John Baichtal's blog about making, electronics, toys, gaming, and tools.
Sunday, January 26, 2014
I made these wheels for my upcoming book, I, Robot Builder. Lazzzzor out these wheels in quarter-inch birch plywood. Stack them up 3 high and secure with a hub (Pololu P/N 1083; this is for a 6mm axle) using #4-40 x 1" screws. Use Loc-tite on the nuts to keep them from falling off! Finally, put a rubber band over the teeth of the wheel. I used a #105 rubber band, which is 5/8" wide x 5" long. Wanna make your own? I uploaded the designs to Thingiverse.