University of Maryland students have built and set a world record with an enormous human-powered helicopter. The vehicle uses four sets of two spinning blades to lift from the ground.
A 24-year-old graduate student pedaled the helicopter on its record setting ride. The record had been hovering 3 to 5 inches for 4 seconds. The Maryland helicopter reached heights of 3 to 5 inches for 4 to 6 seconds. It doesn’t sound like much, but the project was quite the undertaking. See for yourself — click the video player below to watch the human-powered helicopter in action.
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