It has been a bit since I have done much roboting, I got diverted to Model Warship Combat. Still doing that but I have made a couple of discoveries that would...
Peter I don't suppose you can post pictures of the finished product can you? I know it's not robotic (yet ;) ) but I'd like to see it anyway. Terry ... From:...
Terry Schumacher
Terry.Schumacher@...
Nov 6, 2007 5:16 pm
1182
I am considering selling my Milling machine. I have a medium sized 2hp Mill/Drill. It is essentially the same as the Grizzly G1006 ...
Terry, I have a few pictures online, I'll have more pictures in the middle of winter. http://workspace.wamnet.com/~pellison/MWC/ What is up is last winter's...
Dave, Likely your next mill will be R8 that is a pretty common sized mill taper for smaller mills, so you would not need to get new tooling. That is a lot of...
... So, is #25 the way to go for a chain driven 'bot, say about the size of Jeff's current project? I've been wondering about using bicycle sprockets but it...
My droids have come a long way since I visited a meeting at the Science Museum several years back. Those who I met there may remember how slow my R2-D2 was not...
You could also try XL sized timing belts. ________________________________ From: tcrobots@yahoogroups.com [mailto:tcrobots@yahoogroups.com] On Behalf Of Pete...
... Some of the Axman stores still have various scooter wheels. And those big motors from the scooters. (Bill says the motors are 12V fan blower motors from...
Jeffry Sampson
jsampson@...
Nov 8, 2007 1:48 am
1191
Man, that really turned out nice. What are some of the details? Did you go with scooter motors and wheels? Did you use off-the-shelf R/C motor controllers? Is...
Jeffry Sampson
jsampson@...
Nov 8, 2007 1:54 am
1192
Jeff, Thanx. All of the details are scratch built from aluminum & brass, except for ONE piece from another builder. The holoprojector for example is an ...
... I've got ~80rpm @ 22VDC gearhead motors with 10mm shafts. Based on our conversations, I'm aiming for a mechanical limit of under 3 feet/sec, and plan to...
... Fantastic! Are your 'droids going with the exhibit? http://www.smm.org/comingsoon/ Star Wars: Where Science Meets Imagination June 13, 2008 - August 24,...
We were (and still are ongoing) invited to volunteer our time to run the 'bots around during the exhibit's stay at the museum on weekends. It is quite a drive...
The advantage of using timing belts is that they run with no backlash, they do not require messy lubrication, they run quietly, they do not stretch over time,...
Not entirely true. Timing belts do have backlash, but it is much less than chains. Also they can go at much higher speeds than chain. Chain drives can take...
William Crolley
w.crolley@...
Nov 8, 2007 3:52 pm
1199
Timing belts do have backlash - Yes that is true. I removed the "virtually" from: The advantage of using timing belts is that they run with VIRTUALLY no...
... I could, but it is close enough for the moment. ... I don't see much backlash until I get the whole thing put together. And most of it seems to be the...
Jeffry Sampson
jsampson@...
Nov 8, 2007 4:47 pm
1201
... Everyone can add links to the tcrobots yahoo group location: http://tech.groups.yahoo.com/group/tcrobots/links That way we don't have to wade through old...
... http://www.allelectronics.com/cgi-bin/item/CGB-384/search/COGBELT_FOR_ELECTRIC_SCOOTER_.html ... Do you recall which store you saw them in last? I checked...
... I don't recall. I just remember randomly seeing them as I visited stores. If you can't get them, I could probably spare a couple of the 6" plastic ones. ...
Jeffry Sampson
jsampson@...
Nov 8, 2007 5:44 pm
1204
FleetFarm does have great prices on chains and links. ________________________________ From: tcrobots@yahoogroups.com [mailto:tcrobots@yahoogroups.com] On ...
1) We now use "Anti-backlash belts on our laser cutting systems, but (unlike chain) belts can have an "unpredictable" backlash issue where it sometimes slips...
Bill can you describe your laser cutting system's drive train in more detail? I would be interested in hearing about motors, drives, gear reduction, pulleys,...
Jason, Thanks! I don't mind, however Make already did a magazine article on us, myself included. In fact (tooting my own horn) my ugly mug was on the cover of...
Craig, HAH! There you are on the cover *smacks head* ...I knew this project seemed familiar. This video of your droid transforming to and from 3 wheels is what...
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
