In his presentation at AirVenture 2009, George Bye, CEO of Bye Energy, set forth some ambitious goals for his company. This included the development of a hybrid electric power system for light aircraft (under 250 horsepower) with target markets for general aviation and experimental homebuilt aircraft. Bye explained that light, powerful electric motors and Lithium-ion batteries have achieved a mature technology level that makes this an ideal time to enter this new market. On February 18, Bye introduced the proof of concept systems that will enable him to achieve this. The Green Flight Project consists, in its first phase, of an electric motor based on the UQM 125, a 90-pound, 95-percent efficient unit that puts out up to 168 horsepower (output of the initial POC motor will be closer to 100 horsepower). A set of battery packs, totalling 200- to 300-pounds will provide power, and a dedicated motor controller and battery management system (BMS) will keep things cool and under control. …
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