I'm taking a undergraduate project management course and for a writing assignment I need to interview either over the phone or via email someone that is in my...
3240
Techniker der übe...
kb6okh
Feb 3, 2009 8:15 pm
oops ... I completely missed the 0.125 thickness .... spark would only work where the hole diameter exceeds the substrate thickness. otherwise .... you'd want...
3239
Dan Larson
dlarson4563
Feb 3, 2009 8:10 pm
There are many utilities available for Ubuntu for this. I've used transcode before to rip tracks off a DVD. transcode comes from the...
I don't mean to waste your time with a distraction, just brainstorming here.... the complexity of the electronics would depend on the desired repetition rate...
3236
Martin, Jeff
mart0784umnedu
Feb 3, 2009 5:40 pm
________________________________ From: Foss, Debbie [mailto:Debbie.Foss@...] Sent: Tuesday, February 03, 2009 11:38 AM To: Martin, Jeff Subject: RE: 50...
3235
bruce shapiro
taomc57
Feb 3, 2009 2:33 pm
Let's see-- 100coulombs/ .01 sec = 10,000 amps! That sounds like it would take some pretty serious hardware. Would it? I'm open to all ideas, and if...
3234
Jeff Sampson
jws8675309
Feb 3, 2009 3:46 am
... Oh, That reminds me of something. I think the big video files on a DVD are actually mpeg. I think you can just rename the extension to .mpg and then see if...
3233
Alan Kilian
alankilian
Feb 3, 2009 3:35 am
Folks, I've been trying to figure this out and I can't. Is there a free (or less than $30) way to convert the data on a DVD to a wvm or mp4 (320x240) format so...
3232
Brynn Rogers
tonkabot
Feb 3, 2009 2:32 am
I am not sure a big spark would make a small hole, but how about EDM? That can make very small precise holes, and I bet would work better then carbide drill...
3231
Techniker der übe...
kb6okh
Feb 3, 2009 2:21 am
Lazer might not work, but, what about 100 coloumb of electrons ? In 10 milliseconds ? probably need to vacuum out the fumes though ......
3230
Rich Chandler
cityelephant
Feb 3, 2009 12:02 am
This is cool! Locae in a four block region - what sort of RFID are you using? I'm used to some with ranges up to 50 cm.  Rich ... From: Jean-marie...
3229
Rich Chandler
cityelephant
Feb 3, 2009 12:00 am
If the copper gets work hardened, might it be possible to anneal it and get back to nice soft copper that merely gums up the drill bit? Can you switch to...
3228
Rich Chandler
cityelephant
Feb 2, 2009 11:58 pm
What would be done at this table? Demos, explanation, or commerce?  Rich ... From: Bill, Grumble <grumbly@...> Subject: Re: [tcrobots] eggbot ->...
3227
bruce shapiro
taomc57
Feb 2, 2009 11:08 pm
Thanks, Jeff. On their site, I found a speed/feed chart-- http://www.kyoceratycom.com/pdfs/80K_FS_CIC_Multiple_CLs.pdf What does the "Retract" parameter mean?...
3226
Bill, Grumble
laserfur2
Feb 2, 2009 10:51 pm
... You can buy re-sharpened used bits. ... yes I do I also still have the plastic you bought earlier. ... I think the chassis design looked quite well. We...
3225
Martin, Jeff
mart0784umnedu
Feb 2, 2009 10:47 pm
I used to work for these guys http://www.kyoceratycom.com/ It is best to buy them in the std 50 pack. The price should be around $1.25+/-$0.25 per bit? ...
3224
bruce shapiro
taomc57
Feb 2, 2009 10:38 pm
... Speaking of which, do you still have some open laser time? I'm starting to think about the next Maker Faire (late May). My son is interested in seeing if...
3223
bruce shapiro
taomc57
Feb 2, 2009 10:28 pm
The vessels (which look a lot like ceramic pots) vary in size, from maybe a diam. of 6" to more than 18". The shapes also vary, but all have cylindrical...
3222
Martin, Jeff
mart0784umnedu
Feb 2, 2009 10:15 pm
I would buy a carbide PCB drill bit. The will last for 2,000 to 3.000 holes when drilling 4 to 6 layer circuit boards. What diameter are these "Vessels" ...
3221
Brynn D. Rogers
tonkabot
Feb 2, 2009 9:55 pm
If you can get some kind of block or die lined up on the inside, a punch would be the ticket. Some kind of air cylinder could easily poke a punch through,...
3220
Bill, Grumble
laserfur2
Feb 2, 2009 8:44 pm
... One suggestion is to use a "back cut" "high angle" bit. you could also use a lube pump to flush the cuttings away faster. This would allow faster drill...
3219
bruce shapiro
taomc57
Feb 2, 2009 8:09 pm
Hi gang, I just met with a local artist who is doing some interesting work with copper vessels. She wants to attach beads of various sizes to the vessel wall,...
3218
Jean-marie Bertoncelli
jmbertoncelli
Feb 2, 2009 7:09 pm
Hello every body, my RFID project has been published! http://www.parallax.com/tabid/725/Default.aspx have a great day. jm. Hello every body, my RFID project...
3217
Alan Kilian
alankilian
Feb 2, 2009 4:20 pm
Folks, I'm certainly interested in supporting this. I'll keep Nick informed is anyone else wants to participate. This kind of thing was REALLY FUN when we did...
3216
Bill, Grumble
laserfur2
Feb 2, 2009 3:32 am
some random notes 1. oops. I was wrong. Electrowinning is the correct term. http://electrochem.cwru.edu/ed/encycl/art-m02-metals.htm 2. my attempt to turn a 5...
3215
Alan Kilian
alankilian
Feb 1, 2009 11:09 pm
... And, we've got our first new member request to the Yahoo group list! -Alan...
3214
Alan Kilian
alankilian
Feb 1, 2009 10:59 pm
... I also just caught it by accident! That was fun to see in its final form after watching them tape it for two days at about 1/100th speed. -Alan...
3213
Jeff Sampson
jws8675309
Feb 1, 2009 10:31 pm
I see the Make Magazine robot episode is on right now. I caught it by accident. They claim the episodes are archived on their web site: http://www.makezine.tv/...
3212
Matthew Edelman
matthewedelm...
Feb 1, 2009 8:57 pm
Lewis, Not sure if I wrote down your email address wrong, or you haven't had a chance to reply (which is fine), but when you get a chance can you send me the...
