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Also, what's the advantage of using omni-wheels if not for all-direction travel? For example in the above robot picture; you have the two omni-wheels in the front. You said it was so you could turn in high gear easier; so the omni-wheels provide half decent forward-backward traction and little lateral traction. Are there any other benefits?
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omni wheels = motorable casters....that can or can't be movable sideways.... like mine, they can't move sideways but they rool b/c of the rollers..
we opnly used two because of the game, we wanted to get on that ramp very qucikly in which it did b/c we had a 1/2" lip to catch the edge of the 6" platform.
anything else or i missed?