The Walking Gear Bot, through the clever use of planetary gearing, converts simple rotation to a walking motion. It uses a single 6V electric motor equipped with a speed reducer. This motor can be bought on eBay for less than $5. You will also need 4 AA batteries, a couple of jumper cables or wires, and a paperclip. No soldering required. See the video to watch this robot walk.
There are 11 involute gears in this mechanism, and 36 printed parts overall. Here is the full list of parts: quantities and filenames:
1 wg_motorholder.stl
2 wg_thumbscrew.stl
2 wg_leg.stl
2 wg_foot.stl
1 wg_pinion.stl
2 wg_gear36.stl
4 wg_gear24.stl
4 wg_gear16.stl
4 wg_bushing.stl
4 wg_bracket.stl
2 wg_rod.stl
4 wg_stoptube_short.stl
4 wg_stoptube_tall.stl
Hardware:
20 metric countersunk Phillips-head M3-12 screws.
2 metric M3 nuts.
Please visit http://www.otvinta.com/download08.html for detailed and illustrated assembly instructions.
WARNING: Adult supervision is recommended. While in operation, keep away from little children as their fingers can be caught in the moving parts and cause minor injuries.
| wg_bracket.stl | 38.2KB | |
| wg_bushing.stl | 100.5KB | |
| wg_foot.stl | 72.9KB | |
| wg_gear16.stl | 463.8KB | |
| wg_gear24.stl | 762.7KB | |
| wg_gear36.stl | 1.0MB | |
| wg_leg.stl | 99.5KB | |
| wg_motorholder.stl | 862.6KB | |
| wg_pinion.stl | 404.8KB | |
| wg_rod.stl | 73.4KB | |
| wg_stoptube_short.stl | 45.4KB | |
| wg_stoptube_tall.stl | 45.3KB | |
| wg_thumbscrew.stl | 199.4KB |
