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Wheel FAQ's (please read) Help RIOT Wheel??? Please! :) This chunky 1100-pound machine is Jake Lyall's RIOT (Re-Invention Of The) wheel. Lyall's monowheel is unusual because it does not use the rider's weight to provide the reaction to the engine's thrust on the wheel. Instead the rider is outside, and the reaction is given by a lead-weighted Honda 80cc 4-stroke scooter engine suspended from a central shaft, driving through a sprocket attached to the wheel spokes. A separate 450-pound counterweight keeps the rider hovering above the ground at the front. Steering is done partly by precessing a 65-pound gyroscope to give yaw, and partly by the rider shifting his weight. The current land speed record for a mono wheel currently stands at 56 Mph! Video by kind permission of Jake Lyall.
