Quote:
Originally Posted by Chris is me
Slick wheels are not particularly good at providing force for a robot. Honestly, I don't see why teams that use them bother even driving them with chain.
Omni wheels are better, because they do have traction in one direction. They have no traction in the direction you want them to have no traction in!
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It offers some level of redundancy, sort of. plus it allows you to reclaim some of the normal force lost to undriven wheels.