Quote Originally Posted by adamclark View Post
Mechanum wheels will slide around like a air hockey puck, I doubt you'll achieve any grip so negating anything powerful driving them. Instead of matching a gear, why not simulate a chain. Easy I would imagine with CaD. Lots of vertical holes, drop in silver steel pins and put chain sprockets on your motors.
I don't get how that is simpler than just machining a gear on the inner surface of the ring? Since that would require some really wacky way to get the pins to stick out. I might be misunderstanding.