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Old 10-05-2011, 05:53 PM   #3 (permalink)
gone-ot walking...
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...did you see the History International TV-show about the Swiss solar/battery-powered plane, "Solar-Impulse," that flew continuously above Swiss air-space for something like 26 hours? used four 10 HP motors, with batteries for energy storage and solar-cell "skinning" on the wing top for power source. And, yes, it was piloted.

Last edited by gone-ot; 10-05-2011 at 09:06 PM..
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