Mecanum wheels under varying loads

[Ether]

Originally Posted by Robot Sans

A more mechanical solution would be to add a pair of wheels closer to the load, which could be free spinning and even the weight difference.

Are you suggesting weight-bearing non-powered wheels? What kind of wheels?

[Robot Sans]

Originally Posted by Ether

Are you suggesting weight-bearing non-powered wheels? What kind of wheels?

Yup, thats what i was thinking. They would have to be low friction but not omni-directional. Plastic wheels would be ideal.

[Ether]

Originally Posted by Robot Sans

Yup, thats what i was thinking. They would have to be low friction but not omni-directional. Plastic wheels would be ideal.

Why not omni? and what effect do you think those wheels might have on the mec's kinematics?

[Daniel_LaFleur]

Originally Posted by Ether

Why not omni? and what effect do you think those wheels might have on the mec's kinematics?

Why not a ball caster?