trying to silver solder.. or is that just me?
[18:05:15] <skunkKandT> *first part
[18:05:34] <cradek> mozmck: I recently tried whatever xubuntu-desktop in precise gives you
[18:05:47] <cradek> after some adjusting of preferences it's perfectly fine IMO
[18:06:37] <skunkKandT> I guess it just takes 1 try to know what not to do...
[18:06:49] <mozmck> cradek: that's xfce. I think it pretty good as well. I'm playing with lxde right now (you can get it with lubuntu-desktop). Some features are nicer than xfce or gnome2 even.
[18:07:28] <cradek> my only complaint was that I never found make-capslock-another-ctrl
[18:07:40] <mozmck> for instance, when you show hidden files in the file manager, it shows them in the main window but *not* in the tree (it's about time someone did this IMO!)
[18:08:31] <mozmck> I miss the tabs in xfce-terminal, and it also doesn't have an option to kill the default menu key (F10). LXterminal has both.
[18:08:44] <mozmck> I haven't used that so I don't know about it.
[18:08:51] <cradek> interesting
[18:09:06] <cradek> I don't use any file manager stuff, so can't compare their worths
[18:09:17] <cradek> also I never use terminal tabs, prefering to use screen in those cases
[18:09:20] <mozmck> LXDE is faster as well.
[18:09:24] <mozmck> screen?
[18:09:34] <cradek> screen!
[18:09:45] <cradek> aka "gnu screen"
[18:09:49] <archivist> skunkKandT, careful placement before you heat and stuff around propping bits likely to fall/bend/whatever
[18:09:55] <mozmck> The file manager also has tabs which the xfce file manager is missing. I use those a lot.
[18:10:07] <mozmck> haven't used gnu screen...
[18:10:44] <cradek> I use it all day every day :-)
[18:11:04] <mozmck> I guess it uses hotkeys to switch between virtual terminals?
[18:11:22] <cradek> yes, and scrollback and copy/paste and persistence when you disconnect
[18:11:46] <cradek> I can't imagine life without it
[18:12:02] <skunkKandT> archivist: This was mainly a - silver didn't wick the way we thought it would..
[18:13:00] <mozmck> Basically the same as tabs I guess. I hit Alt+(tab number) to switch tabs. Each one is the same as having multiple terminal windows open.
[18:13:41] <cradek> but can you disconnect, leaving all the "tabs" going, and later pull them up from another terminal somewhere? or your phone? that's what's awesome about screen.
[18:13:42] <mozmck> try LXDE - you'll probably like it. You can install it with the afore-mentioned package - and it was only about 50 or 60 meg download.
[18:14:16] <mozmck> Nope! but I haven't had to do that yet. I'll have to look at it.
[18:14:16] <cradek> my irc client is inside screen
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[18:32:40] <Tecan> is there a way to scale something once in axis ?
[18:33:21] <cradek> do you mean scale the gcode? no
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[18:38:53] <JT-Shop> interestingly my old Anilam control can scale, rotate and a few other tricks, but is it a PIA to use the OI
[18:39:15] * JT-Shop goes back to making a pair of understraps
[18:39:54] <archivist> methinks gcode prompts for values would be a valid thing
[18:40:26] <JT-Shop> ngcgui does that for me
[18:40:27] <joe9> i tried screen but felt it was slower.
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[18:40:48] <joe9> there seemed a latency between pressing the key on the keyboard and it showing up on the terminal
[18:40:53] <archivist> but just as easy to design scaling into the gcode prog and edit it
[18:43:42] <JT-Shop> yea like some of the sample code does
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[18:50:27] <archivist> my gear progs have a set of variables like no of teeth length of cut etc
[18:55:00] <strykerg> psha you there?
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[18:58:07] <strykerg> anyone with some experience on hooking up webcams with camunits ?
[18:59:07] <JT-Shop> archivist: you should be able to make the worlds smallest steam engine with your tools :-)
[18:59:47] <archivist> JT-Shop, I think some nuts have already been there done that
[19:01:44] <archivist> JT-Shop, think of the ink jet in your printer that pumps out a pico litre ish
[19:02:28] <djdelorie> Tecan: you could change your gearing ratios in the .ini, to make it *think* it's doing the original size...
[19:03:17] <cradek> you'll mess up your velocities and accelerations
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[19:08:14] <joe9> is there something I can take from an old dot matrix printer that can help me with cnc stuff?
[19:10:34] <ReadError> joe9: cut anything yet or still trying to get the switches working?
[19:14:50] <archivist> often dot matrix printer internals are on the cheap and just enough to do the job, I tend only to use as a source of rods to machine
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[19:22:42] <psha> strykerg: little bit
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[19:38:16] <Cra_> Hi guys, someone was on here last night using a brushless dc motor as a spindle like I do...are you or anyone else using a dc motor and ESC ?
[19:38:25] <Cra_> ..about, that is!
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[19:39:11] <Thetawaves> what kind of steel is 'plain' steel
[19:39:13] <ReadError> why not use a router?
[19:39:25] <ReadError> or a dremel ?
[19:40:38] <Thetawaves> wtf kind of steel is this www.crownbolt.com/Products/ProductList.aspx?Type=T3&Cat=C20&SubCat=S110&Part=20150
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[19:43:38] <Cra_> ReadError.. was that to me?
[19:43:45] <Cra_> If it was, too big. My machine is TINY!
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[19:44:44] <archivist> Thetawaves, mild steel, rough shite, black iron
[19:45:22] <Thetawaves> yeah
[19:45:48] <Thetawaves> i'm trying to determine the magnetic permeability so i might use it as a core in one of my coils.
[19:45:55] <Thetawaves> if only there was a number!
[19:46:38] <archivist> you want a soft iron(silicon iron) for magnetics
[19:47:11] <Thetawaves> got an easy source?
[19:48:07] <archivist> er sheet comes from old motors and transformers, short rod from solenoids
[19:48:32] <Thetawaves> i probably should buy some kind of kit or something with a design guide so i can really do the maths before building/testing a coil
[19:49:09] <Thetawaves> the problem with those materials is that they so easily saturate
[19:49:09] <archivist> or you can use iron powder/ferrite core
[19:49:19] <Thetawaves> because they were designed to run at 60hz when i want to do ~5khz
[19:49:41] <archivist> ferrite then
[19:50:04] <ReadError> Cra_
[19:50:09] <ReadError> you can use the flex handle
[19:50:22] <Thetawaves> archivist, so you think it would be good to look around for some ferrite cores
[19:50:50] <Cra_> Can you guys lend some advice - simple electronics questions but it really isn`t my thing so I`m stuck!! I`m powering my motor with a 12v supply. I`m powering my Breakout board with a 24v supply. I`m having my breakout board send a signal to my spindle driver and for it to detect a reference to the signal I need to ground the spindle driver from the breakout board supply!
[19:51:04] <archivist> Thetawaves, yes /me would look in his stock
[19:51:12] <Cra_> so then I`ve crossed grounds on both supplies....how do I check they are both at a common ground and there is no pd!!??
[19:51:57] <Thetawaves> if the grounds are crossed, how can they not be at the same level?
[19:52:03] <Tom_itx> use a common ground
[19:52:15] <Tom_itx> and check them with a meter
[19:52:29] <Tom_itx> ground is at zero potential
[19:52:34] <Cra_> how do I use a common ground? ... sorry, I presume this is an obvious answer
[19:52:36] <Thetawaves> archivist, i don't have much in the way of coils... relatively new area for me
[19:52:37] <Tom_itx> all else is referenced from that
[19:53:12] <archivist> Thetawaves, I have some stock from a transformer company that shut down
[19:53:13] <Tom_itx> Cra_, it is the point at which you measure your 12 and 24v from
[19:54:27] <Cra_> You see in my knowledgless mind, I have a black ground from each supply. But for this job, I`m going to end up connecting the ground of one supply to the ground of the other but I believe this is when things go pop or bang, if there is a small pd across them and they are not at the same pd!
[19:56:00] <archivist> Cra_, if the supplies are isolated from mains(have a transformer internally) then there cannot be that small pd to create a problem
[19:56:35] <Cra_> they are both ATX pc supplies that I`ve jumped so they run without the PC....does that sound ok?
[19:57:11] <archivist> they are switchers and do have isolation
[19:57:47] <Cra_> so that is good? so I can connect away to my hearts content without any fears?!
[19:58:23] <Tom_itx> live with fear but do it anyway
[19:58:29] <Cra_> lol
[19:58:41] <archivist> yes black to black, report smoke
[19:58:45] <Cra_> I`ll be on here crying if my computer gors pop with it
[19:59:08] <Tom_itx> so use a meter and check your work
[19:59:26] <archivist> but...which side of the breakout are you supplying
[19:59:33] <Cra_> When I start prodding with my meter things tend to go pop as well!!
[20:00:35] <Cra_> OK, basically the ESC that runs my spindle needs a pwm signal. to make a reference to the pwm signal it needs a ground BUT it is already getting a ground from the other power supply.... in which case...it should already be grounded....OH FFS!
[20:01:15] <Tom_itx> make sure the 2 supplies share a common ground
[20:01:35] <Cra_> ???? I don`t really understand what that involves??
[20:01:37] <Cra_> sorry..
[20:01:46] <Tom_itx> wire
[20:01:54] <Cra_> ??
[20:01:59] <Tom_itx> and 2 grounds
[20:02:00] <Cra_> from and to ... ?
[20:02:01] <Tom_itx> run them together
[20:02:03] <archivist> joining the two psu black wires
[20:02:10] <Cra_> it is like painting by numbers with me :p
[20:02:18] <Cra_> ahh ...really??!?
[20:02:21] <Tom_itx> uh huh
[20:02:22] <archivist> black is 0v
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[20:02:37] <Tom_itx> check it to be sure though
[20:02:47] <Tom_itx> you never know what knuclehead was in there
[20:02:50] <Cra_> "check it" ...
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[20:03:05] <Jymmm> Cra_: Are you using PC or Switching power supplys?
[20:03:05] <archivist> your meter and some thinking
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[20:03:23] <Cra_> I`m using ATX supplies that I`ve pulled out of old PCs.
[20:03:25] <archivist> Jymmm, PC supplies ARE switching
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[20:03:45] <Jymmm> archivist: Yes, but does HE know that was the question.
[20:04:00] <archivist> Jymmm, its not relevant
[20:04:27] <Jymmm> archivist: Yeah, because switching PS are always isolated.... NOT!
[20:05:10] <Cra_> ????????
[20:05:16] <archivist> show me a mains to delicate electronics that isnt isolated
[20:06:16] <Thetawaves> define 'isolated'
[20:06:45] <Thetawaves> pure galvanic? or can there just be a long series of inductors
[20:06:46] <Tom_itx> Cra_, draw a diagram of what you have or a clear picture
[20:06:46] <archivist> Cra_, you can check isolation with is disconnected from mains, the will be an open circuit from the mains in connections and the black wires
[20:06:47] <Cra_> stuck in a room alone??
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[20:07:39] <archivist> the case is likely not connected to the black as well
[20:08:21] <archivist> case is safety gnd, black is 0v and signal ground
[20:09:34] <Thetawaves> do NOT hook up your circuit ground to safety ground
[20:10:04] <Cra_> I`m totally lost
[20:10:34] <Tom_itx> draw a diagram of what you have
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[20:12:18] <Thetawaves> holy shit archivist
[20:12:19] <Thetawaves> http://www.ajdesigner.com/phpinductor/inductor_equation_u.php
[20:12:47] <Thetawaves> i can make a coil, measure it out, and deduce the permeability of materials i have on hand
[20:12:56] <Cra_> To clarify.... I have 2 atx tied is series to provide 24 to my breakout board. I have one ATX to provide 12v to my ESC for my brushless motor. I have pin 16 from my breakout board sending a pwm signal to the ESC. There is also a second ground line on the ESC next to the signal line. I apparently also need to ground this line to the breakout board, the same source of the pwm signal so it has a reference. Since the ESC already has a gr
[20:13:45] <Thetawaves> archivist, it's just what you gotta do when you live in the boonies :)
[20:13:50] <Cra_> I`ll end up trying the grounds from my 12v supply and 24 supply.... through this ground wire next to the signal line.
[20:14:43] <Thetawaves> if you forget about the fact that there are two power supplies in series for the 24v supply, ALL grounds need to be connected.
[20:15:25] <Cra_> so simply take a wire and connect black ground from my 24v supply to my 12v supply
[20:15:43] <Thetawaves> so there are a total of 3 12v power supples, yes?
[20:16:01] <Cra_> yes
[20:16:37] <Thetawaves> ok yes, two of the supplies need grounds tied together.
[20:16:45] <archivist> what is the coil going to do?
[20:16:54] <Cra_> but I had to do something with the two in series ...something to do with the grounds so that they wouldn`t short if the cases touched...
[20:17:12] <Thetawaves> archivist, regular coil in a somewhat high power buck converter
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[20:17:49] <archivist> cases can touch as they should all be at safety ground(mains earth)
[20:18:51] <archivist> Thetawaves, one of the toroid types, some are wound as steel strip
[20:19:38] <Thetawaves> yeah... i often thought they might use something like that steel packing strip
[20:19:39] <archivist> rip a pc psu apart and grab the big fat one
[20:20:03] <Thetawaves> and rewind as needed?
[20:20:14] <archivist> yup
[20:20:33] <Thetawaves> ok
[20:20:42] <Cra_> http://www.thebackshed.com/cnc/RouterA2.asp
[20:21:13] <archivist> you can learn from the e core type in a psu as the wire is wound in a special way for high currents
[20:21:38] <Thetawaves> special way?
[20:21:38] <Cra_> .,,,,,t if we want to connect PS's in series we need to isolate the metal case from the 0 volt wire. If we dont, and the metal cases touch, then we will be shorting out one powersupply and it will shut down ( or may be damaged ). Even if we manage to keep the metal cases isolated, the 240VAC power lead will still earth out both cases.
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[20:22:34] <Thetawaves> i don't know if that is true
[20:22:43] <archivist> Thetawaves, sheet wire, and also many wires in parallel
[20:22:52] <Thetawaves> i find it hard to believe that a pc power supply would actively tie ground to earth
[20:23:13] <archivist> Cra_, measure resistance case to black to check
[20:23:23] <Cra_> there was continuity
[20:23:29] <Cra_> I remember when I did it
[20:23:49] <Thetawaves> so the case is tied directly to neutral?
[20:23:51] <Thetawaves> wtf?
[20:24:34] <archivist> no ground, not neutral
[20:24:34] <Thetawaves> neutral is supposed to be tied to earth ground at the box of course
[20:25:11] <archivist> but emi filter may confuse measurements
[20:25:40] <Thetawaves> if both cases are tied to ground, they will both be at ground
[20:25:44] <Thetawaves> am i missing something?
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[20:26:21] <archivist> exactly hence the snip wire mod
[20:27:05] <archivist> but may be not a wire to snip as they may use the pcb mounting post for that
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[20:29:00] <Cra_> it wasn`t a wire as you said, it was on the pcb mounting
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[20:29:05] <Thetawaves> so say the grounding strap falls off your service box
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[20:29:28] <Thetawaves> you could easily fry a pc psu because it is using earth ground, eh?
[20:29:42] <Thetawaves> safety ground
[20:30:01] <archivist> no the psu does not get fried if a gound is open...you do
[20:30:22] <archivist> just feel a tingle normally
[20:30:55] <archivist> any leakage will excite the case of the item
[20:32:29] <archivist> I was using a lathe at a previous job, I noticed that tingle, found out it had been used for years without the frame being earthed
[20:32:52] <Cra_> I`m off in a minute. can I just check then,. The solution is to tie a wire from the grounds of all the psu?
[20:33:59] <archivist> we would like to see a circuit before we take any blame
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[20:34:06] <Cra_> lol ok
[20:36:09] * archivist sends a fire engine north
[20:37:24] <Cra_> is that for me?
[20:37:37] * archivist admits nothing
[20:37:52] <Cra_> lol, ans an ambulance please
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[20:40:46] <Jymmm> Cra_: Know anyone on the bomb squad by chance? They have nice suits you can borrow
[20:40:58] <ReadError> anyone here anodize aluminum before?
[20:41:23] <Jymmm> whats his name in SD does
[20:41:51] <pfred1> I've melted aluminum
[20:41:54] <Tom_itx> danimal
[20:42:06] -!- Cra_ has quit [Ping timeout: 245 seconds]
[20:42:09] <Jymmm> Yeah, SAN
[20:42:15] <Jymmm> not SD
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[20:42:45] <archivist> iirc danielfalk does too
[20:43:23] <Jymmm> pfred1: Uh, CONGRADULATIONS and/or Sorry to hear that, depending on the situation
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[20:43:54] <Jymmm> which is the same when someone tells you their divorce is final.
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[20:44:13] * pfred1 made beercanium
[20:44:36] <Jymmm> pfred1: now for Beearindacanium
[20:44:52] <archivist> I worked at an anodizing company 40 years ago does that count
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[20:45:09] <ReadError> pfred1: how did that turn out?
[20:45:16] <pfred1> archivist I worked at a place that chromed printing dies
[20:45:24] <pfred1> ReadError pretty good
[20:45:43] <Jymmm> pfred1: what type of furnace / forge?
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[20:46:10] <pfred1> a 5 gallon metal pail I put some fire bricks around
[20:46:12] <ThadiusB> finally got my wireless adapter to work on Ubuntu...yay! lol
[20:46:14] <archivist> I need a better flame before I melt ally again, mine was a fail
[20:46:17] <pfred1> I have a pic of it
[20:46:41] <pfred1> aluminum is so easy yo ucould do it on a barbeque if you blast it
[20:46:43] <Jymmm> pfred1: common pail, really?
[20:46:57] <pfred1> it had that roofing coating in it
[20:47:11] <pfred1> well that didn't last
[20:47:22] <pfred1> let me find a pic of my blast furnace
[20:47:32] <Thetawaves> pfred1, my favorite is "10 hour" bonfire
[20:47:43] <Jymmm> pfred1: Hmmm, ok. I thought something that thin wouldn't last too long
[20:47:48] <Thetawaves> if you can get close enough to it
[20:47:52] <pfred1> http://i.imgur.com/Ld6E4.jpg
[20:48:14] <Thetawaves> leet
[20:48:17] <Jymmm> ah, the devil cat furnace, gotcha
[20:48:33] <Thetawaves> awesome stand
[20:48:45] <pfred1> yeah we got all drunked up at a GP motocross race and melted a bunch of lawn chairs once
[20:48:46] <Thetawaves> do the tires get hot?
[20:49:02] <archivist> Iiznotneedmelting sez cat
[20:49:04] <pfred1> Thetawaves those are real firebricks
[20:49:18] <pfred1> like out of a kiln
[20:49:45] <pfred1> so no the outside of it doesn't really get hot
[20:49:52] <Jymmm> I saw the coolest little propane/60# gas tank dolly yesterday. Even had a tilt back too.
[20:50:04] <Jymmm> err 80#
[20:50:23] <pfred1> oh there is a really cool furnace setup where you have a foot pedal and half of it opens up
[20:50:52] <Jymmm> pfred1: is that before or after eyebrowsbegone?
[20:51:32] <ReadError> pfred1: is the product pretty solid?
[20:51:38] <ReadError> or does it break apart easy
[20:52:02] <Jymmm> dont you have to add coke or lime or something?
[20:52:14] <Jymmm> or is that just for gold?
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[20:52:17] <pfred1> ReadError no it is solid cast aluminum
[20:52:51] <pfred1> you keep melting cans you end up with a pot of silver liquid and pour it
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[20:53:43] * ReadError only drinks beer from bottles or kegs ;(
[20:53:45] <Jymmm> pfred1: did you add anything to it?
[20:53:56] <pfred1> no
[20:54:13] <pfred1> I might have tossed some borax on it it was a while ago
[20:54:25] <Jymmm> ah, ok.
[20:54:43] <pfred1> man gnash sucks
[20:55:26] <Jymmm> pfred1: When I play with fire, I'm more into purrrty lights than KaBooms or liquid solids =)
[20:56:04] <pfred1> it is a pain I do it outside so the weather has to be right
[20:56:19] <Jymmm> no shed or carport area?
[20:57:00] <pfred1> I have some outbuildings but I'm not into fires in buildings
[20:57:21] <Jymmm> ah, heh. I wasn't suggesting that at all
[20:57:40] <pfred1> when I'm blasting a flame comes out the top like a jet engine
[20:58:04] <Jymmm> pfred1: Got Marshmellows?
[20:58:15] <Jymmm> Hot Dog on a stick?
[20:58:20] <pfred1> if you did it'd go up like a sparkler
[20:58:30] <pfred1> poof
[20:58:39] <ReadError> pfred1: can you pour a block of aluminum?
[20:58:46] <pfred1> it is almost like a cutting torch
[20:58:47] <Jymmm> well, not THAT close =)
[20:58:49] <ReadError> i need to hit up the scrap yard
[20:58:53] <ReadError> find me some metal to learn on
[20:59:11] <pfred1> ReadError what kind of metal?
[20:59:16] <ReadError> aluminum
[20:59:19] <ReadError> dont care what type really
[20:59:29] <pfred1> the trick with cans is crush them first
[20:59:33] <ReadError> but no reason to buy new if im just 'derping' around
[20:59:38] <ReadError> the plastic burns out?
[20:59:53] <pfred1> then keep on pushing them into the pool of molten metal
[21:00:21] <pfred1> yeah you get a lot of dross with cans
[21:01:28] <Jymmm> pfred1: have/are you getting into making casts and such?
[21:01:43] <pfred1> so far all I've done is pour ingots
[21:01:43] <DJ9DJ> gn8
[21:01:45] <ThadiusB> how is everyone today?
[21:02:01] <pfred1> I want to pour a pulley for my homemade lathe
[21:02:13] <Jymmm> k
[21:02:29] <pfred1> I made a pattern and everything haven't made the boxes
[21:02:39] <pfred1> I might try lost foam and slurry
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[21:02:46] <pfred1> that is really cool
[21:03:12] <pfred1> you make a foam form then dip it into thinned out sheetrock spackle a few times then put it into dry sand
[21:03:21] <Jymmm> pfred1: Yeah, you'll need to make a cnc hot wire foam cutter now =)
[21:03:27] <pfred1> no making greensand and ramming it
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[21:03:49] <pfred1> though pouring it is kind of hectic because the foam burns off
[21:04:04] <Jymmm> metls instantly
[21:04:13] <pfred1> it flames out
[21:04:26] <Jymmm> no biggy
[21:04:37] <pfred1> molten aluminum is about 1250F
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[21:05:12] <Jymmm> But foam is like 99% air, you only have this tiny amount of plastic liquid to burn off
[21:05:27] <pfred1> I guess I've seen videos
[21:06:05] <Jymmm> pfred1: when you build the cnc hot wire foam cutter, just dont use AC =)
[21:06:24] <pfred1> I wouldn't use hot wire
[21:06:40] <Jymmm> pfred1: It be silly not to
[21:07:24] <Jymmm> pfred1: it's uttely amazing at how precise you cna be with a HWFC
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[21:08:02] <pfred1> I don't see it working out very well cutting V grooves for a pulley
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[21:08:25] <Jymmm> ABSOLUTELY it can
[21:08:40] <pfred1> I didn't say it couldn't i just said I can't see it
[21:08:43] <Jymmm> you bevel the wire
[21:09:04] <maddogma> Having rouble going from 2.4.3 to 2.5. Getting Depends error on libtk-img, and pythong-xlib, etc
[21:09:11] <Jymmm> you'll need a rotary axis
[21:11:29] <pfred1> aptitude search libtk-img
[21:12:00] <pfred1> apt-cache depends libtk-img
[21:12:11] <pfred1> apt-cache policy libtk-img
[21:12:26] <pfred1> something there ought to tell you what is going on
[21:13:37] <pfred1> I just used debian's package manager to ditch all my nvidia stuff and switch over to ATI it's hawt package management
[21:14:24] * pfred1 misses his GTS 240
[21:15:19] <maddogma> apt-cache policy libt-img: Installed: None Candidate:None
[21:15:31] <pfred1> then install it
[21:15:38] <pfred1> aptitude install libtk-img
[21:15:41] <maddogma> Which respoitories do I need to have enabled?
[21:16:13] <pfred1> it sounds like a base package to me nothing too special
[21:16:35] <pfred1> I always enable contrib and non-free though
[21:16:53] <pfred1> why not?
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[21:17:52] <pfred1> I need a new video card
[21:27:39] <maddogma> Thanks pfred1! It's installing now.
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[21:30:17] <pfred1> maddogma that is good
[21:30:24] <pfred1> lets hope it works
[21:31:12] <pfred1> check out this rig! http://www.youtube.com/watch?v=ddwrXA67bb4&feature=fvsr
[21:31:55] <pfred1> this guy is going to end up the first man on Mars
[21:32:43] <pfred1> ah, I put every flammible liquid I could find on this rig ....
[21:33:00] <pfred1> check out the lamp!
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[21:44:52] <Loetmichel> pfred1: is that you?
[21:45:03] <pfred1> no
[21:45:11] <pfred1> I'm crazy but I'm not goofy
[21:45:19] <Loetmichel> hrhr
[21:45:33] <pfred1> that guy with the lamps was downright goofy
[21:46:02] <pfred1> you gotta respect a man that can modify a snowblower like he has though
[21:46:18] <pfred1> or maybe it was a tiller?
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[22:16:18] <quqnuss> hello
[22:17:13] <pfred1> hi
[22:17:46] <quqnuss> i would like to as a question regarding registration in linuxcnc forum ..
[22:18:09] <quqnuss> whom sould i ask ?
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[22:51:18] <skunkworks__> anyone in the tulsa area?
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[22:55:50] <pfred1> skunkworks__ setting your watch?
[22:56:14] <cradek> skunkworks__: are you too young to marry?
[22:57:00] <pfred1> http://www.youtube.com/watch?v=omwpY42J1Fk
[22:57:43] <WillenCMD> wow talk about early clapton
[22:57:58] <pfred1> actually this is later clapton
[22:58:07] <cradek> huh, I know that one as a don williams song
[22:58:14] <pfred1> early would be like the yardbirds
[22:58:35] <pfred1> Mr. Cocaine
[22:58:43] <WillenCMD> no that would be ancient... they albumn cover was made out of stone
[22:58:56] <WillenCMD> pick anything good up lately pfred?
[22:59:14] <pfred1> those days are over
[22:59:25] * pfred1 would stroke out ...
[23:00:40] <WillenCMD> i saw Clapton a few years back here in st. Louis. I was disappointed with his stage demeanor.
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[23:01:28] <pfred1> he couldn't have been worse than chuck berry when I saw him
[23:01:28] <WillenCMD> Never once said anything like thank you St. Louis, or Hows everybody doing tonight? or talk for that matter.
[23:02:46] <pfred1> I saw jimmy page once and I thought he was going to be al lwashed up but he rocked
[23:03:15] <WillenCMD> im jealous... i would give anything to see led zeppelin. I was born in the wrong damn day
[23:03:20] <pfred1> he did the most amazing thing i ever saw somewone do
[23:03:29] <pfred1> nah I saw him with the outrider band
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[23:03:54] <pfred1> but at the end of the second encore the crowd was going ballistic so he broke out a 12 string and played stairway to heaven
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[23:04:04] <pfred1> after that everyone just got up and filed out
[23:04:14] <pfred1> didn't clap or anything
[23:04:17] <pfred1> just like in a daze
[23:04:29] <pfred1> it was the most amazing piece of crowd control
[23:04:40] <WillenCMD> wow... i just saw peter frampton 2 weeks ago
[23:04:46] <WillenCMD> he played for 4 hours
[23:04:58] <pfred1> with the vocoda box?
[23:04:58] <WillenCMD> 3 encores it was a bit excessive.
[23:06:25] <WillenCMD> ya he was really good, plays the talk box like no other.
[23:07:10] <pfred1> I'm too far away to catch any good acts anymore
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[23:18:42] <skunkworks__> cradek: pfred1 : heh :)
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[23:28:49] <WillenCMD> GO BLUES!! sorry not the right chat room for that but i couldn't help my self
[23:29:31] <WillenCMD> im just giong to re-name this channel #mywifeworksnightssoallidoisworkonlinuxcncandmachines
[23:29:41] <WillenCMD> a bit long but i could abbreviate it
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[23:31:58] <Jymmm> WillenCMD: abbr to #geta[W|L]ife
[23:32:25] <WillenCMD> define life...
[23:32:45] <Jymmm> 42
[23:32:57] <WillenCMD> 42?
[23:33:36] <Jymmm> http://en.wikipedia.org/wiki/42_%28number%29
[23:34:26] <WillenCMD> lol
[23:34:39] <WillenCMD> great answer
[23:36:55] <WillenCMD> machining is my life, my grandfather did it, my dad does it, and now i do it.
[23:37:08] <WillenCMD> wouldn't do anything else
[23:42:46] <WillenCMD> actually if anyone ever needs something machined i'll do it... i have this mill in my basement and i can't seem to think of anything to make. i'll do it for free
[23:45:05] <pfred1> that is the biggest problem thinking of something to make
[23:47:06] <WillenCMD> i know... i spent so much time designing it and making it work now i have drawn a blank.. I made the neighbor kid two new brake lever's for his dyno... thats about it. I'll be down the the atc tool changer very soon just waiting on the 4 angular contact bearings
[23:47:18] <WillenCMD> done*
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[23:49:24] <alex4nder> sick
[23:49:31] <alex4nder> my new concrete mill basin seems like a good choice
[23:49:43] <alex4nder> it just weighs 200 lbs, so moving it is a pain in the ass
[23:51:57] <WillenCMD> my mill and base weighs in at 736 lbs
[23:52:40] <pfred1> I have a dolly I can put my mill on
[23:52:46] * Jymmm ships the Cesium-137 to WillenCMD to machine
[23:52:54] <pfred1> each castor is rated for 600 pounds
[23:53:04] <pfred1> caster even
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[23:53:57] <WillenCMD> why do i diserve that?
[23:54:10] <Jymmm> alex4nder: Nothing a few 1/4" steel rods wouldn't resolve
[23:56:59] <Jymmm> WillenCMD: I was jokingly "taking advantage" of your generious offer to mahine something for free is all. My apologizes if the humor/sarcasim came across wrong.
[23:57:33] <pfred1> like my old boss Petie used to say, "It'll never hurt ya!"
[23:57:34] <WillenCMD> no no not at all i joke with the best of them, its just hard to tell via text
[23:57:57] <WillenCMD> wanted to make sure i didn't say or do something thats all
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[23:58:37] <Jymmm> WillenCMD: Yeah, I'm gonna send you a guberment controlled substance for you to fabricate without any protection in place while you start to glow in the dark form all the swarf produced and I just reap the benefits =)
[23:58:56] <pfred1> petie could have been defusing a nuclear warhead and he'd turn around and say his famous line
[23:59:11] <pfred1> it really didn't matter how hazardous the task
[23:59:29] <pfred1> It'll never hurt ya!
[23:59:30] <Jymmm> pfred1: And he diead at a ripe old age of 19 years
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[23:59:43] <pfred1> Jymmm no he is a very rich old man
[23:59:48] <pfred1> makes about a million a day