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Originally Posted by blindguyinanorg
we have 4 of the pnuematic wheels and each side is driven together. im not sure if driving it like a tank will work. any sugestion
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This white paper by Chris Hibner is a great place to start. It walks you through all the calculations for a 4 wheel drive robot, including if it will turn and the minimum force required for the wheels. It also has lots of quick suggestions on how to make a 4 wheel drive robot turn.