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Images: Flying on a wing and a battery

May 1, 2008 2:32 PM PDT

Greg Cole is seeking funding to produce his concept Goshawk (pictured here), a battery-powered plane. His company, Windward Performance, is the only U.S. maker of sailplanes.

Cole also designed the Sparrowhawk, made largely of carbon fiber composite. With a 36-foot wingspan, it weighs just 155 pounds and costs $41,000--or $73,000 for one with an electric motor.

Photo by Greg Cole/Windward Performance

Caption by Elsa Wenzel

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