pic: Coax Crab, another variation.

Originally Posted by SgtMillhouse648

I realize how easy it is to keep tension on the 1st step, what I am worried about is in the 4th step, especially if you are using #25 chain. With #35, you don't have near as big of problem, but there's still a problem.

Nice work though.
Malhon

Ah. It's close enough to not need tensioning, and may even be changed to use kevlar belting if I ever end up making the thing.

Originally Posted by Hachiban VIII

Why the massive wheels?

They're not massive, they're only 4 inches in diameter, and 2 inches wide. The whole robot actually isn't that big...