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Human-powered helicopter
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University of Maryland engineering student, Colin Gore, performs a test flight in Baltimore in a one-man, human-powered helicopter that he and fellow students designed and built. (AP)
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Brandon Gudenius, University of Maryland engineering student, measures underneath part of a helicopter blade in Baltimore. (AP)
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Colin Gore prepares for a test flight in Baltimore. In order to win, a helicopter must fly under human power for at least 60 seconds and momentarily reach an altitude of 3 meters while remaining within a 10 meter square box. (AP)
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Steve Sherman tapes a boundary line underneath a helicopter blade as he and fellow University of Maryland engineering students prepare for a test flight in Baltimore. (AP)
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The team of undergraduate and graduate students hope to claim the $250,000 American Helicopter Society Sikorsky Prize, which has remained out of reach since it was first offered in 1980. (AP)
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Pilot Colin Gore, sitting in orange, and fellow University of Maryland engineering students prepare for a test flight in Baltimore. (AP)
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Updated on Feb 28, 2013 08:17 pm IST