Quote:
Originally Posted by SilenNex
We decided to go with the omnis in the back to center the turning circle of the robot in 8 wheel mode, if we had used 3 traction wheels then the robot would have pivoted around the middle set of traction wheels not the center.
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If you drop the center 4, then you're only ever riding on 4 wheels at a time. With your weight balanced in the center, you'll only pivot on the middle 4 wheels. All turning as far as traction wheels is concerned is just like a standard 8wd, despite the omnis at the other end.