#linuxcnc | Logs for 2013-03-13

[00:00:19] <tjb1> and that will limit the rate at which the comp tries to move it?
[00:00:35] * JT-Shop puts on the chef de jor hat now
[00:00:53] <JT-Shop> no it will limit how fast the stepgen accelerates
[00:01:23] <JT-Shop> changing the thc.correction-vel float will limit how fast it chages
[00:01:35] <tjb1> and that will fix the too much adjustment per period
[00:01:43] <JT-Shop> yea
[00:01:45] <tjb1> Well I am making that proportional to voltage
[00:02:04] <JT-Shop> taco time in the Bluff
[00:02:18] <tjb1> Thanks
[00:03:35] <JT-Shop> np
[00:03:41] <JT-Shop> say goodnight Gracie
[00:04:00] <r00t4rd3d> meow
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[00:06:30] * pfred1 pulls the handle on the one armed bandit again ...
[00:10:02] <L84Supper> http://www.3ders.org/articles/20130309-makerbot-and-autodesk-to-jointly-develop-and-market-3d-design-and-3d-printers.html
[00:10:26] <pfred1> I don't know about that Bre guy
[00:10:30] <L84Supper> this doesn't seem like a good move for Autodesk
[00:10:38] <pfred1> seems a little shady to me
[00:10:52] <L84Supper> just an attention whore
[00:11:15] <L84Supper> FFF makes pretty poor prints, at least makerbots machines do
[00:12:22] <L84Supper> they got ~$10M in venture, so they have to show a profit or the plug gets pulled
[00:12:23] <pfred1> Bre kind of hosed Zach Smith pretty heavily
[00:13:56] <pfred1> $10M in venture makes folks do funny things though I guess
[00:14:22] <L84Supper> it's hype like his that actually gives people a bad impression of 3DP
[00:14:57] <L84Supper> they start to think that all it can do is low res single material crap
[00:15:38] <L84Supper> true for their type of FFF, but that is only 1% of 3DP tech
[00:16:01] <pfred1> yeah it looks like waving a hot glue gun around t ome
[00:16:08] <bluefr0g> AR_: how much is a block of delrin the size of an AR lower?
[00:16:12] <L84Supper> pretty much it
[00:16:44] <pfred1> bluefr0g you don't want to make an AR receiver out of plastic
[00:16:44] <bluefr0g> What kind of appliances (Large copiers, old dot matrix printers, ??) should i try to find to scavenge steppers and neat things for?
[00:16:51] <L84Supper> the photopolymer to print a lower is ~$3
[00:17:10] <bluefr0g> are printed strong enough yet?
[00:17:23] <L84Supper> well.... whats the total volume of the material in a lower?
[00:17:40] <bluefr0g> theres some places that are weak spots, like around the buffer tube ring
[00:17:42] <L84Supper> we have photopolymers as strong as aluminum
[00:18:22] <L84Supper> flexural mods in the few GP's, getting into the 10's of GP's with new composites
[00:19:14] <L84Supper> that news story on the 3dp lowers is using a stratysys FDM type printer and using ABS
[00:19:36] <pfred1> it blew up on the 6th shot didn't it?
[00:19:47] <bluefr0g> I'd really like to be able to make a couple AK flats and the stamping jig. but that probably cant be done in the 1000$ range
[00:19:49] <L84Supper> the new one went past 100
[00:20:01] <L84Supper> shots that is
[00:20:03] <bluefr0g> one broke 6th shot, was just weakness around buffer tube, no boom.
[00:20:04] <pfred1> oh I hadn't heard about that
[00:20:49] <L84Supper> http://www.aetlabs.com/files/downloads/ABS_prop_0208.pdf
[00:20:57] <L84Supper> it's not too tough
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[00:22:09] <L84Supper> 1.8GPa isn't too bad but aluminum is what ~40GPa?
[00:22:56] <L84Supper> 6061 is 69GPa
[00:24:12] <bluefr0g> what could one expect out of about 1k$ of machine, if using ebay/amazon carefully?
[00:24:50] <pfred1> a happy Chinese family?
[00:24:51] <L84Supper> FDM printer?
[00:25:08] <bluefr0g> Would it be ressonable to be able to do aluminum with perhaps 0.01" tolerances at a slow speed and at least a 18"x16" travel?
[00:25:55] <bluefr0g> that'd make anything i could ever want or need to make
[00:26:03] <pfred1> X3 retrofits go for about $1,500+
[00:26:26] <pfred1> and they're about the bottom of the barrel when it comes to doing any metal work
[00:26:27] <bluefr0g> i've seen some amazing homebuilds but noone ever wants to say prices
[00:26:38] <L84Supper> http://tech.slashdot.org/story/13/03/02/144227/download-this-gun-3-d-printed-gun-reliable-up-to-600-rounds
[00:26:48] <bluefr0g> some supposedly like 1k$-1500$
[00:26:51] <L84Supper> so 600, 100x the last time
[00:27:10] <L84Supper> http://arstechnica.com/tech-policy/2013/03/download-this-gun-3d-printed-semi-automatic-fires-over-600-rounds/
[00:32:13] <L84Supper> you could print a lower on a DIY DLP printer in about 5-10 minutes
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[00:35:06] <bluefr0g> oh wow defcad has new guns to download
[00:38:07] <L84Supper> http://cncguns.com/
[00:42:12] <L84Supper> http://www.kickstarter.com/projects/anthromod/3d-printed-robotic-hand
[00:42:31] <L84Supper> literally give somebody a hand
[00:44:01] <L84Supper> http://www.youtube.com/watch?feature=player_embedded&v=yq7FEVM-CfE
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[00:51:19] <pfred1> well personally I welcome our new robotic overlords with open arms
[00:56:16] <L84Supper> it will nice to see articulating prosthetic devices that can be printed vs >$100k from some med supplier
[01:04:37] <bluefr0g> i want a third arm.
[01:12:34] <andypugh> bluefr0g: You probably still have the DNA for a prehensile tail.
[01:14:25] <pfred1> still no boost
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[01:16:32] <bluefr0g> No, i want an arm
[01:16:52] <bluefr0g> i could hold a beer and solder at the same time then :P
[01:16:52] <pfred1> I'm good with what I got
[01:17:07] <pfred1> I can do that already
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[01:22:42] <Valen> 3 arms would be good
[01:22:53] <Valen> you could hold 2 things together then do stuff to them
[01:23:02] <Valen> IE hold 2 wires and solder
[01:23:05] <Valen> 4 would be better
[01:23:07] <Valen> 2 wires
[01:23:16] <Valen> soldering iron and solder
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[01:25:42] <pfred1> if you tin the wires first you don't have to add any more solder to them
[01:25:43] <Tom_itx> you can hold 2 wires with one hand
[01:26:02] <Tom_itx> takes a little practice
[01:26:21] <pfred1> I usually clip one wire to something
[01:26:35] <pfred1> there is always something to clip it to
[01:26:43] <Tom_itx> yeah it's easier but sometimes you don't have a choice
[01:27:11] <pfred1> well then I throw a heavy pair of pliers on the wire
[01:27:33] <Tom_itx> not if it's hanging in an enclosure
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[01:29:51] <Valen> doesn't work so good when you are half buried in an engine bay
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[01:32:42] <Jymmm> Valen: what, soldering?
[01:32:48] <pfred1> it looks like I'm getting my boost!
[01:34:18] <AR_> <bluefr0g> AR_: how much is a block of delrin the size of an AR lower?
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[01:35:38] <AR_> i got a 1.5x5.375x12" block plus a 1.5x3x12" block for about $30 on ebay
[01:36:05] <AR_> for an AR lower i wouldnt start smaller than 1.5x4x7.75
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[01:37:25] <pfred1> I live pretty close to Nylon City
[01:37:38] <pfred1> shame they don't make Nylon there anymore
[01:38:03] <L84Supper> http://plastics.dupont.com/plastics/dsheets/delrin/DELRIN100STNC010.pdf slightly weaker than the ABs they used
[01:38:25] <Jymmm> Doesn't that still require a tax stamp?
[01:38:26] <pfred1> yup the DuPont plant is closed down
[01:39:17] <Jymmm> and you probably want UV Stabilized
[01:39:22] <L84Supper> http://plastics.dupont.com/plastics/dsheets/delrin/DELRIN_577_BK000.pdf
[01:39:32] <pfred1> you only need a tax stamp for a full auto weapon
[01:39:34] <L84Supper> http://plastics.dupont.com/plastics/dsheets/delrin/DELRIN525GRNC000.pdf
[01:39:57] <Jymmm> pfred1: Not just full auto, supressors too
[01:40:16] <bluefr0g> no you can make your own lowers
[01:40:26] <pfred1> well anything in that cockamamy NFA law
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[01:41:51] <bluefr0g> i intend to comply with the laws, i just would rather put money into something that can make me other things too than into currently overpriced complete weapons
[01:43:11] <pfred1> I give up this stuff doesn't work
[01:43:13] <bluefr0g> i can then make and sell widgets to buy the rest of the parts
[01:44:03] <Jymmm> YOu want to make this out of delrin?! http://cncguns.com/images/HK416%20Clone_4031.JPG
[01:44:25] <L84Supper> Acetal Homopolymer... wonder why they named it Delrin?
[01:44:35] <r00t4rd3d> http://i.imgur.com/qYZWyyF.jpg
[01:44:37] <Jymmm> L84Supper: trade name
[01:44:39] <r00t4rd3d> tablet stand i made
[01:45:00] <bluefr0g> Jymmm: Yea.
[01:45:08] <bluefr0g> Milled delrin can do that
[01:45:11] <Jymmm> r00t4rd3d: Cool, target for the ar15 we'll make!
[01:45:15] <L84Supper> homopolymer-phobic?
[01:45:31] <t12> heres the real challenge
[01:45:42] <t12> update the ak47/sten design ideas
[01:45:48] <t12> to apply to a modern badly equipped shop
[01:45:52] <Jymmm> bluefr0g: but the test broke after 15m
[01:46:12] <bluefr0g> no i think that was the 3d printed one
[01:46:16] <bluefr0g> pretty sure
[01:46:27] <Jymmm> maybe, but still plastic
[01:46:30] <t12> instead of trying to machine copies of stuff designed to be made on equipment people dont really have
[01:47:18] <bluefr0g> AKs are relatively easy, mill your flat, bend it, weld, go
[01:47:18] <pfred1> de-milled AK kits are through the roof today if you can even get them
[01:47:38] <L84Supper> http://cdn.arstechnica.net/wp-content/uploads/2013/02/tumblr_inline_mfm8bv6YAh1rwpoc4.jpg look at the crack in version 1
[01:47:46] <t12> i'm talking about the whole gun not just the reciever
[01:47:52] <t12> barrels are always hard of course
[01:48:13] <pfred1> a couple of years ago a de-milled AK kit was dirt cheap
[01:48:33] <bluefr0g> pfred1: you can get flats dirt cheap
[01:48:33] <bluefr0g> 23$
[01:48:39] <L84Supper> http://defdist.tumblr.com/post/44209819568/printed-ar-lower-v5-review
[01:48:42] <bluefr0g> predrilled, undersized holes near the fold
[01:48:49] <pfred1> bluefr0g a flat is nothing it is a sheet of metal
[01:48:55] <bluefr0g> yea
[01:49:10] <pfred1> you still need a de-milled kit to assemble on it
[01:49:17] <t12> and you still need to heat treat the flat right
[01:49:21] <t12> after bending
[01:49:35] <pfred1> t12 some don't but it is nice to do
[01:49:35] <L84Supper> The actual count was 660+ on day 1 with the SLA lower. The test ended when we ran out of ammunition, but this lower could easily withstand 1,000 rounds.
[01:50:15] <t12> i know designing an entire action is hard
[01:50:23] <t12> but it just seems odd to me that people just keep copying a the existing stuff
[01:50:24] <Jymmm> L84Supper: But if Im going to go thru that much effort, I want a reliable firearm
[01:50:29] <bluefr0g> yea but that stuff is easier to get
[01:50:37] <t12> i can mainly see building around existing barrels and mags
[01:51:18] <Jymmm> the isn't going to be firearms, but availability of ammo
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[01:51:34] <Jymmm> the issue isn't going to be firearms, but availability of ammo
[01:51:36] <L84Supper> whats the flexural modulus of a gun barrel?
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[01:53:25] <L84Supper> http://www.youtube.com/watch?v=L_E_GJayano AK47 Barrel Flex - high speed video, 600fps
[01:54:17] <pfred1> hey why isn't configure picking up my libboost now? I seem to have it
[01:55:01] <L84Supper> http://www.riflebarrels.com/articles/custom_actions/bolt_lug_strength.htm
[01:55:08] <pfred1> libboost_python-2.6-1_49.so.1.49.0 -> libboost_python-2.6.so
[01:55:23] <pfred1> I mean what more does this stuff want?
[01:56:00] <pfred1> configure: error: boost::python is required to build LinuxCNC
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[01:56:36] * pfred1 needs a lib-break
[01:57:25] <pcw_home> I seen that one before.... google for solution
[01:57:59] <Jymmm> WTF?! http://www.cheaperthandirt.com/ItemListing.aspx?pagesize=1000&catid=736
[01:58:05] <pfred1> yeah I mean I have it now and in a version LinuxCNC should be able to use
[01:58:47] <L84Supper> how about an easy cheap to print ray gun to change the balance of power i the world....... naah
[02:00:24] <Err> pfred1: check config.log - it'll tell you exactly what was executed to try and determine if libboost was installed or not
[02:00:26] <pcw_home> I wouldn't mind a compact EMP device for boombox repair
[02:01:02] <L84Supper> or one that just aims at the car in front of you with 30m range :)
[02:02:16] <Err> sign me up for a couple of those (one for the front and the back)
[02:02:48] <pfred1> http://pastebin.com/7SAXeXqg
[02:03:44] <L84Supper> http://www.amazing1.com/emp.htm
[02:05:37] <Err> pfred1: I see that you have libboost_python-2.6.so - but do you have a libboost_python.so symlink as well?
[02:05:42] <Err> that's what it's trying to link to...
[02:06:09] <pfred1> http://pastebin.com/FVdaW6Ej
[02:07:29] <pfred1> hey it made it
[02:08:03] <pfred1> Err thanks I'm burnt sitting here messing with this stuff
[02:08:09] <Err> :-)
[02:08:10] <Err> no problem
[02:08:18] <Err> I've spent many a moon staring at config.log outputs
[02:08:45] <pcw_home> Burnt? http://doppelschwanzmaennchen.de/
[02:08:55] <L84Supper> http://www.instructables.com/community/A-powerful-EMP-generator-to-disable-temporarily/
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[02:10:20] <Err> heh, that instructable is amusing
[02:10:32] <pfred1> many of them are
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[02:13:56] <pfred1> well now
[02:14:16] <pfred1> I seem to have reached the end of a long journey
[02:14:36] <pfred1> You now need to run 'sudo make setuid' in order to run in place.
[02:14:52] <pfred1> did that
[02:15:16] <pcw_home> is it soup yet?
[02:15:23] <pfred1> I wonder if I can run the app over ssh?
[02:15:36] <pfred1> aw heck I'll try it out on the machine
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[02:32:30] <tjtr33> L84Supper, http://xkcd.com/368/
[02:42:20] <r00t4rd3d> so pfred1 what exactly did you do? get rtai working on a newer kernel ?
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[03:02:21] <pfred1> r00t4rd3d no 2.6.38
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[03:48:11] <r00t4rd3d> what kernel version is 10.04 on?
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[04:07:55] <pfred1> Ubuntu 2.6.32-25.45-generic
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[04:20:55] <r00t4rd3d> seems like a lot of work for such a little jump
[04:26:26] <Jymmm> Seems like a lot of work http://cncguns.com/images/HK416%20Clone_4031.JPG
[04:27:39] <uw> lol ar's
[04:27:50] <Jymmm> ?
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[04:31:54] <uw> this cncguns site is pretty cool
[04:31:58] <uw> free dls?
[04:32:05] <Jymmm> yeah
[04:32:48] <Jymmm> Make or thingverse banned them, so cncguns was created
[04:34:06] <pfred1> another Bre move
[04:34:14] <Jymmm> ?
[04:34:27] <pfred1> makerbot owns thingverse
[04:34:36] <Jymmm> ah
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[04:38:49] <Jymmm> Ya know, if its so easy to make a zip gun, there should be a simple way to create a reliable rifle
[04:45:22] <pfred1> I saw a site online once where I guy made Kentucky long rifles the old fashioned way
[04:45:38] <Jymmm> What's the "old fashion way"?
[04:45:41] <pfred1> and by old fashioned way I mean he forges bundled rods of iron together and stuff
[04:46:00] <Jymmm> heat, hammer, heat, hammer?
[04:46:11] <pfred1> mean he made guns just like they did in the 1800s
[04:46:31] <pfred1> you should have seen the contraption he rifled the barrels with
[04:46:32] <Jymmm> I dont know how they did it, I'm asking you pfred1
[04:46:41] <pfred1> this big wooden thing with these helix twists
[04:47:01] <pfred1> yes he took rods and hammered them together
[04:47:26] <pfred1> then bored it out and rifled it
[04:47:34] <Jymmm> bored it how?
[04:47:39] <pfred1> on a lathe
[04:47:43] <Jymmm> rifled it how?
[04:47:56] <Jymmm> how DO you rifle a barrel?
[04:48:22] <pfred1> he had this thing carved out of wood that looked like DNA helix that as you drew the rifling rod throug hthe barrel it would slow twist the cutter
[04:48:25] <Jymmm> I looked once and didn't find much
[04:48:38] <pfred1> today they broach them
[04:48:46] <pfred1> usually the button method
[04:48:59] <pfred1> but this guy used a single cutter
[04:49:02] <t12> broaching machine
[04:49:10] <t12> theres special ones for gun barrels i believe
[04:49:13] <pfred1> he has some way he shimmed it up with a splint of wood
[04:49:31] <pfred1> yeah today they draw what are called buttons through the barrel
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[04:49:42] <pfred1> although there are other methods of rifling like chemical etching
[04:50:07] <Jymmm> chem etch a spiral?
[04:50:07] <pfred1> I thnk it is H&K their methods are so precise they can't do ballistic tests on the bullets
[04:50:14] <t12> http://www.youtube.com/watch?v=kvnKSfDUCWY
[04:50:22] <pfred1> because all the bullets that come out of their barrels look alike
[04:51:16] <pfred1> Jymmm we're pretty good at chemical etching today
[04:51:32] <Jymmm> that's one hell of a lathe
[04:52:09] <Jymmm> is it making multiple passes in a single barrel?
[04:52:22] <t12> i believe so
[04:52:26] <pfred1> oh yes many passes the antique way
[04:52:29] <Jymmm> why?
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[04:52:37] <Jymmm> demo purposes?
[04:52:38] <t12> prolly get a better cut
[04:52:42] <pfred1> you can only cut away so much metal in a pass
[04:52:48] <t12> also think of the deflection
[04:53:00] <Jymmm> Ok, but the cutter doesn't change diameter
[04:53:06] <pfred1> yeah he shims his cutters up with like splinters
[04:53:13] <Jymmm> oh
[04:53:15] <t12> the cutter is supported on a rod that fits through the barrel
[04:53:22] <t12> for like a .223 thats pretty small
[04:53:38] <pfred1> his rifles were 50 caliber
[04:53:57] <pfred1> you ain't doing no .223 the old way I din't think
[04:54:10] <pfred1> old stuff is often big stuff
[04:54:24] <Jymmm> That's some big cast iron there
[04:54:33] <t12> http://www.youtube.com/watch?v=A7Z9Y-OvDpY
[04:54:36] <pfred1> wrought iron
[04:54:46] <Jymmm> wrought?
[04:54:57] <t12> modern wrought iron aka bent steel
[04:54:59] <pfred1> yes that is what you call hand hammered iron
[04:55:09] <Jymmm> ah
[04:55:16] <pfred1> no such thing as midern wrought today really
[04:55:20] <pfred1> modern
[04:55:20] <Jymmm> I meant the green frame of the lathe
[04:55:40] <t12> some megarich friend of friend
[04:55:48] <t12> had all real wrought iron work done in their richpeople house
[04:55:50] <t12> $150k
[04:55:54] <t12> the blacksmith lost money at it
[04:56:07] <t12> like handrails and whatnot
[04:56:18] <t12> http://www.youtube.com/watch?v=jX0Gj7ZXeGc
[04:56:22] <pfred1> t12 real wrought iron you have to hammer out of a bloom
[04:56:23] <t12> thats the lollest rifler
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[04:57:12] <pfred1> but I don't think the nut I saw was even that into it he bought steel rods
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[05:20:32] <pfred1> ther is an iron pillar in india thing is like 6,000 years old
[05:21:02] <pfred1> they really made stuff good back in the day!
[05:29:42] <r00t4rd3d> http://www.123dapp.com/catch
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[05:40:54] <tjb1> Hello
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[06:43:17] <pfred1> why does LinuxCNC hardcode a kernel version inside of itself?
[06:44:39] <Jymmm> pfred1: I don't know, why does LinuxCNC hardcode a kernel version inside of itself?
[06:46:37] <Jymmm> pfred1: are you talking a RT kernel?
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[06:51:00] <mrsun> hmm press fit of bushings, will the inside diameter shrink as much as the press fit is ?
[06:51:26] <mrsun> say ive got 0.03mm oversize outside and spot on inside, then press it into a housing then the inside bore will be -0.03mm ? :)
[06:58:12] <Jymmm> mrsun: I think it'll depend on the housing and bushing material
[06:58:33] <Jymmm> you might try and heat the housing material to expand it
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[07:10:25] <Loetmichel> *yawn* MORNING! ... there were times when $me was more energetic after getting out of bed... *creaking bones* :-(
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[07:20:34] <Jymmm> Loetmichel: you were getting laid back then.
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[07:21:10] <Loetmichel> Jymmm: more like: getting old and weary ;-)
[07:22:19] <Jymmm> Loetmichel: Three words... Electric Mattress Pad
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[07:26:54] <tripod|> what kind of security tools should be used bevore the inverter?
[07:27:19] <Jymmm> tripod|: ?
[07:29:17] <tripod|> Jymmm i mean those electric parts dont know in english
[07:29:42] <Jymmm> tripod|: Ok, what inverter?
[07:29:50] <tripod|> im looking for a picture
[07:30:00] <tripod|> Jymmm for the motor
[07:30:05] <tripod|> 2kW
[07:30:20] <Jymmm> tripod|: Oh, *I* don't know.
[07:30:52] <Jymmm> tripod|: I thought you were tlaking about a 12VDC to 110VAC inverter, but I wasn't sure.
[07:31:04] <tripod|> you know what i mean?
[07:31:35] <Loetmichel> tripod|: power filter? or did you mean Residual current breaker? ("FI-schalter")
[07:31:40] <tripod|> http://www.elektro-doerr.com/content/image/main/box_right/fehlerstromschutz_03.jpg those parts
[07:31:44] <archivist> tripod|, a filter is probably the word you are looking for
[07:31:51] <tripod|> yes fi i mean^^
[07:32:45] <tripod|> the one which is installed allways switches off, when i start the inverter
[07:32:48] <archivist> good filters may not play well with RCD though
[07:32:59] <Loetmichel> to put an RDC in front of an 3 phase inverter is calling for trouble, unless the RCD has "DC-capability"
[07:33:27] <Loetmichel> ... and the filters have low "ableitstrom"
[07:34:52] <Loetmichel> <- going to work now
[07:35:05] <tripod|> Loetmichel but there are special ones for rdc, but which ones?
[07:35:42] <Loetmichel> tripod|: like i said: "DC-capable" ("Gleichstrom-geeignet")
[07:36:07] <tripod|> sorry auf deutsch gehts einfacher... weisst du gerade, welcher typ das ist?
[07:37:16] <Loetmichel> tripod|: on some Inverters you can disable the input power filters. that may help with the "RDC is switching off" issue. but a not dc capable RCD may still not switch if the inverter is active!
[07:37:49] <Loetmichel> and ow i have to go, already 30 minutes late for work
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[07:38:07] <tripod|> have fun @work... i will look for a dc one
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[07:58:43] <DJ9DJ> moin
[07:58:58] <Jymmm> DJ9DJ: You're an hour late!!!
[07:59:08] <DJ9DJ> hi Jymmm
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[07:59:28] <DJ9DJ> no, i'm not. its my normal time
[07:59:46] <Jymmm> DJ9DJ: Oh, you dont observe daylights savings?
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[08:04:48] <DJ9DJ> nope, just clock time ;)
[08:05:00] <DJ9DJ> local time will change last week in march
[08:05:33] <Jymmm> Ah, We just had ours on Sunday
[08:05:42] <DJ9DJ> ah!
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[08:28:03] <Jymmm> I'm watching a movie, and the very first time I've ever heard reference to Cordite
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[08:39:59] <Jymmm> Mornin Mr Tom
[08:42:39] <Jymmm> Tom_itx: Um, that would be you =)
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[11:23:20] <Loetmichel> soooo, cnc place done, wating for the chinese 6040 to arrive.... http://www.cyrom.org/palbum/main.php?g2_itemId=14112
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[11:44:39] <jthornton> what kind of web based database is out there that users could add an entry to but not edit other entries?
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[11:47:21] <Loetmichel> *waaah* 2 hrs downloading updates... i HATE our company 2Mbit Sdsl overe here... ok, ubuntu 10.04 is abit older... so was to be expected to update much after fresh install from the linuxCNC live cd
[11:47:34] <Valen> ouch
[11:47:55] <Valen> jthornton: you *could* do it witha wiki and much fiddling
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[11:48:58] <jthornton> hmmm
[11:49:01] <skunkworks> what about 'guest books..'
[11:49:12] <jthornton> what is guest books?
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[11:50:31] <Loetmichel> ht: i would opt also for a blogging software with guest comments
[11:50:54] <archivist> jthornton, any system that has a proper login and their records "belong" to them
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[11:51:55] <jthornton> this is a list of people who have spyders and are willing to help other spyder owners that have problems on the road so search and or sort by state is needed
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[11:53:29] <skunkworks> oh - what about some sort of google mapping like what linuxcnc had for a while?
[11:53:38] <jthornton> hmmm I did a database a few years ago but forgot how LOL
[11:54:03] <jthornton> yea, but simpler like a sortable list
[11:55:31] <jthornton> ah ha it was a php sql database I did
[11:55:31] <archivist> you can get the browser to sort tables
[11:56:16] <jthornton> how would you do that?
[11:58:15] <archivist> like on http://en.wikipedia.org/wiki/Comparison_of_project-management_software see little arrows in table header
[11:59:26] <jthornton> yes, I see that
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[12:00:04] <archivist> so many ways :)
[12:00:57] * jthornton tries to see how they did that
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[12:04:28] <archivist> look at the css <table class="wikitable sortable">
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[12:06:36] <jthornton> how do you look at the css file?
[12:07:46] <archivist> when you view source you can see all the files they include pile of .js too
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[12:12:07] <archivist> probably not the best example code to look at :)
[12:13:10] <archivist> here is a better example mebe http://www.kryogenix.org/code/browser/sorttable/
[12:13:50] <jthornton> thanks
[12:13:53] <archivist> and he has a nice license
[12:15:07] <archivist> I usually have pre ordained sort order from me database queries
[12:16:33] <jthornton> actually that would work if sorted by state
[12:16:38] <archivist> one thing you may want is by distance from user to user rather than state
[12:17:01] <archivist> and it gets messy then
[12:17:36] <jthornton> this is for helping a rider that has broken down on the road so I assume smart phone to look it up
[12:30:49] <archivist> you want something like http://zcentric.com/2010/03/11/calculate-distance-in-mysql-with-latitude-and-longitude/
[12:31:23] <jthornton> that's cool
[12:31:33] <archivist> how large do you think your data will be
[12:31:48] <archivist> 100 members 1000000000 members
[12:31:50] <jthornton> 300-400 entries maybe
[12:32:12] <archivist> should be ok at that level
[12:32:56] <jthornton> the spreadsheet has 200 but can be hosed up very easy
[12:33:39] <archivist> the problem with that sql is it is run for every row in the table so not that fast
[12:34:40] <archivist> you could add some thing to stop it testing people over 300 miles away
[12:35:20] <jthornton> some people will cruise the list and see who is along their route
[12:36:46] <archivist> like me looking for museums and things up country if on a trip for any other reason
[12:37:01] <jthornton> yep
[12:58:15] <mrsun> Jymmm, hmm sure but when it contracts again it should push the bushing to a smaller size? :)
[12:58:31] <mrsun> have to make bushings for a friends lathe .. and its huge stuff so cant turn them when in place :P
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[13:05:51] <sebastian> hi linuxcnc gurus
[13:06:36] <sebastian> i was playing around with kinematics and found a strange behaviour
[13:07:47] <sebastian> when i change KINEMATICS_TYPE of trivkins to KINEMATICS_BOTH, i always get soft limit switch errors after homing and switching to world mode
[13:08:26] <sebastian> does anybody know why?
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[13:30:44] <skunkworks_> why do the first 4 videos have nothing to do with linuxcnc?
[13:30:46] <skunkworks_> http://www.youtube.com/results?search_query=linuxcnc&search_type=videos&search_sort=video_date_uploaded
[13:31:31] <skunkworks_> probably 7
[13:32:27] <cradek> keyword spamming, probably
[13:33:03] <cradek> the one with the tooth says "linuxcnc 5 axis cinci at MPMby sws1253"
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[13:41:53] <asdfasd> I noticed few years ago youtube search engine suddenly become a crap
[13:42:53] <skunkworks_> it seems to come and go.
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[13:43:14] <skunkworks_> The actual page doesn't seem to have any references to linuxcnc. (other than the search info)
[13:43:32] <cradek> yeah
[13:43:42] <cradek> I bet a search for harlem shake works though
[13:43:48] <cradek> get your priorities straight
[13:43:53] <skunkworks_> heh - don't go there
[13:44:03] <asdfasd> try search gangnam style - always shown properly
[13:44:06] <Jymmm> I found this off of one of those playlists, pretty impressive http://www.youtube.com/watch?v=rkhbxOWFJq4
[13:44:09] <archivist> that search did not seem so bad over here
[13:45:17] <skunkworks_> Jymmm, 'fluid'
[13:45:29] <archivist> remember they probably use use your history and location to bias the result
[13:45:32] <Jymmm> skunkworks_: All I can find is that they were posted in the last 48 hours
[13:45:56] <Jymmm> skunkworks_: fluid and serious upper arm strength
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[14:01:06] <Loetmichel> hmmm... it may come to mind that the closed driver for the nvidia card isnt the best choice for a linuxCNC machine... jitter of 75k and plus... :-(
[14:01:21] <Loetmichel> back to noveau i think
[14:02:52] <Loetmichel> or has anyione a siuggestion whioch driver to use for a nvidia 8500 GS on a linuxcnc pc?
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[14:18:07] <r00t4rd3d> none
[14:18:49] <r00t4rd3d> what ever the stock one that is initially installed
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[14:19:46] <Jymmm> alex_joni: New toy for you http://dx.com/p/avoi-avs-tv602-android-4-0-google-tv-player-w-wi-fi-1gb-ram-4gb-rom-keyboard-mouse-black-193707
[14:20:10] <Jymmm> Heh, lets see pfred install lcnc on that =)
[14:20:29] <r00t4rd3d> those mk's are junk
[14:20:48] <Jymmm> mk;s ?
[14:20:56] <r00t4rd3d> mk808 the board you linked too
[14:21:02] <r00t4rd3d> http://www.hardkernel.com/renewal_2011/products/prdt_info.php
[14:21:08] <r00t4rd3d> those are the real dev boards
[14:22:17] <r00t4rd3d> The Odroid-U2 has official CyanogenMod support too
[14:22:31] <r00t4rd3d> http://get.cm/?device=odroidu2
[14:23:00] <Jymmm> You see the heatsink for the one you linked to??!
[14:23:10] <r00t4rd3d> no
[14:23:25] <Jymmm> http://com.odroid.com/sigong/_Files/2012/201211/images/201211251432377371.jpg
[14:23:48] <r00t4rd3d> I was joking.
[14:24:02] <Jymmm> about what?
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[14:24:13] <Jymmm> the NK's being junk, or ???
[14:24:39] <r00t4rd3d> the heat sink
[14:24:41] <r00t4rd3d> http://tjakubowski.files.wordpress.com/2013/02/screen1_odroid.jpg
[14:24:52] <r00t4rd3d> the picture just makes it look huge
[14:26:13] <r00t4rd3d> it has a quad core processor and a quad core gpu
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[14:28:40] <r00t4rd3d> You can game with it if you choose, decent games
[14:29:14] <r00t4rd3d> something you cant do with those china cheap black MK*** ones
[14:30:47] <Jymmm> I'm not a gamer, so I doubt that'll ever be an issue.
[14:31:57] <r00t4rd3d> the built in wifi sucks too
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[14:32:44] <Jymmm> Somehow I'm getting the impression you had one and werent happy with it
[14:34:20] <Tecan> 9 hours to backup 3 tb
[14:34:24] <Tecan> gparted
[14:35:02] <r00t4rd3d> Jymmm, no I just hand around the places where those are discussed.
[14:35:06] <r00t4rd3d> hang*
[14:38:45] <r00t4rd3d> You get what you pay for is the general consensus
[14:39:20] <r00t4rd3d> so many things onboard its all cheap as fuck
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[14:43:32] <r00t4rd3d> http://www.ebay.com/itm/New-Black-USB-to-25-Pin-DB25-Parallel-Port-Printer-Adapter-Cable-1-42FFA9FE-/150938418139?hash=item2324a17bdb
[14:43:58] <r00t4rd3d> that would be cool if those worked
[14:44:08] <r00t4rd3d> and someone ported linuxcnc to arm
[14:44:36] <Jymmm> r00t4rd3d: GIT ER DONE! What are you waiting for?
[14:44:44] <Loetmichel> harhar
[14:45:08] <r00t4rd3d> cradek said he was gonna do it
[14:45:32] <r00t4rd3d> :)
[14:45:33] <Jymmm> r00t4rd3d: That was in your wet dreams, nothing in reality, sorry.
[14:45:47] <Loetmichel> r00t4rd3d: usb-> lpt adapter have a grueseome latency. IIRC the usb standard allows a maximum of one second fpr a packet roundtrip. not possible to get a cnc machine running over lpt
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[14:46:23] <Jymmm> s/lpt/usb/
[14:46:57] <Loetmichel> over usb->lpt adapter i meant
[14:47:22] <Jymmm> Over USB anything is what I meant =)
[14:47:55] <Jymmm> But, could do a store and forward thing
[14:48:19] <Jymmm> That's how my laser works, just like a printer.
[14:49:23] <r00t4rd3d> http://www.ebay.com/itm/Targus-Mobile-Port-Station-PAEPR090-Parallel-Serial-Etnernet-USB-Audio-/221195938084?pt=Laptop_Docking_Stations&hash=item33804e2924
[14:49:35] <r00t4rd3d> "High-speed DB25 bi-directional parallel port"
[14:49:52] <Jymmm> and high latency too
[14:51:24] <Jymmm> Hey, what does the 20c 30c etc for LiPo batteries mean?
[14:51:45] <jdh> nC is usually discharge rate
[14:51:59] <Jymmm> jdh: What does that mean in dumbass speak?
[14:52:02] <jdh> where C is current
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[14:53:13] <jdh> a 1Ah battery rated at 20C could be discharged at 20A
[14:53:35] <Jymmm> Oh, so max draw at any given time?
[14:53:41] <r00t4rd3d> what about a ethernet print server
[14:53:42] <r00t4rd3d> http://www.ebay.com/itm/TP-LINK-TL-PS110P-Fast-Ethernet-Print-Server-/290876010650?pt=US_Print_Servers&hash=item43b98fb09a
[14:53:50] <jdh> yeah, they use it for charge rate also
[14:54:13] <Jymmm> jdh: ALWAYS for both?
[14:54:28] <Jymmm> charge/dischargee
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[14:54:52] <jdh> they are usually quoted separately
[14:54:53] <Jymmm> jdh: 30A charging I'd think kill a battery in a couple of days
[14:55:01] <Jymmm> gotcha
[14:55:05] <jdh> but, they are also more often marketing numbers
[14:55:18] <jdh> you can fast charge LiPo (really fast)
[14:55:19] <Jymmm> jdh: derate by ?? %
[14:55:37] <Jymmm> jdh: but kill the life of it
[14:55:59] <jdh> not as much as you would expect (relative to NiMH and SLA)
[14:56:23] <jdh> lots of good videos on LiPo fires from bad chargin
[14:56:27] <Jymmm> jdh: I meant for a battery in general =)
[14:56:43] <jdh> it is chemistry dependent.
[14:57:11] <Jymmm> jdh: and mfg, and quality, and operator, and dumbassness, etc =)
[14:57:43] <jdh> yeah. Some lithium batteries can be pretty hazardous. Home-built packs especially
[14:58:09] <Jymmm> jdh: from single unknown cells
[14:58:15] <jdh> I know a guy that had a Lithium pack for his dive scooter. Tons of power. Burned down his motel room at 2am
[14:59:07] <Jymmm> I thik I'd store a pack in a ammo box at least
[14:59:38] <jdh> main issue is charging, or penetration
[14:59:43] <Jymmm> jdh: was it a custom made bat pack?
[15:00:19] <Jymmm> jdh: did he try charging it too fast/much?
[15:00:20] <jdh> yes, but it didn't have a proper battery management module. 43V? battery, ~30Ah
[15:00:34] <Jymmm> oh fuck
[15:01:48] <Jymmm> If you are putting that much balls into something, you would think you would also have the proper controls too
[15:02:51] <Jymmm> I like my PROTECT 18650's TYVM, then I really dont have to worry about the charger screwing up as much.
[15:05:11] <Jymmm> jdh: But, I'm starting to look at them for my radios, need 13.8@22A MAX draw, so 25C (now that I know what that means =) should do the trick nicely.
[15:05:27] <jdh> 22A seems excessive
[15:05:38] <Jymmm> jdh: 100W RF
[15:06:27] <jdh> I presume you will spend a few seconds transmitting "is anyone else alive" then just rx in despair.
[15:06:30] <Jymmm> Then top that with dgital/CW modes and you can really push it.
[15:06:53] <Jymmm> Well, CW can be longer than "a few seconds"
[15:07:07] <jdh> plug it in to the grid
[15:07:23] <Jymmm> jdh: On tp of a moutian?
[15:07:25] <Jymmm> top
[15:08:06] <Jymmm> jdh: SOTA http://www.sota.org.uk/
[15:08:11] <Err> RF amplifier efficiency isn't traditionally better than 60% or so
[15:10:23] <Jymmm> jdh: On top of that, I'd like to incorporate my 15W solar blanket for charging
[15:21:16] <Jymmm> jdh: When they say 30C (for example), what % do you derate the the "advertised" rating from the realistic one?
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[16:21:45] <Loetmichel> Jymmm:model Lipolymer batterys are more or less reliable
[16:22:09] <Loetmichel> the first c-value is usually correct for continous discahrge
[16:22:49] <Loetmichel> the second value for "peak discharge" is sometimes a bit off the scale... derate taht to about double the coninous discharge just to be on the safe side
[16:23:08] <Loetmichel> <- sorts his fingers
[16:27:20] <jdh> insertion sort?
[16:28:01] <archivist> see todays xkcd for the sort he is using
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[16:32:01] <jdh> I like the mouseover one
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[16:51:48] <R2E4> Hi all.
[16:52:27] <R2E4> How much current I need for the 5 volt power supply for the mesa 5i25/7i77 boards?
[16:53:36] <cradek> I don't know, but the biggest consumers of that are probably your encoders
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[16:54:30] <R2E4> Howz it going cradek. thanks, I'll check on the encoders. I am receiving my bridgeport saturday.
[16:54:36] <cradek> slick
[16:54:57] <cradek> can't you just hook it to your pc power supply and not worry?
[16:55:03] <R2E4> He is also throwing in a 1965 colchester student metal lathe.
[16:55:27] <cradek> I always run my encoders on the pc supply so it never loses count from estop, main machine cutoff, etc.
[16:55:34] <archivist> be careful with the throwing its heavy
[16:55:39] <R2E4> cradek, I don't know the power draw, (requirements) so I would rather just get a seperate 5 volt PS.
[16:56:00] <cradek> pc supplies are hugely powerful
[16:56:04] <R2E4> OH..... didn't know that would be a problem.
[16:56:24] * JT-Shop goes to look at what he used in the BP
[16:56:37] <cradek> well if you turn off power to the encoders you'll definitely lose position!
[16:56:40] <R2E4> You are talking a seperate wire from the PC powersupply right? Not using Power pins opn the parallel port?
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[16:56:58] <R2E4> right
[16:56:58] <cradek> yes, you can't get any power from a parallel port
[16:57:11] <cradek> use a drive connector or something
[16:57:41] <R2E4> yeah, I have the 7i77 plugged, oh it is a 5i25 card. nevermind....
[16:58:35] <R2E4> pcw_home I remember saying when you connect the drives/encoders you will need to change to exrternal power. I will try the PC power.
[16:59:13] <pcw_home> on a 7I77 you can get 5V power from the FPGA card but if you have a long cable
[16:59:15] <pcw_home> and lots of encoder power it might be marginal
[16:59:44] <pcw_home> (you can always check with a VM on the 7I77 5V connector)
[17:00:13] <JT-Shop> I used a 7009K31 from McMaster Carr
[17:00:31] <JT-Shop> overkill I'm sure at 10w
[17:02:03] <R2E4> I don't know what the bei encoders draw but cradek you've doin it so I should be good.
[17:02:08] <pcw_home> I think the 7I77 5V requirement by itself is about 400 mA (2W)
[17:02:30] <cradek> R2E4: the encoder might say
[17:02:34] <R2E4> Look at this monstor I am constructing......:-) http://www.youtube.com/watch?feature=player_embedded&v=2mTHrDiODYc
[17:02:52] <cradek> R2E4: you don't have light bulbs so it won't be too horrible, but they may be stuffed full of old ttl
[17:02:56] <R2E4> Yeah, I have an image of them somewhere....
[17:04:06] <pcw_home> I dont think those open belts/pulleys are finger approved
[17:04:30] <R2E4> or any other fre swing limbs for that matter.
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[17:38:10] <Err> I'm reasonably certain that that free colchester lathe was supposed to be delivered to my house :-)
[17:39:21] <Jymmm> I'm reasonably certain that the delivery option also stated over your cold dead body
[17:40:13] <Jymmm> if not stated, then implied =)
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[17:52:05] <L84Supper> http://www.gatech.edu/newsroom/release.html?nid=131491 couldn't they find their own acronym? LAMP is already taken
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[17:52:11] <IchGuckLive> hi all B)
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[17:53:54] <archivist> L84Supper, so is MARC , book data
[17:58:36] <andypugh> Cool idea, but 3D-printing sand moulds is pretty conventional. In fact I thought that the process described there was already common.
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[18:01:33] <IchGuckLive> and 3D printing is getting cheeper and cheeper
[18:02:10] <IchGuckLive> http://www.youtube.com/watch?v=gRZzIhEuEHw
[18:02:23] <IchGuckLive> its yust around the corner !
[18:02:47] <IchGuckLive> http://www.youtube.com/watch?v=wP4LK-1GmJg
[18:06:20] <IchGuckLive> LEGO mill V2 this is cool http://www.youtube.com/watch?NR=1&feature=endscreen&v=pX1cO2XhMrg
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[18:07:41] <andypugh> Mwahahaha! http://www.youtube.com/watch?v=5yJZBcd-sek
[18:08:16] <IchGuckLive> Urheberrechtsanspruchs von Andy Pugh nicht mehr verfügbar.
[18:08:27] <IchGuckLive> not available in europ
[18:08:39] <IchGuckLive> youo got the licence
[18:09:14] <IchGuckLive> you need to make it private
[18:09:20] <IchGuckLive> not public
[18:09:24] <andypugh> Not available anywhere any more. That's the point. Someone had re-uploaded my video.
[18:09:27] <IchGuckLive> or the other way
[18:09:52] <IchGuckLive> oh that is realy not good
[18:10:09] <IchGuckLive> some foks are realy nasty
[18:10:16] <andypugh> Youtube pulled it in < 24hours, that part is pretty good.
[18:10:31] <IchGuckLive> if seen my plasma tabel also wondering around as freecad modell
[18:11:18] <IchGuckLive> yours or the oher andy
[18:11:31] <IchGuckLive> other O.O
[18:12:18] <andypugh> Mine is still there: http://youtu.be/ZhICrb0Tbn4
[18:12:22] <archivist> andypugh, I wonder how many complained, I did
[18:12:52] <andypugh> It's the second time. I really don't know what they hope to achieve.
[18:13:56] <archivist> time I trawled for my vids to see if any ripoffs are still there
[18:14:28] <IchGuckLive> i dint mind if one craps mine it ia all on opensource
[18:14:40] <IchGuckLive> linuxcnc most
[18:14:52] <IchGuckLive> andypugh: what is the spindel speed
[18:15:07] <Jymmm> Just tag it if you are worried about getting them snag
[18:15:12] <andypugh> I don't know. 500rpm maybe?
[18:15:55] <IchGuckLive> did you get the hal and ini published ?
[18:16:23] <IchGuckLive> woudt be worth for the University to build a mashine only for this showing
[18:16:45] <andypugh> IchGuckLive: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Hobbing
[18:16:52] <IchGuckLive> Thanks
[18:18:13] <IchGuckLive> POPE is selected !!!!
[18:19:08] <Jymmm> Pope Jymmm the First, wearing the spiffy cap!
[18:19:24] <pcw_home> We're re-Poped?
[18:19:32] <IchGuckLive> all bels are ringing here in Germany
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[18:20:23] <IchGuckLive> andypugh: you cand do that with a parport or 2 or ?
[18:20:52] <IchGuckLive> if i get the second parport input and connect A/B quad endcoders
[18:21:05] <andypugh> You don't need Z-axis control, so yes, a parport will work.
[18:21:48] <IchGuckLive> i think i give it a try this year
[18:23:08] <asdfasd> andypugh: how do you check that somebody copied your video?
[18:23:26] <andypugh> Generally Skunkworks tells me :-)
[18:23:50] <andypugh> How he knows, I have no idea
[18:24:31] <asdfasd> so... ask skunkworks he knows everything hahah
[18:26:17] <archivist> he trawls youtube all day instead of working I think
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[18:28:53] <asdfasd> haha
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[18:29:38] <IchGuckLive> live fro ROME http://www.zdf.de/ZDFmediathek/hauptnavigation/live#/beitrag/livevideo/1856994/Live:-Schornstein-an-der-Sixtina
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[18:36:37] <tjtr33> L84Supper, https://smartech.gatech.edu/bitstream/handle/1853/31740/kambly_kiran_200912_mast.pdf the GaTech printer
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[18:38:03] <IchGuckLive> all marching bands coming in
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[18:43:03] <L84Supper> tjtr33: they called me last week about printing magnets
[18:43:09] <IchGuckLive> pcw_home: the cable from the plugandplay 5i25 can i use a standard 5m 1:1 cable for this
[18:43:19] <IchGuckLive> subD25
[18:43:34] <andypugh> If it's fully wired it should be fine
[18:43:48] <IchGuckLive> ok
[18:44:16] <tjb1> Killed a driver for my printer :(
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[18:47:16] <tjtr33> L84Supper, that sounds tricky, i know edming magnets was tough until we used AC pulses
[18:48:18] <tjtr33> and this seems appropo for todays news, listen for free http://archive.org/details/ACanticleForLiebowitz
[18:50:19] <pcw_home> Umm 5M is questionable and it should be IEEE-1284
[18:50:51] <IchGuckLive> it works on my BOB parport
[18:51:08] <L84Supper> tjtr33: not too hard, it's just having to work with material that is like peanut butter
[18:52:08] <pcw_home> Your parport--> BOB does not have 2.5M Baud serial signals
[18:52:21] <IchGuckLive> agree
[18:53:05] <pcw_home> IEEE-1284 cables have 35 wires
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[18:54:15] <andypugh> oops! I was thinking of a 5' cable.
[18:54:35] <pcw_home> each signal has a twisted pair shield GND
[18:55:14] <pcw_home> at 5' probably almost anything would work
[18:55:24] <andypugh> I am reading The Mongoliad. That features a Papal COnclave too, in a spooky way.
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[18:56:05] <pcw_home> but the IEEE cables are better because they are shielded
[18:56:26] <IchGuckLive> i will get yoiu a report on this
[18:59:24] <andypugh> I can confirm that a 7i73 works on the end of a 10m cable.
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[19:02:39] <IchGuckLive> http://www.retrofit-plus.at/MESA/
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[19:05:19] <IchGuckLive> andypugh: what are you using as a I/O for the 7i73
[19:05:55] <andypugh> Currently a matrix keyboard.
[19:06:29] <IchGuckLive> im so happy with the X-boy USB joypad
[19:06:39] <IchGuckLive> BOX
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[19:07:04] <pcw_home> the differential signals are good for maybe 50 meters (we tested 30 meters at 10 Mbaud for a week or so with no CRC errors)
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[19:09:45] <pcw_home> With 7I76/7I77 daughtercards you have the same serial signal as a single ended
[19:09:47] <pcw_home> TTL level so need to be shorter and cleaner (Hence fussiness about cables)
[19:10:45] <IchGuckLive> ok thanks and BY for today
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[19:30:27] <Loetmichel> *great* ... hope the DO deliver tomorrow... have to have 25 Casings for electronics done by next week. -> Geplantes Zustelldatum aktualisiert auf:
[19:30:27] <Loetmichel> Donnerstag, 14.03.2013, Zustellung bis zum Ende des Arbeitstages
[19:30:27] <Loetmichel> Letzter Standort:
[19:30:27] <Loetmichel> Eingegangen - Frankfurt, Germany, Mittwoch, 13.03.2013
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[19:30:49] <Loetmichel> ... ups isnt as reliable as it ws...
[19:30:55] <Loetmichel> was
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[19:45:08] <Jymmm> Crap, had outbound package stolen off porch last night.
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[20:08:36] <tjb1> Jymmm: You live in that bad of a neighborhood?
[20:08:56] <Jymmm> tjb1: No, that's the problem. Crime of convienance
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[20:13:58] <tjb1> Took 19 ground wires off an atx...
[20:16:15] <Jymmm> and you'll need to put them back if you draw more than 50mA
[20:18:59] <tjb1> I only need 2 of them for 11amp
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[20:28:18] <FinboySlick> L84Supper: Are you involved with these guys too? http://formlabs.com/
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[20:33:30] <L84Supper> FinboySlick: nope, they are all MIT propeller heads (and I mean that in the kindest way possible)
[20:34:22] <FinboySlick> On (web) paper, the seem to have hit a sweet spot though.
[20:34:35] <FinboySlick> Price/quality look fairly good.
[20:35:03] <L84Supper> it's slow and only 300um res, we make photopolymers for it though
[20:35:26] <L84Supper> there's another one for less, hold on
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[20:36:35] <L84Supper> http://www.3ders.org/articles/20130306-slamp-open-source-mini-sla-3d-printer.html
[20:36:54] <L84Supper> http://www.indiegogo.com/projects/opensl-3d-printer-a-stereolithographic-printer-for-everyone?c=home
[20:36:56] <FinboySlick> L84Supper: Do you (from that we) actually sell a printer too?
[20:37:11] <L84Supper> we make printers in China
[20:38:30] <FinboySlick> But they're straight, right? ;)
[20:38:30] <L84Supper> we might start selling some in the west later this year
[20:39:24] <L84Supper> http://vimeo.com/60929881
[20:39:50] <FinboySlick> L84Supper: Don't hire Chen, he lies on his inspection sheets.
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[20:40:12] <L84Supper> i think he's just about done with the design
[20:40:42] <L84Supper> is he inspector #356?
[20:41:50] <FinboySlick> Not sure on his number, I just hold a grudge.
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[20:45:25] <L84Supper> Chen is the 5th most common surname in China
[20:45:43] <Jymmm> #4 is Smith
[20:47:41] <L84Supper> ∑ ∑
[20:48:26] <Jymmm> andypugh: Have you tested the latency of that 12V mobo using lcnc?
[20:48:38] <Jymmm> L84Supper: That's # 12
[20:48:53] <Jymmm> ≥≤
[20:49:34] <andypugh> Jymmm: I think so, but can't recall the numbers.
[20:49:51] <Jymmm> andypugh: pass? fail? 24hr+ ?
[20:49:56] <andypugh> They were OK. But rumours are that the video doesn't work _at_all_ with Precise.
[20:50:07] <Jymmm> precise?
[20:50:23] <andypugh> A bit under 10k I think, long-term.
[20:50:29] <andypugh> Precis Pangolin
[20:50:35] <L84Supper> the athlon xp 2400 tested yesterday came in ~100K us
[20:50:39] <Jymmm> andypugh: K, hat is Precise?
[20:50:43] <Jymmm> what
[20:50:51] <L84Supper> Soyo mainboard, forget the chipset
[20:51:22] <andypugh> Jymmm: http://releases.ubuntu.com/precise/
[20:51:25] <L84Supper> worst one ever for latency next to a laptop
[20:51:45] <Jymmm> andypugh: Oh, fucking code names (annoying), could just said 12.04 =)
[20:51:46] <andypugh> L84Supper: I get milions of latency on my Mac VM :-)
[20:53:01] <Jymmm> andypugh: Well, that sucks. Could you try Knoppix Live sometime?
[20:53:23] <L84Supper> I need more coffee, bbl
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[20:53:27] <Jymmm> andypugh: I've found that it does a good job at detectning hw
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[20:54:17] <Jymmm> andypugh: And leave it to intel to fubar a good thing.
[20:54:19] <andypugh> I haven't tried it myself yet. I don't really care at the moment, it runs headless as a development machine.
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[20:54:54] <Jymmm> andypugh: ok
[20:55:02] <Jymmm> gotta go, bbl
[21:02:15] <mrsun> anyone know what that washer on the end of the spindle on south bend lathes are made of ? (the one that sits inside of the gear of the end of the spindle for the gear train) =)
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[21:10:02] <Tom_itx> what's it look like?
[21:10:05] <Tom_itx> bronze maybe?
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[21:20:44] <mrsun> Tom_itx, nah it feels and looks like some kind of plastic thingie
[21:20:57] <mrsun> dont know if south bend uses the same stuff, this is a swedish manufactured south bend clone
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[21:24:14] <mrsun> http://i.ebayimg.com/t/NICE-SOUTH-BEND-9-10K-METAL-LATHE-PART-HEADSTOCK-SPINDLE-TAKE-UP-NUT-WASHER-/00/s/MTA2N1gxNjAw/$(KGrHqN,!oUFDCIENIZwBQ2RiGYwn!~~60_35.JPG
[21:24:18] <mrsun> "take up washer"
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[21:25:38] <andypugh> paxolin?
[21:28:51] <mrsun> phenolic is a word i find for it
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[21:29:31] <andypugh> paxolin is paper-reinforced phenolic resin.
[21:30:03] <andypugh> It's actually a pretty good material. Lots of useful properties, such as long-term crush resistance.
[21:30:05] <t12> man i sure run out of power on steel quick
[21:30:53] <mrsun> andypugh, ahh, also found "linen/phenloic" .. so dont know then =)
[21:31:17] <andypugh> Some types are fabric reinforced.
[21:32:04] <andypugh> http://www.tufnol.com/tufnol/default.asp
[21:32:34] <andypugh> The "materials" drop-down has paper, fabric and fibre reinforced
[21:33:06] <andypugh> I always prefer "Vole Brand" as voles are cute.
[21:34:29] <andypugh> But ofr your application Carp Brand might be right.
[21:35:49] <andypugh> mrsun: http://se.rs-online.com/web/p/solid-plastic-sheets/0681205/
[21:36:11] <mrsun> ough expensive :P
[21:36:34] <andypugh> You may not need such a big sheet. Try eBay?
[21:37:35] <andypugh> Hmm, actually, I thought KR345 might be rather more than £30
[21:38:18] <mrsun> http://www.ebay.com/itm/PHENOLIC-SHEET-TUFNOL-SUBSTITUTE-200MM-X-100MM-X-2MM-/360500555338?pt=LH_DefaultDomain_3&var=&hash=item53ef81ee4a paper based but dont know what diff it would make realy :P
[21:39:36] <andypugh> Check the specs on the Tufnol site?
[21:40:15] <andypugh> South Bend are US, so they probably didn't use actual Tufnol
[21:40:33] <mrsun> no but like i said, this is a clone made in sweden
[21:40:36] <mrsun> =)
[21:41:30] <mrsun> oh bakelite ... is that tufnol ?
[21:41:39] <mrsun> or phenolic thingie? :)
[21:41:55] <andypugh> Yes, and no. Not reinforced, but otherwise the same
[21:42:06] <andypugh> It's old-school PCB material.
[21:42:12] <andypugh> halrun
[21:42:14] <andypugh> doh
[21:42:52] <mrsun> andypugh, ALOT of stuff was made in bakelite here in sweden in the "olden days" :P
[21:44:09] <fragalot> antique razor scales are often bakelite
[21:44:17] <fragalot> and most of them have started to rot and smell HORRIBLE
[21:44:48] <fragalot> That said I think I may still have a stack of bakelite PCB blanks around, lol
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[21:53:17] <mrsun> wellt hanks for the help =) now i know a little more about what to look for =)
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[22:14:20] <DJ9DJ> gn8
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[22:34:41] <andypugh> http://youtu.be/rLr2G-1WPTI
[22:36:11] <andypugh> I am really wuite tempted to start smoking a pipe.
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[22:45:19] <r00t4rd3d> pack it up!
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[22:49:57] <r00t4rd3d> dont hide it, divide it.
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[23:20:45] <Jymmm> r00t4rd3d: tobacco pipe
[23:23:14] <andypugh> Actually, I woul dnever need to light it, just carry it to gesture with, and fettle.
[23:24:12] <Tom_itx> anybody use github?
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[23:28:42] <Jymmm> andypugh: OSHA would have a field day with the "working conditions" =)
[23:29:10] <andypugh> There are lots of comments about that, but I think they may be misguided.
[23:29:54] <andypugh> Safety is about a lot more than hard hats and hi-viz. Those guys know what they are doing, which is better.
[23:30:00] <ds3> is there a version of the LiveCD with an image for a USB stick?
[23:30:30] <andypugh> ds3: You can just use the stnadard ISO and the Ubuntu "startup disk creator"
[23:30:46] <Jymmm> andypugh: I was taking about the 20T hammer slamming on the 12" thick 2000F steel and slat flying everywhere =)
[23:30:51] <Jymmm> slag
[23:31:03] <andypugh> You think that has changed?
[23:31:18] <Jymmm> andypugh: they didn't even have gloves
[23:31:23] <ds3> andypugh: what do you mean?
[23:31:27] <Jymmm> much less face shields
[23:31:36] <ds3> burn CD then run that on an existing ubuntu system? or?
[23:32:04] <Jymmm> andypugh: Here http://www.youtube.com/watch?v=rLr2G-1WPTI&feature=player_detailpage#t=348s
[23:32:32] <andypugh> ds3: Do you have an existing ubuntu system?
[23:32:51] <ds3> andypugh: sort of... it is CD drives that I lack
[23:33:04] <ds3> mint but I am guessing it si close enough for this discussion
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[23:33:35] <andypugh> I am not sure. Ubuntu has an app in the system menu to make bootable media from ISOs.
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[23:33:53] <ds3> oh from ISO
[23:33:55] <ds3> gotcah
[23:34:01] <ds3> thought it wanted a real CD
[23:34:57] <ds3> found it
[23:35:51] <pfred1> unetbootin
[23:36:17] <r00t4rd3d> ya
[23:36:32] <pfred1> http://unetbootin.sourceforge.net/
[23:36:59] <r00t4rd3d> check out this cherry blossom bread:
[23:37:01] <r00t4rd3d> http://imgur.com/a/b4X4W
[23:37:18] <pfred1> it does not work for all ISOs though I have had trouble with some looking on the CD drive for install files
[23:38:00] <andypugh> Jymmm: Why would you wear gloves? You are really not meant to touch the hot metal
[23:38:18] <pfred1> gloves just make it burn longer
[23:39:08] <andypugh> Interestinghow thin blacksmiths tended to be
[23:39:51] <Tom_itx> and loggers
[23:39:55] <Tom_itx> and coal miners
[23:40:05] <andypugh> This one is marvellous: http://youtu.be/k_LA_R4ifYk
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[23:41:32] <andypugh> Especially later on. How did they make those huge anchors you see rusting away? They just piled small bits of hot metal on with hammers until they had a big piece.
[23:42:05] <pfred1> andypugh you might like this: https://www.youtube.com/watch?v=ozCdCdGOliE
[23:42:53] <pfred1> there are a lot of antique anchors around here
[23:44:59] <jdh> lots of antique anchors and chain around here too... underwater.
[23:45:28] <andypugh> pfred1: I have tried blacksmithing, woodturning, stained glass making and joinery. And all that just on my parents house.
[23:45:44] <andypugh> (like, we made all the door hinges and latches)
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[23:46:23] <pfred1> jdh people decorate with the things this is an old ship building area
[23:46:44] <pfred1> andypugh I think I've seen pictures of your parents place
[23:47:00] <jdh> this is an old ship sinking area
[23:47:01] <andypugh> Oh, stone carving too.
[23:47:06] <Valen> http://www.youtube.com/watch?v=IzUX_1jaO_I
[23:47:11] <Valen> Commander Riker's Trying To Sell.....Some Type Of Crap...
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[23:48:05] <andypugh> Made the knob on the gable, the kneelers, and the chimney on the left. http://www.bodgesoc.org/Slaithwaite2/Cottage_end.JPG
[23:49:11] <pfred1> Valen this is the best https://www.youtube.com/watch?v=SKqjIv91Zx8
[23:51:09] <Valen> pfred1: thats not "in universe" really
[23:51:26] <Valen> if he was wearing ghostbusters gear it'd be cool
[23:51:42] <pfred1> Valen that would add to it
[23:52:02] <pfred1> as it is I am laughing listening to him
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[23:54:14] <pfred1> the comments might even be funnier than Dan though