Human-Powered Helicopters: Straight Up Difficult

Read the full story here: npr.org/2012/10/14/160670295/flight-club-human-powered-helicopter

Explore the history of human flight here: npr.org/2012/10/12/159773795/timeline-the-history-of-human-powered-flight

It’s difficult to build a working four-rotor helicopter that spans 100 feet and only weighs 80 pounds. It’s even harder when your engine is a 0.7-horsepower person. But one team of engineering students is trying to do just that.

Cast: NPR

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