Rear-Wheel-Steering Recumbent Bike Prototype Testing

Part of our Cal Poly senior project. This is the prototype for a bike that will compete in the 2010 Human Powered Vehicle competition in 2010. www.asme.org Many of the features are adjustable, including the head tube angle (the angle of the hinge), the wheelbase by multiple dropouts for the front and rear wheels, the control sensitivity by the lever-arm linkages, and the seat position. Partial credit for this design goes to Dennis Renner, for giving us the initial idea of a rear-wheel-steered recumbent. www.youtube.com Before this one, we constructed a proof of concept bike, with no pedals, and a different steering mechanism. www.youtube.com By adjusting the head tube angle on our prototype, we discovered that a forward angle gives us better stability at high speeds.

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