When putting the ToM together it struck me that the timing belts looks a lot like tank treads when flipped inside out. I think small robots are fun so I decided to try making a chassis based on some 140XL timing belts.
This is the parts that I ordered for eBay;
[Edit] The 300RPM motors where no good as they had to little torque. So go for these;
http://cgi.ebay.com/2x-12V-DC-1000-RPM-Mini-Torque-Gear-Box-Motor-Hobby-/220789730351?pt=LH_DefaultDomain_0&hash=item336817ec2f
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=400073201227&ssPageName=STRK:MEWNX:IT
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=170540927152&ssPageName=STRK:MEWNX:IT
I added a small project description over at LMR http://letsmakerobots.com/node/27218
| Tread_base_1A.skp | 104.0KB | |
| Tread_base_1A.stl | 229.6KB | |
| Tread_base_1B.skp | 92.5KB | |
| Tread_base_1B.stl | 179.2KB | |
| Tread_base_bottom.skp | 153.4KB | |
| Tread_base_bottom.stl | 159.8KB | |
| Tread_base_end.skp | 209.6KB | |
| Tread_base_end.stl | 42.6KB | |
| Tread_pully.skp | 167.7KB | |
| Tread_pully.stl | 190.8KB | |
| Tread_timing.stl | 132.6KB |
