[00:19:05] <skunkworks> http://imagebin.ca/img/aJ2jSp2.jpg
someone's ready to hit the switch ;)
[00:20:31] <skunkworks> http://imagebin.ca/img/oaiKhtJ.jpg
little better picture of the siding http://imagebin.ca/img/jrjnbJa.jpg
what kind of siding is that?
seems like it is pretty decent
thicker because it is a darker color
Need to get everything ready to go - so when they come to disconnect the house and connect the garage we have very little down time.
(backfeeding the house from the garage)
skunkworks: That aint a 400 Amp service
skunkworks: have you had/used siding like that before?
skunkworks: I like that you raised the sides up 6" or so from the foundation
I have not used this brand. used cheaper.
This stuff has the material folded over where the nail slots are.. So it is a lot stronger there.
it doesn't dry out and crack or anything?
also - once it is popped together to the previous row - it is very hard to get back apart.
The stuff I have used seemed to be more brittle. This stuff doesn't seem to fracture.
time will tell
much mouch $$$?
to cover the garage with siding
skunkworks: Why do you need a meter for the garage alone? Can't tap into the existing?
The house is only a 125 amp service. So I will run 200 amp service into the garage and run the house off of that.
I don't feel like changing that breaker box out. :)
(also - don't really see the house needing more than that)
House no, shop yes!
skunkworks: How else you going to power the 18,000 christmas lights =)
skunkworks: per sq ft =)
I can't seem to get the sspi function of the 7i43 board to work. Does anyone know what a raw dump on the syslog should look like for the working SPI interface?
[01:35:36] <Goslowjimbo> http://pastebin.com/m2bb85d1
[01:40:30] <Goslowjimbo> http://pastebin.com/m7ae7e8cc
is the SPI component.
Raw dump is the only instruction I am sure has worked in raw mode.
Goslowjimbo: (if you read the logs) at least one problem I can see at a glance:
the SPI rate register value (0) gives a SPI clock (25 MHz) which is too fast for the 7I64
A value of 2 should be used which gives a SPI clock of 8.33 MHz
If I get a chance I'll hand verify the setup and post a working setup script on Monday
pcw_home, do you have a spare 7I64 around?
oh hey, they're for sale now. nevermind
Yes got production boards now plus a proto of you want to play with one
I may want to play around with the USB mode
OK Ill look in ye old junk pile
heh. thanks :)
then again, I may play with the SPI mode instead :)
It does either, just not both at once
hmm. same price a sa 5i20
damn. I never did buy myself a 7i43. I really should get one of those on order
its all the _individually_ isolated I/O, we may make a version with commons on inputs and outputs thats cheaper (isolated at SPI)
do you have 7i43 in stock?
(well, at work, not at home :) )
Yep just got the REV C cards in
cool. 200k and 400k?
great. I'll try to remember to order one on Monday
pcw_home, I think I see an error in the 7i64 manual
page 15 (19 of the PDF), the write example table
the write address is set to 8, not 0 as the text above describes
(the LSB has a 1 in the AI column, probably a copy/paste error)
oh hmm. and the read example too. The AS bit should be 0 to specify "the current address", but it's a 1 in the table
tonight we bored the other two pulleys and milled the other two motor mounts for jepler's servo conversion
everything worked great. I got perfect .749 bores with the boring head. (that never works!)
OK thanks SWPadnos its a copy paste error from the 7I43 manual I think
when a boring head works it is like a victory lap
Ill fix it Monday
around the shop
[04:04:53] <cradek> http://timeguy.com/cradek-files/emc/imag0041.jpg
haha, here's a terrible photo I took while we were making the last one
pcw_home, cool. I'm sure Monday is soon enough :)
in other news - woohoo! I found a place to buy an M19x1.0mm tap
there's one seller on eBay, but they're in the UK and they want GBP 55 each
they're $22.00 here: http://www.victornet.com/
I figured the price would be cringeworthy no matter what
I think that's surprisingly cheap
ouch, their website
but they have an amazing selection of taps
yep. and lots of drills and other things too
oh. they have a reasonable selection of square cutting tools, in carbide and cobalt
at about $1-2.50 each
oh lathe bits?
I like to have a huge pile of those around. I grind them into all sorts of crazy stuff.
oh, maybe I didn't see carbide, but they do have cobalt
I still can't grind carbide... I should get with the times.
look on the "other HS cutting Tools & Blades" -> Fly Cutters page
cobalt may be better for some lathe stuff. it doesn't chip like carbide, but is quite hard
oops. I guess I got the prices wrong too
I gotta say, the illegal fireworks around here are pretty cool!
muwhhaaha I own my nick again
acemi_ is now known as acemi
EbiDK is now known as EbiDK|AWAY
[12:57:02] <BigJohnT> http://www.linuxcnc.org/component/option,com_kunena/Itemid,20/func,view/catid,26/id,486/lang,en/
BigJohnT: I just hand-write my lathe gcode. I wish I had something better but I don't.
on the other hand, I never seem to do complex shapes. one or two arcs or tapers is about as fancy as I ever get.
not much help :-)
I actually started once a dxf to g code for a lathe but it got lost in the shuffle
I'd like emc to have some kind of roughing/finishing cycle
that combined with an extremely simple dxf to gcode (like a slightly hacked REALIZE) would be pretty effective
but, I haven't written it - it's not easy.
my buddy has that on his Anilam lathe
another cool thing he has is chamfer with the MPG
that's easy - you can do it in hal
heh, I guess I just use a file - I did that yesterday
I should set up the hal for it.
he toggles back and forth between X, Z and chamfer to move the tool bit to the work and put a quick chamfer on a part
yeah I'm picturing a 3-way switch by the jogwheel for that
and a knob to set the angle :)
(but you always want 45)
not me, not me :)
45 and 60?
(you can tell I don't machine much, huh)
yeah, I was thinking about 60
60 which way?
for the beginning of a thread you might think you want 60, but I think 45 still works better
I gotta say, the illegal fireworks around here are pretty cool!
Someone setup this one that lasted a full 5 minutes, screamed, and shot up about 40 feet. I think it was a bunch of them chained together somehow, because there was like a 3s pause, then went off again.
I gotta head over there and see if there's a hole in the ground. LOL
pcw_home: Thanks for your kind support. I evidently mis-read the application of the clock generator.
There may be something else happening that I am not aware of. I hadn't tried to work the table or spindle since I started working on the SPI interface.
Since my oldest was home for the 4th, I decided to show off the works. I couldn't get any of the axis to work.
I'll try to research that some today, and see If I can find a solution to at least that portion of the puzzle.
skunkworks: I have been saving up for years to build a new house. Then the economy falls apart, and I found a house for about half it's original price. Didn't feel I could turn it down.
it's funny - mine's value is back down to exactly what I bought it for
Is your garage going to be the machine shed also?
which is great - lower taxes to pay
Yeah, I get to pay a lot more in taxes. This one has 6 bedrooms.
Gotta go now. I'm holding up the festivities. Bye.
cradek: at least it isn't in the red
Jymmm: well I don't care one bit what its value does - it's where I live and that's only important if I want to sell it, which I don't
Well if it goes in the red, you're paying more than it's worth is what I mean.
If your mortgage is $250K and it's worth $200K
fortunately I bought it back when prices were sane
good for you =)
around here ppl were insane paying $1.2M for a $850K home
and are *SO* screwed now.
they're only screwed if it isn't worth $1.2M for them to live there - and if it isn't, why did they buy it for that?
I just don't understand this stuff
They worked for a pharamacutical company and could afford it at the time
housing was hard ti find at the time
I think people were buying houses to get rich (because prices will always increase!!) instead of to have a place to live - they were crazy.
I bought my house from the local lumber yard...
one truck full at a time :)
You beat me to it
Well the land values around here are still obscene... like $650K, improvements $50K
where improvements are the house itself
And that's from the County Assesors records
don't need insurance - if the house burns down you lose 7% of your value...
No, get the insurance, if it burns save the money and sell the land outright
s/awake?/on the planet?/
Well, i guess I should stop screwing around and learn to program this robot
im designing a lathe
Heh, this is to learn python - not a tangible robot.
I see :)
though im doing stiffness calcs.. and to get it stiff enough it'll be $$$$$$
seems like linear slides arent too awesome in small sizes..
Does anyone know if it's possible to make a airflow meter using a 3 wire muffin fan?
I saw some handheld ones, and they look like a muffin fan and a LCD display
sure you can, though it depends a bit if you have a reference to calibrate it against
Heh, that's the problem... no reference
I really want to measure CFM
then you need a reference to calibrate your meter against
A $2 hooker?
mm, or a calibrated meter
haha, if your hooker can blow a known cfm :]
400Nm isnt too shabby..
Took ya long enough to get that =)
but, that's with 5mm deflection
seems like you could use an auto MAF sensor ... somehow
that would work, but he cant calibrate that either :)
cradek: They are $169
heck I could buy a whole car for that
Tha handheld ones are $150
cradek: no doubt
go to the store and try one :D
anonimasu: all I saw were online
[17:06:17] <Jymmm> http://www.goodmart.com/products/1200650.htm
[17:06:34] <anonimasu> http://www.solectro.se/Archive/Documents/Produktblad/LFS-8-3.pdf
can someone look at this and tell me if im getting it right
at 500mm I should have 0.0mm of deflection with 100N loading
Dont those use HDPE ?
Oh V-Groove rollers
we bought this housing crisis - they had already lowered it 60K or so.
(it really was not worth what they where asking initially.
(even during the boom)
no, roller carrige
wow - I think I have heat stroke.
we bought this house *during* the housing crisis
skunkworks: QUICK jump in the freezer for 4 hours!
heh - it really isn't too bad today - as long as you are not directly in the sun
you sure it isn't a hangover? lol
err ball carridge
about 2/3 of the way down for airflow meter discussion
jtr: Was already thinking of using a 3 wire fan, it's finding a refernce that's the issue.
good to know about the "cog" ring though.
Heh, I do like the $3 data logger... http://firstname.lastname@example.org/logger.html
BAH.... "I have not taken the time to calibrate my anemometer before installing it, so I cannot map it's rotation speed to wind speed. However, I'm able to see how the wind fluctuates." http://www.raphnet.net/divers/anemometre/anemometer_en.php
OH so close *sigh*
Calibrate using the speedometer on your car...
* jtr is out to lunch
oh, that didn't come out right...
maybe it did =)
Can MPH be converted to CFM?
[17:51:52] <Jymmm> http://www.scienceforums.net/forum/showthread.php?t=28064
mph has units distance/time, cfm is volume/time. so you're off by a factor of 'area'
if you can measure air speed in mph and you know the area it's going through (like the velocity of the air going through a pipe), you can calculate cfm by multiplying by the cross sectional area of the pipe.
If I get a muffin fan, I could look at the datasheet to get the area of the opeoning
and massaging your crazy american units accordingly, of course
yes, or simply measure the diameter
is there a channel for heekscad?
cradek: you ARE a crazy American unit!!!
Hmmm, I wonder if I could use a fan with known specs as a reference
Would a larger fan (120mm -vs- 60mm) be more accurate?
the center hub on the fan doesn't let air through, so you need to measure that and the hole diameter both
consumer fan and accurate !!!!
I know I need to measure the donut
but does the size of the fan make a difference other than for calibration?
a fan with a 4" hole and 1" hub gives about 12 in^2 area, at 20mph velocity that gives 146 cfm
Since I really want to measure CFM, and not speed, using a larger fan as a sensor seems reasonable.
Or it be like pushing the output of a 20" fan thru a 4" duct.
4" duct WITH an impediment
you should call up your local heating/ac places and see if they would loan you their device
I've seen the guys walk around my office with the thing they hold up to the ceiling vents
a real air flow meter would be best
at least you know it'd be close to right
cradek: That be for calibration I'd think
I have a fan with a known 60 CFM I could use as a pseudo reference at least.
only known if the load is the same
then find a long straight road and see if the 20MPH calcs the same.
archivist: What load? shove the output of the faninto the sensor one
any restriction to flow is a load
archivist: I'm not going to reduce the flow to any less that what the fan is
another being used for measurement IS a load
If the fan is 60mm and I use a 120mm sensor, would make sense that any load would be very minimal
If what that artical says anyway
ah ,, random web article must be right
archivist: DUH... Everything you read on the internet is right silly!
I did a butterfly wing in NURBs :)
I am quoting for an airflow measuring and controlling job
archivist: I'm just trying to get an idea of the effective cooling of a 20" box fan mounted to a 24"x24"x36" enclosed 14U rack
archivist: I'm trying find an alternative to the 3x 15K RPM screaming banshee fans per server.
read specs, get fan measure pressure in the box compare with cfm at that pressure load in the spec
archivist: But I need somethign to READ the pressure first, thus the 3 wire fans
as the pressure rises the fan will stall
stall in the sense of no flow
Yeah, I already shoved the fan on it's face on the ground to measure that factor =)
It has no balls
no hovercraft candidates here =)
I hit 5 stores looking for others, all the same damn Lasko brand - POS
It says it's 3880 CFM, not sure if I trust that at all.
archivist: Like you said... no load it's probably 3880 CFM
BigJohnT_ is now known as BigJohnT
has anyone installed emc2 on ubuntu 9.04
you would need to install the realtime kernel etc, I believe it has been done a few times
why do you want 9.04
its just whats installed on here and it finds my wireless straight away
As in on a laptop?
i know its not good running emc2 on here but i just want simulation on it
you could just use a livecd
but then i have the problem of the wireless card not working on ubuntu 8.04
so plug it in?
its built in
So pug it into your network
works fine on this version just dont seam gto be able to get it to run on 8.04 mind im a novice
problem with plugging it in is that i dont have a p of the routercable longth enough to reach so i would be sat on to
top of the router
good night all
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