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Sikorsky Firefly: An Electric Helicopter

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Uploaded on Jul 28, 2010

Produced by Glenn Pew (http://www.glennpew.com/) for AVweb.com. It's at nearly gross weight before the pilot steps in and can only fly for 15 minutes, but that's not the point. Sikorsky Innovations sees the Firefly as a testbed for the technologies that may make for a real electric helicopter ... someday.

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