For their Atlas human powered helicopter, their pilot had an average output of 772 watts (or 1.035 horsepower) for 1 minute. "At 772 Watts for 1 minute, our pi

For their Atlas human powered helicopter, their pilot had an average output of 772 watts (or 1.035 horsepower) for 1 minute. "At 772 Watts for 1 minute, our pilot’s power output exceeds the power requirements of the helicopter by a safe margin." From: http://www.aerovelo.com/projects/helicopter/tech-info/ http://www.aerovelo.com/projects/helicopter/tech-info/