High Quality Content by WIKIPEDIA articles! A human-powered helicopter is a helicopter designed to carry at least one person but limited to using only what power is provided by the person(s) on board, usually by pedaling. A high power-to-weight ratio is needed as in all helicopters. Such aircraft must be light and must have efficient rotary wings. Efficiency for human powered purposes means that the rotors must generate great lift but cause little drag, because drag consumes power. The Sikorsky Prize has not yet been awarded. It will be awarded to the first entry to reach an altitude of 3 meters (10 feet) during a flight lasting at least 60 seconds, while remaining in an area 10 meters square (36 feet square).

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