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High Efficiency Bicycle Propulsion System Using Two Motors ...
www.podbike.comEVS24 Stavanger, Norway, May 13-16, 2009 High Efficiency Bicycle Propulsion System Using Two Motors and Epicyclic Gearing Per H. Sørensen 1, Miles Hellon 2 1Forsandveien 13, 4307 Sandnes, Norway, perhassel@gmail.com 238 Winforton Street, London SE10 8UR, U.K., mileshellon@hotmail.com Abstract