[EricH]

Originally Posted by AmoryG

Now I've done searches, but I've never seen any team attempting a "ball drive" drive train. It might be under a different name, but it's simply a drive train that uses spheres for wheels. I've tried to think of a few ways of doing this, but because I have no examples to follow I can't say any of my ideas would work.

With spheres you could rotate the ball in different directions without having to rotate the thing that holds the ball inplace. The ball wouldnt have to be a complete sphere.

Has anyone tried to do this successfully?

Team 45 prototyped such a design a few years ago. I'll see if I can find it.

[edit] Tom beat me to it.