#linuxcnc | Logs for 2015-06-09

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[00:08:19] <furrywolf> that took way too fucking long. the eu2000 is ANNOYING to work on.
[00:08:29] <furrywolf> I'll add oil and gas tomorrow and see if it worked...
[00:09:05] <furrywolf> it's built like one of those wooden puzzles with all the pieces with little notches that only fit together one way and in one order.
[00:09:17] <furrywolf> and you have to take out every one of them to get to the timing belt
[00:10:45] <furrywolf> the engine sorta floats in the middle of all these interlocking pieces. it has no frame. the plastic body supports everything...
[00:21:43] <furrywolf> bbl, wolfy bedtime
[02:16:34] <Deejay> moin
[02:18:17] <Crom> Morning
[02:21:07] <archivist> moaning
[04:38:17] <HelloShitty> Morning
[07:50:24] <jthornton> stupid icesneezle thinks a tar.gz file needs to be opened with gedit
[09:09:03] <R2E4_> Hi all...
[09:09:33] <cthompson> you can't prove that
[09:09:38] <cthompson> I mean, um
[09:09:39] <cthompson> hi
[09:09:59] <R2E4_> I am gettting a machine that uses Yaskawa servo drives. I am going to retrofit to Linuxcnc.
[09:11:31] <R2E4_> The drives 0-10v so no problem using mesa 5i25 and 7i77, question is the encoders on the motors go back into the drives, there is an output for encoders and I would think I could send that into encoder input of the 7i77 but wont the two be fighting each other trying to set themselves?
[09:13:05] <archivist> iirc one does velocity and the other position
[09:13:20] <archivist> so less fighting than you think
[09:19:20] <R2E4_> Does it matter which one does what? I would think Linuxcnc would need it for positioning
[09:26:30] <pcw_home> Thats typically how newer drives work, motor has fancy serial absolute encoder that goes only to drive,
[09:26:31] <pcw_home> drive outputs quadrature for position feedback
[09:31:15] <R2E4_> Hi pcw, thanks. My friend just ordered some mesa boards from you. We are going to upgrade his junk mach3 stepper setup to mesa Linuxcnc servo.
[09:33:15] * JT-Shop needs some kind of thing to set the amount of stock that sticks out of the collet on the CHNC
[09:33:44] <archivist> a stop in a tool holder
[09:34:15] <archivist> like us old timers used in a capstan
[09:35:24] <archivist> only works if you leave no pip after parting or have a small hole for the pip
[09:55:02] <archivist> JT-Shop, or are you asking about http://www.rotagriponline.com/index.php?page=shop.product_details&product_id=11102&flypage=shop.flypage&pop=0&option=com_virtuemart&Itemid=29
[09:58:53] <JT-Shop> it could have a hole in the end for the pip
[10:02:54] <archivist> we had a weight in the bar feeder to push it out the collet
[10:04:12] <archivist> the noise of the bar rattling in the feeder.....grrr
[10:16:20] <norias> golly
[10:16:23] <norias> can't spell
[10:18:45] * JT-Shop wishes he had a bar feeder sometimes
[10:20:22] <CaptHindsight> was there some neurotoxin released on the public today? I'm getting the dumbest email questions or responses this morning in recent history.
[10:56:40] <cthompson> CaptHindsight: it's the opposite. People are normally dumb, it's the days they're not that are the rare ones.
[10:56:56] <cthompson> yesterday I asked one of our developers "Do you want A, B or C?" and he replied with "yes"
[10:57:00] <ssi> https://www.youtube.com/watch?v=0-Sf8ohG2aY
[10:57:03] <ssi> holy shit that's a fast machine
[10:57:49] <ssi> skip to 1:30 to see where it transitions from raster to vector
[10:57:54] <ssi> the vector speeds are nuts
[11:00:10] <cthompson> thats astounding
[11:00:39] <ssi> yuss
[11:00:45] <zeeshan|2> wow thats pretty
[11:00:48] <zeeshan|2> whatever that design is
[11:00:56] <zeeshan|2> ssi you dont need 5000 ipm
[11:01:01] <zeeshan|2> 200 ipm is plenty
[11:01:03] <ssi> zeeshan|2: gonna go tell that guy he shouldn't have 6000mm/s?
[11:01:07] <zeeshan|2> LOL
[11:01:09] <zeeshan|2> you got me!
[11:01:11] <ssi> heeheheh
[11:01:26] <ssi> the accel on that machine is immense
[11:01:37] <zeeshan|2> that is hot
[11:01:39] <zeeshan|2> is that on metal
[11:01:40] <pcw_home> not moving much
[11:01:45] <ssi> chalkboard
[11:02:00] <ssi> pcw_home: it makes a couple quick moves all the way across the piece
[11:02:04] <ssi> like cutting the diagonal line
[11:02:06] <ssi> and it's FAST
[11:02:13] <pcw_home> linear motors maybe
[11:02:24] <ssi> like voice coil motors or something?
[11:03:46] <pcw_home> or unrolled BLDC
[11:04:00] <ssi> hm neat
[11:04:17] <CaptHindsight> cthompson: that was funny, similar events today
[11:04:20] <pcw_home> no ball screw inertia
[11:04:48] <pcw_home> no backlash
[11:05:18] <pcw_home> (low force but fine for laser)
[11:05:32] <ssi> http://www.ebay.com/itm/Yaskawa-STF35230M-AC1L-BDB-Servo-Linear-Motor-57-25-Travel-Length-Encoder-/170987551281?pt=LH_DefaultDomain_0&hash=item27cfa6fa31
[11:05:45] <CaptHindsight> 'Gold is $1170/oz, I'd like $20 worth today and how much is shipping?"
[11:05:49] <ssi> want
[11:06:17] <ssi> CaptHindsight: at that price a gram is $37 and gram bars have high premiums
[11:06:49] <ssi> 1/2 gram bars are $33 on apmex
[11:07:03] <CaptHindsight> shrimp, gas, resins etc. it's similar
[11:07:14] <ssi> gram bars are $49
[11:08:13] <CaptHindsight> people only want one or a small amount but don't under stand why they can't just purchase just one slice of an apple
[11:08:42] <ssi> you CAN, but 1/2g is about as small as it gets
[11:08:47] <ssi> and a 1/2g bar of gold is effin tiny
[11:09:07] <CaptHindsight> the apple is $1, why is one slice 50 cents?
[11:09:20] <ssi> they have secondary market 1/2g bars for $29
[11:09:25] <ssi> that's as close as you're gonna get :D
[11:09:36] <CaptHindsight> "but why?"
[11:09:38] <ssi> http://www.apmex.com/product/60865/1-2-gram-gold-bar-secondary-market
[11:09:44] <ssi> economies of scale :)
[11:09:53] <CaptHindsight> but I'm special
[11:09:57] <CaptHindsight> :)
[11:10:06] <ssi> comes with a free participation trophy
[11:10:36] <ssi> here you go
[11:10:36] <ssi> http://www.apmex.com/product/59779/1-gram-silver-bar-secondary-market
[11:10:51] <CaptHindsight> free sticker, fun for all
[11:10:52] <ssi> lol it's $1.49 over spot per bar
[11:11:06] <ssi> 52 cents worth of silver for two bux
[11:12:41] <CaptHindsight> ssi: see but I'm special and I think that you should bear the risk, not me of dividing up anything that you sell
[11:13:03] <ssi> I'm sure you do :D
[11:13:08] <CaptHindsight> lol
[11:15:42] <CaptHindsight> it's like trying to have parts machined but avoiding having to pay any setup costs
[11:16:34] <CaptHindsight> MOQ is 1 part, but the 1st one is going to be $1k, the next 10 are $100ea
[11:16:47] <CaptHindsight> a difficult concept for some to grasp
[11:18:02] <ssi> it's easier to grasp if you quote it as NRE
[11:26:31] <ssi> https://www.popmarket.com/popmarket/ray-parker-jr-run-dmc-ghostbusters-stay-puft-edition/details/33161436?feature-name=today-s-deal&feature=117464441
[11:26:34] <ssi> omfg
[11:26:36] <ssi> it's marshmallow scented
[11:41:48] <cthompson> "What'd you do, Ray?"
[11:41:57] <ssi> I totally ordered it
[11:50:17] <cthompson> ssi: you post a popculture 'splosion of a vinyl record and someone named LikeVinyl times out
[11:50:21] <cthompson> your links are powerful
[11:51:20] <ssi> lololol
[12:35:30] <JT-Shop> anyone have any rental car promo codes? I need to rent a car in Anchorage for a week
[12:43:19] <Jymmm> JT-Shop: which company?
[12:44:00] <Jymmm> JT-Shop: AAA, AARP
[12:44:22] <Deejay> ACME
[12:44:26] <Deejay> ;)
[12:44:43] <Jymmm> Deejay: He said a car, not a rocket
[12:44:53] <Jymmm> nor rocket boots
[12:45:00] <Deejay> oh, my fault ;)
[12:45:08] <Jymmm> =)
[12:46:31] <JT-Shop> the lowest rate company
[12:47:02] <Jymmm> Rent-A-Wreck
[12:47:11] <Deejay> hrhr
[12:47:29] <Jymmm> https://www.rentawreck.com/
[12:47:33] <Jymmm> It's real
[12:48:46] <Jymmm> http://www.carrentalservice.org/California/UglyDucklingRentACar.htm
[12:49:08] <Jymmm> Alaska Rentals http://www.carrentalservice.org/index.php?id_level2=1
[12:51:24] <Jymmm> Uh oh, only a C+ http://www.bbb.org/alaskaoregonwesternwashington/business-reviews/auto-renting-and-leasing/payless-car-rental-in-anchorage-ak-12310/
[12:53:54] <CaptHindsight> ssi: it's more like they want 1 nail vs the whole box
[12:55:40] <ssi> yea I get what you're saying
[13:43:11] <_methods> https://www.dropbox.com/s/3r6xj4s0l54g7nv/2015-06-09%2008.03.16.mp4?dl=0
[13:43:15] <_methods> big lathe on the truck
[13:45:15] <alex4nder> damn
[13:45:45] <_methods> hehe
[13:46:15] <_methods> i always forget to take pictures loading/unloading equipment
[13:46:20] <_methods> i finally remembered this time
[13:46:32] <_methods> i couldn't unloading cause i had to drive the forklift
[13:47:16] <_methods> i should have remembered to bring some charcoal with me to work today
[14:02:57] <Jymmm> 109F yesterday, ouch
[14:03:02] <ssi> charcoal?
[14:03:11] <Jymmm> Sun
[14:03:40] <Jymmm> Big ball of light in sky
[14:04:44] <ssi> _methods: that's a hell of a machine
[14:07:45] <Nick001-shop> And your going to convert it to CNC - Right
[14:08:08] <_methods> hahah no cnc
[14:08:10] <_methods> not on that one
[14:08:20] <_methods> charcoal to make diamonds with
[14:08:27] <_methods> while i was unloading it
[14:18:08] <ssi> lol
[14:18:14] <ssi> what's it weigh
[14:18:18] <ssi> <30k I guess :P
[14:28:34] <_methods> i think just over 30k since the forklift i was on was a 30k and it wouldn't lift it without some help
[14:28:48] <_methods> it wasn't poppin the back end up
[14:28:58] <_methods> but it was close
[14:29:10] <_methods> so probably right at 30k
[14:30:04] <_methods> heavy enough to make sphincter diamonds
[14:47:19] <smartattack> i'm trying to get my first simple cnc running and having some trouble. i built a Gen7 (v1.4.1) and have tried a few firmwares - right now i'm on Repetier v9.1 and whatever gcode i try to load and print i get a stream of "Unknown command" responses (using repetier host but similar in pronterface)
[14:48:03] <smartattack> is this a common issue? I'm afraid I don't know where to start to debug this - the gcode looks valid to my untrained eyes, i've tried several small sample gcode scripts like one that draws a circle... is there a better way to test this?
[14:48:06] <cradek> are you using linuxcnc somehow?
[14:48:24] <cradek> (I don't know what any of those things are)
[14:48:24] * smartattack glances around
[14:48:38] <_methods> lol
[14:48:51] <smartattack> this isn't a general linux cnc channel, i see. :/
[14:48:53] <smartattack> does anyone know of one?
[14:49:01] <cradek> oh haha
[14:49:12] <cradek> linuxcnc is a particular realtime machine control software
[14:49:20] <smartattack> sorry gang - i'm using a non-linuxcnc-cnc
[14:49:24] <smartattack> :>
[14:49:26] <cradek> but I love the word "pronterface"
[14:49:27] <SpeedEvil> Burn him!
[14:49:30] <_methods> you should try #reprap
[14:49:39] <smartattack> thanks, appreciate it
[14:49:43] <SpeedEvil> :)
[14:49:47] <cradek> hope you get it
[14:50:32] <_methods> and it sounds like your not getting good communication with those errors
[14:50:47] <_methods> will it home out or move when you press mdi buttons?
[14:51:03] <_methods> jog/home buttons
[14:51:54] <smartattack> yes, it moves manually and seems to track correctly
[14:52:01] <smartattack> just flubs with any gcode i send it
[14:52:29] <_methods> interesting
[14:52:30] <cradek> is it a serial port or something?
[14:52:35] <_methods> usb probably
[14:52:44] <_methods> 3d printer stuff
[14:53:07] <_methods> not sure what a gen7 is
[14:53:17] <_methods> but i'm assuming a 3d reprap of some sort
[14:53:20] <JT-Shop> lol I got corporate rate at Avis and saved $120 on a weeks rental
[14:53:50] <_methods> wo wnice
[14:54:22] <JT-Shop> I'll probably get tons of offers now at my business
[14:54:51] <JT-Shop> oh I saved $150 counting the reduction in taxes
[15:11:20] <CaptHindsight> pronterface is part of printrun an application for *duinos
[15:13:00] <CaptHindsight> http://www.pronterface.com/ thank you Linuxcnc developers for not considering developing this type of GUI
[15:13:46] <CaptHindsight> http://forums.reprap.org/file.php?279,file=9129,filename=PronterfaceConnect.jpg
[15:14:36] <tjtr33> is the ghost gunner really stiff enuf to mill aluminum?
[15:15:04] <CaptHindsight> doesn't it just poke a few holes?
[15:15:37] <tjtr33> seems to contour
[15:16:21] <CaptHindsight> I think it's like the tooling for the AK47 v3482, 1mm tolerance on everything and still manages to send projectiles in mainly one direction
[15:16:38] <_methods> it's only for 80% recievers
[15:16:47] <_methods> not much machining left to do
[15:17:00] <JT-Shop> good way to waste a few hours try and remember how to communicate with an AB PLC
[15:17:11] <CaptHindsight> http://www.soundonsound.com/sos/dec01/images/cubase1201ohmforce1.l.gif printerface could have been worse
[15:17:49] <_methods> you can buy a 80% jig for like $50
[15:18:04] <_methods> and do the same thing the "ghost gunner" does lol
[15:18:07] <tjtr33> no contouring needed?
[15:18:25] <_methods> i don't think so
[15:18:43] <_methods> think it's all drilling
[15:19:09] <CaptHindsight> "ghost gunner" is also making a few $$ off the same people that think that cnc glue guns will revolutionize manufacturing
[15:19:21] <tjtr33> wait doesnt it interpolate the holes? or is it exactly 2 two supplied endmill sizes (bad use of end mill, drilling )
[15:19:26] <_methods> http://www.ar-15lowerreceivers.com/5-ways-complete-80-lower-receiver/
[15:19:53] <tjtr33> my question is about the machine design stiffness, i got no guns
[15:20:16] <_methods> i think it's a pile of shit
[15:20:23] <CaptHindsight> and at the same time testing the waters to see how close they can get to selling parts that don't have to have a serial number
[15:20:34] <Crom> tjb1, lower can be pretty sloppy.. all the pins are detented
[15:24:40] -wilhelm.freenode.net:#linuxcnc- [freenode-info] channel trolls and no channel staff around to help? please check with freenode support: http://freenode.net/faq.shtml#gettinghelp
[15:24:42] <_methods> some momo on capitol hill sees someone print a gun and goes ermahgerd
[15:24:43] <Crom> it's the us attorneys who want wins on thier cases
[15:24:47] <_methods> its the end of the world
[15:25:12] <_methods> even though the plastic POS will just blow up when you shoot it
[15:25:26] <Crom> I'm still working towards a machine stiff enough to do a 80% to close enough tollerances ..
[15:25:46] <CaptHindsight> _methods: how else do you handle boogeymen? besides groping grandma at the airport?
[15:26:02] <Crom> buffer tube mount is the part that breaks..
[15:26:15] <_methods> hehe indeed
[15:26:53] <Crom> which is why I get AL 6061 or better 80%'s
[15:26:59] <_methods> i can slap together a gun made from parts from home depot with less effort
[15:27:12] <_methods> that will work
[15:27:25] <CaptHindsight> I was tempted to sell a SLA printer with a resin that easily holds up to firing
[15:27:39] <_methods> a spring, nail, and pipe and you got a zip gun
[15:27:51] <Crom> I think I'm gonna go the 30 blackhawk route.. more pow less ping
[15:28:20] <CaptHindsight> with SLA you easily get 25um res (0.002" tolerance)
[15:28:51] <Crom> boldrepublic.com
[15:29:18] <_methods> and if that yoyo from ghost gunner had any brain he could just 3d print a frame that you filled in with a more durable resin to make his gun
[15:29:42] <CaptHindsight> yeah, lots of ways to make em
[15:30:04] <Crom> 5.56mmx45mm .223 remington has too sharp of a impulse for me.. I prefer .308 or 30-06, but I'm not building a AR-10
[15:31:24] <alex4nder> Crom: you mean .300 blackout?
[15:31:57] <Crom> oh yeah blackout
[15:32:01] <alex4nder> I've been thinking the same
[15:32:06] <CaptHindsight> I don't see what the terrorism even is with those, 95% of the serial numbered, professionally made weapons made it past TSA checkpoints
[15:32:08] <alex4nder> I don't want to carry around an AR-10 while hunting.
[15:32:19] <Crom> sorry used to work near blackhawk by Walnut Creek
[15:32:44] <alex4nder> 6.5 grendel is another option
[15:32:51] <alex4nder> but ammo is annoying to obtain
[15:33:48] <Crom> 300 blackout available at walmart
[15:33:58] <alex4nder> yah
[15:34:03] <alex4nder> it's just not a very good round
[15:36:11] <Crom> hmm .30 carbine
[15:36:39] <Crom> just gotta find a Ruger Blackhawk in .30 carbine
[15:46:47] <Computer_barf> hey guys
[15:47:12] <XXCoder> CaptHindsight: there was recent test with TSA
[15:47:19] <XXCoder> 70 items was sent into airports
[15:47:24] <XXCoder> 67 was missed
[15:47:45] <Computer_barf> no big surprise
[15:47:54] <XXCoder> my friend once visited with 3 utility knives by mistake
[15:47:59] <XXCoder> tsa found one but missed 2
[15:48:38] <Computer_barf> this time... this time the government is going to get it right
[15:48:49] <XXCoder> and close tsa? heh
[15:48:59] <Computer_barf> if only we get the right people..
[15:49:01] <XXCoder> any agency is never willing to go away
[15:49:10] <Computer_barf> then we can finally solve the problem of people
[15:50:30] <tjtr33> ghost gunner: 75mm x 140mm x 60mm travels , Nema 17 steppers, 10krpm 115W colleted spindle, 1.7meters/min, 20u stepsize before microstepping.
[15:50:31] <tjtr33> round ways, ball screws (so sayteh the manual about the dual X screws )
[15:51:21] <tjtr33> tiny but stiffer than the drill press-like mini mills
[15:51:25] <Computer_barf> that's a mighty small mill
[15:51:39] <tjtr33> teensy ( the tech term )
[15:54:46] <alex4nder> tjtr33: I'm curious how close they can actually get to 'mil spec' with that kit
[15:55:36] <Computer_barf> im pretty sure the measure was probably , can it work
[15:55:45] <Computer_barf> in terms of carving out blanks
[15:56:10] <Computer_barf> it would be interesting to see photos of surface texture
[15:56:47] <Computer_barf> unfortunantly, the size of the build space , being so small, it seems unlikely the product will be repurposed for many other purposes
[15:57:48] <alex4nder> the biggest problem I've seen people have is with their fcg pin hole position/sizing
[16:00:37] <alex4nder> 'host Gunner is designed to cut deep grooves and thus doesn't need some insanely fast gibberish feed rate to overcome an inadequate design.'
[16:00:38] <Computer_barf> ewww my sentence format was icky in my last statement
[16:00:46] <alex4nder> haha "alright guys"
[16:05:37] <Computer_barf> I think to a certain degree , after having done the liberator, and dark wallet, that ghost gunner , although keeping with the disruptive crypto-anarchist theme, there is more of an ancap aspect to it in that cody probably has to do something that makes some decent funds.
[16:06:12] <Computer_barf> i do expect that it will hardly be the last thing he does
[16:06:17] <Deejay> gn8
[16:06:58] <Computer_barf> dark wallet and liberator were essentially lost leaders
[16:10:50] <CaptHindsight> XXCoder: the news today is "that the agency failed to uncover the terrorist connections of 73 aviation workers when it did background checks of them"
[16:12:17] <Computer_barf> i wonder how direct of connections they mean.. they often play a game of six degrees of separation
[16:12:31] <CaptHindsight> no reports of how many children or grandmas were groped in the process
[16:12:49] <XXCoder> connection does not mean actove
[16:12:54] <XXCoder> *active but yeah
[16:12:58] <CaptHindsight> https://www.oig.dhs.gov/assets/Mgmt/2015/OIG_15-98_Jun15.pdf
[16:12:59] <XXCoder> should have known
[16:14:03] <CaptHindsight> http://www.nbcnews.com/news/us-news/tsa-fails-identify-73-employees-terror-watch-lists-n371601
[16:18:31] <Computer_barf> i recently discovered that magnatrons have two big magnets in them (duh, how did i miss that), which has been quite nice to me in the something to stick tools on the wall department
[16:22:02] <Computer_barf> oh anyway , i described my audio speakers and small amplifier , and was wondering about the potential negative effects of speakers in proximity to components in my control box
[18:01:25] <Computer_barf> XXCoder: https://www.youtube.com/watch?v=7TEq1iyifpQ
[18:09:24] <tjb1> Serious question here, any reason I couldn't use water in a braking system? Note it is not in a car and won't be under any heat
[18:10:03] <_methods> you should be able to use any fluid
[18:10:14] <_methods> just some have "better" properties than others
[18:10:59] <tjb1> Which would be best at preventing corossion, distilled or deionized?
[18:11:01] <_methods> and better is obviously situationally dependent
[18:11:19] <tjb1> corrosion sorry
[18:11:23] <_methods> well deionoized i believe
[18:11:36] <_methods> but i'm no expert
[18:11:53] <_methods> probably want to chemically treat it if it will be in a system for any period of time
[18:12:00] <_methods> to prevent bio
[18:12:15] <tjb1> maybe use the water in liquid cooling for computers?
[18:12:46] <_methods> no idea
[18:13:09] <_methods> i've never tried to use water for a braking system and you haven't provided a whole lot of info about the actual application
[18:13:18] <_methods> so any info i provide is purely speculation
[18:13:53] <tjb1> handbrake on racing simulator
[18:14:06] <tjb1> pretty much this - http://i962.photobucket.com/albums/ae109/derekashley1967/HydHB/dsdhydhb.png
[18:15:46] <_methods> hehe cool
[18:16:51] <tjb1> wonder what I could add to the water to keep the seals nice
[18:17:47] <_methods> i don't see why water wouldn't work for a system that size
[18:18:12] <_methods> should make it easy to maintain
[18:18:29] <_methods> http://hydraulicspneumatics.com/200/TechZone/HydraulicFluids/Article/False/6452/TechZone-HydraulicFluids
[18:18:58] <_methods> you don't have to worry about it freezing as long as you keep it by your computer lol
[18:19:26] <Rab> tjb1, water is problematic because of its low boiling point.
[18:19:31] <tjb1> no worry of spilling it either
[18:19:39] <_methods> for his application it's perfect
[18:19:45] <_methods> no heat no cold
[18:19:49] <_methods> small system
[18:20:36] <_methods> for a system that size i wouldn't even worry about bacteria/bio
[18:20:42] <_methods> i'd just flush it every couple weeks
[18:20:50] <tjb1> lol
[18:20:55] <_methods> or empty it when you won't be using it for prolonged periods
[18:20:55] <tjb1> ill flush probably never
[18:21:10] <_methods> that too
[18:21:12] <_methods> heheh
[18:21:55] <Rab> tjb1, any reason not to use a light silicone or mineral oil?
[18:22:23] <tjb1> well from what I understand, mineral oil still stains carpet and such
[18:23:09] <Rab> Why is the system hydraulic at all, instead of using a proportional sensor right on the lever?
[18:23:36] <tjb1> like a potentiometer?
[18:24:08] <Rab> Well, what's reading the pressure for input to the simulator?
[18:24:23] <tjb1> Pressure Transducer to Teensy 3.1
[18:25:04] <Rab> Yeah, seems like you could just use a pot.
[18:25:25] <_methods> apparently you don't understand racing sim people
[18:25:30] <tjb1> but what gives you tension then?
[18:25:38] <Rab> tjb1, add some springs.
[18:25:41] <tjb1> I was going to go the pot route but giving tension to the arm is the problem
[18:25:49] <tjb1> Rab: so when I let go of it what happens?
[18:25:49] <Rab> _methods, definitely not.
[18:26:07] <_methods> they go to great lengths to create "realism"
[18:26:15] <tjb1> this isnt about realism for me
[18:26:22] <tjb1> its cheaper for me
[18:26:24] <Rab> tjb1, the spring returns the lever?
[18:26:32] <tjb1> Rab: at a high rate of speed
[18:27:21] <tjb1> I even printed the handle - https://www.dropbox.com/s/6ezkiqbsgnduq5o/2015-06-01%2021.51.46.jpg?dl=0
[18:27:48] <tjb1> but a cost effective controlled return to home is what stopped me
[18:27:54] <Rab> _methods, mere water can't hope to authentically imitate the compressibility of genuine DOT-certified hydraulic braking fluid.
[18:28:34] <_methods> did i ever say that?
[18:28:58] <_methods> he asked if you could use water
[18:29:01] <_methods> i said yes
[18:30:01] <tjb1> ill try it, if it doesnt work ill move to baby/mineral oil
[18:30:02] <Rab> I think it's OK too. But I would definitely use corrosion inhibiters. Whatever devil-juice the PC watercooling people favor.
[18:30:28] <Rab> Or even plain old antifreeze.
[18:30:33] <tjb1> biggest concern now is the clusterf of fittings I need to hook things together
[18:30:41] <_methods> yeah it's a nice little system so it's easy to try whatever you want
[18:30:54] <_methods> like you have to dump 50 gallons of hydraulic oil
[18:31:30] <_methods> not like you have to dump 50 gallons of hydraulic oil
[18:32:34] <_methods> hell you could probably use a gas shock
[18:32:44] <_methods> gas spring
[18:32:59] <tjb1> Rab: If you know of a way to return the brake to 0 quickly and controlled to where it doesnt slam hard, please share
[18:33:47] <Rab> tjb1, what's the mechanism by which a real braking system accomplishes that?
[18:34:12] <tjb1> Rab: really nothing but I'm not sure 3D printed parts would take that abuse very long
[18:34:25] <tjb1> nor the pot measuring rotation
[18:39:02] <zeeshan|2> http://i.imgur.com/1wM6ST7.jpg
[18:39:10] <zeeshan|2> GOOD ol technique
[18:39:15] <zeeshan|2> works when no lathe is around
[18:41:09] <tjb1> by the time I screw around with a pot and springs and something to cushion it im already at the cost of a ready made handbrake
[18:41:19] <zeeshan|2> tjb1: whats wrong with brake fluid
[18:41:26] <tjb1> stains
[18:41:43] <zeeshan|2> use dot5
[18:41:51] <zeeshan|2> silicone based
[18:42:11] <tjb1> what is benefit over water?
[18:42:20] <zeeshan|2> how much psi
[18:42:27] <tjb1> im not sure
[18:42:44] <Rab> tjb1, what I'm getting at is, how will the water system give you springiness/cushioning?
[18:43:18] <tjb1> Rab: probably add this pull cylinder with the rubber bushings - http://i962.photobucket.com/albums/ae109/derekashley1967/HydHB/dsdhydhb.png
[18:43:36] <tjb1> the red parts
[18:43:44] <zeeshan|2> what size is that master
[18:43:58] <zeeshan|2> 500 psi sensor
[18:43:59] <zeeshan|2> ah
[18:44:03] <zeeshan|2> i think water will be fine
[18:44:09] <zeeshan|2> just mix it with some glycol
[18:44:14] <zeeshan|2> or water wetter
[18:44:47] <zeeshan|2> or just use distilled water
[18:45:01] <zeeshan|2> you aint gonna crash if your system fails :D
[18:45:08] <tjb1> lol no
[18:45:26] <zeeshan|2> tjb1: did you see the pedal i made
[18:45:34] <tjb1> no
[18:45:37] <Rab> Hydraulic systems are used specifically for the low compressibility of the fluid. Any springiness in the system is either intentional (usually springs) or inadvertent (line flex, etc). That cylinder pulls because it has a spring inside.
[18:45:44] <zeeshan|2> http://imgur.com/a/lm8k9
[18:45:59] <zeeshan|2> at 500 psi, water is pretty incompressible :D
[18:46:37] <tjb1> I figure the pull cylinder is needed
[18:46:45] <tjb1> with the bushings for some type of feel
[18:47:08] <tjb1> nice pedal zeeshan|2
[18:47:57] <zeeshan|2> thanks man
[18:48:40] <tjb1> zeeshan|2: I have a Obutto R3volution coming tomorrow
[18:49:16] <zeeshan|2> expensive rig!
[18:49:16] <zeeshan|2> :D
[18:49:45] <tjb1> only live once!
[19:02:01] <zeeshan|2> need help. 0.5 Vdc to 4.5 Vdc ratiometric from 5 Vdc excitation ....... VS.............. = 0.5 Vdc to 4.5 Vdc regulated
[19:02:23] <zeeshan|2> does ratiometric just mean that fluctuations in excitiation/supply voltage does not effect the pressure reading
[19:02:31] <zeeshan|2> cause it will ratiometrically adjust
[19:13:20] <SpeedEvil> It means that if it outputs 2.5V at Vs=5V, it will output 2.4V at Vs=4.8
[19:13:42] <SpeedEvil> So if you use an ADC with a reference voltage fed from Vs - it all works
[19:29:57] <tjb1> thats for help _methods
[19:49:24] <_methods> sure
[19:49:31] <_methods> not sure how i helped though lol
[20:05:22] <Computer_barf> im trying to run ifconfig to figure out my ip address, it seems to have changed
[20:05:41] <Computer_barf> as i recall its not ifconfig on debian but some other command
[20:06:24] <toastyde2th> it's ifconfig on debian
[20:06:42] <toastyde2th> only works as root/sudo
[20:07:37] <cthompson> in theory
[20:07:46] <cthompson> try "ip addr"
[20:08:03] <toastyde2th> show
[20:08:10] <cthompson> redhat 7 doesn't ship with ifconfig, which caught me by surprise
[20:08:16] <cthompson> you have to install it
[20:08:57] <cthompson> ip addr is there on my ubuntu 14.04 box
[20:09:22] <cthompson> and if there, ifconfig should not require root to display
[20:09:31] <cthompson> only to make changes
[20:10:01] <toastyde2th> ifconfig is by default not in the path as non-root
[20:10:39] <cthompson> oh, heh
[20:10:54] <cthompson> /sbin/ifconfig will work though, it's not a perm issue
[20:10:55] <toastyde2th> and ifconfig is installed by default even on the most minimal debian installs
[20:11:34] <cthompson> I've carried my custom bashrc around for so long I forget that I have /sbin and /usr/sbin in my path
[20:12:02] <cthompson> toastyde2th: that was why I was surprised, RHEL7 box, typed ifconfig, got "not found"
[20:12:21] <toastyde2th> what's your install source
[20:12:33] <toastyde2th> b/c ifconfig is not on the rhel7 minimal/netinst
[20:12:43] <cthompson> might have been minimal
[20:12:44] <toastyde2th> but is included by default if you use the installation media
[20:13:04] <Computer_barf> toastyde2th: /sbin/ifconfig worked
[20:13:08] <cthompson> this was an iso fake mounted and installed into a vmware guest to try and build a template
[20:13:24] <cthompson> all our stuff is still RHEL6 so it's not a huge issue
[20:13:49] <cthompson> we're still vendor locked on stuff, 7 is a ways off
[20:14:38] <cthompson> I'm not looking forward to it
[20:14:48] <cthompson> I'm an old dog, and systemd is decidedly a new trick
[20:15:13] <cthompson> I sat through all the talks at last year's redhat summit in San Fran and am still unconvinced
[20:16:22] <toastyde2th> i am trying to get the fuck out of system administration but i won't be able to for awhile
[20:16:49] <toastyde2th> and on top of that I'm predominantly windows, despite liking/working with linux better
[20:17:00] <toastyde2th> #firstworldproblems
[20:17:19] <cthompson> toastyde2th: I've been a linux/unix sysadmin for 20 years, at some point I realized I can't make the same money anywhere else
[20:17:24] <cthompson> so sysadmin it is
[20:17:43] <cthompson> I don't have the temperament to code
[20:17:43] <toastyde2th> i've got a few years to see
[20:17:56] <toastyde2th> I have a background in ultraprecision engineering and machining, so I am trying to go in that direction
[20:17:59] <toastyde2th> since I actually enjoy it
[20:18:32] <toastyde2th> NIST has a job up for 150k that's basically R&D manufacturing engineering for the scientists
[20:18:37] <cthompson> my child support payments are too large for me to take risks :)
[20:18:41] <toastyde2th> haha, understood
[20:19:00] <cthompson> though as they age it's less child support and more "kids in college"
[20:19:54] <toastyde2th> got a vasectomy 2 years ago at 27, so hopefully going to dodge that entire gauntlet
[20:20:41] <cthompson> I didn't get snipped until after there were three kids
[20:20:58] <cthompson> and that was because the third one nearly killed my ex wife more than anything
[20:21:08] <cthompson> kids, man
[20:23:23] <toastyde2th> ouch
[20:25:28] <cthompson> I wish there were a way to get stats out of youtube
[20:25:45] <toastyde2th> ?
[20:25:53] <cthompson> because I think I've now watched more hours of John Grimsmo building knives on his Tormach than anything else I've ever watched
[20:25:58] <toastyde2th> hahaha
[20:27:55] <cthompson> thing is, I'm not even a knife guy
[20:28:19] <cthompson> the only reason there's a knife in my backpack is because I found a Ken Onion Leek on the ground in a parking lot
[20:30:02] <toastyde2th> making shit is cool, i think that's justification enough eh?
[20:30:26] <cthompson> yep
[20:30:37] <cthompson> my friends and I refer to it as "process pornography"
[20:36:59] <malcom2073> I've watched more hours of "how it's made" than I care to actually admit to
[20:38:13] <cthompson> I think I've watched the hour long "Tour Adam Savage's Workshop" video four times
[20:39:47] <zeeshan|2> SpeedEvil: sweet!
[20:39:49] <zeeshan|2> thanks
[20:39:49] <zeeshan|2> !
[20:40:06] <zeeshan|2> http://ca.mouser.com/ProductDetail/Honeywell/MLH050PGP06A/?qs=sGAEpiMZZMvhQj7WZhFIAKF%2fsywqpPN6BWl0sQzmSz0%3d
[20:40:11] <zeeshan|2> this sensor looks good on paper
[20:40:20] <zeeshan|2> beats the omega sensors by a mile
[20:46:51] <Valen> cthompson: I like his rack of bolts
[20:50:35] <cthompson> Valen: I covet his rack of bolts
[20:51:16] <cthompson> I lost my shop in the divorce. All my tools have been in a storage locker for six years
[20:51:31] <Valen> oooh sucky
[20:51:32] <cthompson> so I have to watch other people make things
[20:58:18] <furrywolf> yay! the eu2000i I just put the timing belt in runs great
[20:59:15] <furrywolf> going to do a few minor things while it's apart, like replace the pull cord (it's a little worn, might as well replace it while I already have the covers off) and wire brush the cooling fins, then button it back up.
[21:03:19] <SpeedEvil> furrywolf: :)
[21:04:28] <furrywolf> why hasn't science invented a rope that doesn't suck?
[21:05:12] <furrywolf> heh, one of the eu3000s someone had used paracord for the pullstart... which, as always, failed miserably. the outer jacket frays quickly, then the inner cores catch and shred.
[21:07:23] <furrywolf> don't use a jacket-and-fluffy-cores rope for your pullstart!
[21:08:33] <furrywolf> somehow I can't imagine the problem is that we can't make lifetime pullcords, but that we don't.
[21:09:20] <malcom2073> Like many things, it's more worth it to spend 5 cents on one that frays after a while, than 10 cents on one that lasts forever
[21:09:27] <furrywolf> we can make a v-belt last 200,000 miles on a hot engine with several horsepower going through it, but we can't make a rope last more than 100 pulls by hand?
[21:10:45] <furrywolf> especially for honda, who tries to make sure you take everything to one of their authorized dealers, where they get to charge an hour of shop time to replace the $1 rope.
[21:11:10] <malcom2073> Oh man I found a generator I think I love more than the eu2000's we use at work
[21:11:19] <furrywolf> oh?
[21:11:22] <malcom2073> http://media.wix.com/ugd/931200_e15cc0f7637843208c448e88ac8032b1.pdf
[21:11:31] <furrywolf> I've never had an eu2000 before... this is my first one.
[21:11:32] <malcom2073> We got one of them and I got to try it out today
[21:11:49] <malcom2073> Very similar size and shape to an eu2000, but quieter
[21:12:14] <furrywolf> it's diesel? cute
[21:12:30] <malcom2073> Multi-fuel. We run it on a diesel/gas 50/50 mix
[21:12:30] <furrywolf> oh, flex-fuel just means propane
[21:12:38] <malcom2073> Runs on almost any fuel
[21:12:54] <furrywolf> fun
[21:12:59] <malcom2073> I'm not entirely sure *how*
[21:13:03] <Jymmm> eu2000 needs kit for tri-furl
[21:13:22] <malcom2073> Ours doesn't have the kit for gaseous fuels, only liquid
[21:13:41] <Jymmm> It's like $250
[21:13:51] <malcom2073> I can't imagine it's that cheap for this thing
[21:13:56] <malcom2073> I should ask
[21:14:05] <furrywolf> if I ever get around to getting a m35, it'll be one of the ones with the white multifuel... I don't need to go over 50mph, but I'll be able to go that 50mph on diesel, kerosene, gasoline, paint thinner, motor oil, veggie oil, brake fluid (yes, I met someone who burned glycol brake fluid in one!),...
[21:14:30] <malcom2073> Yep furrywolf, that reads lke the fuel label on this thing. It's amazing
[21:14:41] <malcom2073> It feels like it's a yamaha EU2000
[21:14:48] <furrywolf> it's probably just a pretty standard diesel engine design
[21:14:50] <malcom2073> But that's a pure gas motor... not sure what they had to do to convert it
[21:15:04] <Jymmm> HOLY FUCKING SHIT... $9,500
[21:15:07] <malcom2073> haha yeah
[21:15:24] <malcom2073> Government ftl
[21:16:44] <furrywolf> diesels are really good at burning random fuels... the tricks are adjustments (on the m35, it's a big lever on the side of the fuel pump), and injection pump lubrication. for example, to run gasoline on the m35, you're supposed to mix in a quart of motor oil for every 10 gallons of gas or something. I don't remember the exact ratio. otherwise you wear out the injection pump. moderns materials have eliminated this problem...
[21:17:21] <Jymmm> Honestly, I'd still do the EU2000 + tri-fuel kit. They are proven, easy to repair/mod, parts are easilt found.
[21:17:22] <furrywolf> heh, a guy about a mile from here was burning ROAD TAR in his multifuel.
[21:17:23] <malcom2073> Yeah, this is probably diesel engine based, they said to run on gasoline you should mix in at least some diesel heh
[21:17:41] <furrywolf> yeah, so they still have the same injection pump lubrication issue.
[21:18:12] <furrywolf> the diesel isn't to aid combustion, it's to provide some lubrication to the pump...
[21:18:20] <malcom2073> Makes sense
[21:18:35] <furrywolf> he melted the road tar (in a scary operation involving a 55 gallon drum over an open flame), mixed it with diesel until it resembled something that might be pumpable, then dumped it into his truck.
[21:18:40] <malcom2073> Hmm nope, if it's the MZ80 engine as the spec sheet says, that's a gasoline engine
[21:20:24] <furrywolf> hrmm, none of my generators are woodland camo... I have spare paint... but the camo paint I have dissolves the second you get gasoline on it. found this out on my truck. heh.
[21:20:55] <Jymmm> furrywolf: You JUSt got an EU2000?
[21:20:57] <malcom2073> I'm gonna see if they'll let me take the covers all off and see if I can figure out what they changed. If it's possible to run the MZ80 engine on diesel with minimal modifications (maybe they decked the head for higher compression?), it'd be worth figuring it out.
[21:21:19] <furrywolf> Jymmm: I got it a couple weeks ago, just fixed it last night, and started it today.
[21:21:47] <Jymmm> furrywolf: LOVE THIS THING http://www.ebay.com/itm/Honda-EU1000i-EU2000i-GENERATOR-NO-MESS-OIL-CHANGE-/230564791455
[21:22:16] <furrywolf> hrmm, yep, the 2000 hour supply kit includes 6 spark plugs.
[21:22:26] <Jymmm> furrywolf: and it snaps into a pocket just inside the cover, left side.
[21:22:36] <malcom2073> Ah I needed that link Jymmm haha, I'm gonna convince work to buy a set of them
[21:23:07] <Jymmm> malcom2073: I have oil pre-measured out in soda bottles.
[21:23:32] <Jymmm> malcom2073: Use a 2L bottle for waste oil
[21:23:52] <Jymmm> malcom2073: fastest oil change ever!
[21:23:53] <furrywolf> how many oil changes do you do to need pre-measured oil?
[21:24:00] <malcom2073> Jymmm: We have like, 6-7 generators, so easier to just pour it out of the bottle heh
[21:24:14] <Jymmm> furrywolf: Every 8 hours of continous use.
[21:24:18] <malcom2073> Heh wow
[21:24:19] <malcom2073> hardcore
[21:24:29] <Jymmm> damn right..
[21:24:32] <furrywolf> ... you're missing a zero or two.
[21:24:44] <Jymmm> it's the one thing that'll kill an engine.
[21:25:04] <Jymmm> oil is cheap
[21:25:15] <Jymmm> 2.5 changes per quart
[21:25:32] <furrywolf> the eu2000i manual says 100 hours.
[21:25:39] <malcom2073> lol
[21:25:55] <furrywolf> eh? I dumped it well over half a quart to bring it up to the level of the plug.
[21:26:43] <Jymmm> It's been a while
[21:27:24] <furrywolf> mine could have been abnormally low, since I had the block apart and degreased... no little pockets of oil left.
[21:27:56] <malcom2073> This reminds me that I need to do a full service on my generator
[21:28:09] <furrywolf> malcom2073: ever done a timing belt on an eu2000i?
[21:28:16] <furrywolf> first step: remove EVERYTHING.
[21:28:20] <malcom2073> furrywolf: I've not, ours don't have *that* many hours on them haha
[21:28:36] <malcom2073> We typically destroy them before they get that old
[21:28:42] <Jymmm> Oil capacity: 0.42 US qt (0.40 )
[21:28:57] <furrywolf> all the outer panels, all the internals, all the cowling, the motor mounts,...
[21:29:06] <malcom2073> Ew heh
[21:29:23] <furrywolf> the block splits along a 45 degree diagonal. it doesn't have separate end plates like many other honda motors.
[21:31:37] <furrywolf> the actual belt process isn't that hard... split the block, remove the oil slinger etc, remove the cam pin, remove the cam, stuff the belt in, put cam pulley in belt, put belt around crank (squishing cam into rockers for extra belt length), install cam pin, put block back together...
[21:32:00] <furrywolf> it's removing and reinstalling every single other part of the generator to get to the block that sucks
[21:32:56] <furrywolf> they're built like those 3d wooden puzzles with all the little bits of wood with notches that only go together in one order...
[21:33:49] <furrywolf> http://kubiyagames.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/3/d/3d_square_cube_iq118_1.jpg that's how an eu2000 goes together.
[21:42:57] <furrywolf> I wonder if they're doing the old hit-and-miss practice of vaporizing the fuel with hot exhaust or such...
[21:50:13] <furrywolf> yep! heh. that was used to make old engines run off kerosene... but it always had constant problems with buildup on the vaporizer tubes and such requiring constant maintenance, non-existant cold start performance, etc.
[21:51:36] <furrywolf> so either it's unreliable, or they're perfected a method of vaporizing the fuel without any buildup issues.
[21:55:19] <FinboySlick> furrywolf: Got basic plans for one of those wooden puzzles? I'd kind of like to build one of those, just for practice's sake.
[21:55:43] <furrywolf> bbl, enough researching flex-fuel generator, back to working on the eu2000i.
[21:55:47] <furrywolf> FinboySlick: nope
[21:56:16] <furrywolf> make yours out of aluminum. :P
[21:56:25] <FinboySlick> That was the plan.
[21:56:27] <FinboySlick> Or steel.
[21:56:38] <FinboySlick> It'd be a great little desk toy.
[21:58:32] <furrywolf> hrmm... interesting! apparantly a diesel fuel vaporizer is now an off-the-shelf commodity part, used for regenerating diesel particulate filters.
[22:54:50] <tjtr33> anyone have linux based IPT ( inventor) file viewer?
[22:54:58] <tjtr33> No WebGl on firefox or chromium with Ubuntu 10.04.
[22:55:00] <tjtr33> I ended up using a chromebook that allowed WebGl then used Autodesk's online viewer.