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You've Never Seen a Robot Drive System Like This Before

What you're looking here is a hemispherical omnidirectional gimbaled wheel, or HOG wheel. It's nothing more than a black rubber hemisphere that rotates like a spinning top, with servos that can tilt it left and right and forwards and backwards. Powered by this simple drive system, the robot that it's attached to can… » 7/08/11 5:40pm 7/08/11 5:40pm