How would you design a human-powered aircraft? Watch these teams compete to keep their pedal-powered vehicles aloft in an annual, crash-filled contest held at South Korea’s Goheung Airlines Center. This 2013 video was posted by the Korea Aerospace Research Institute, who also recently posted video of their 2014 event.

Watch more human-powered flight videos: British Pathé: Flying Bicycle (1962), Atlas Human-Powered Helicopter: AHS Sikorsky Prize Flight and NPR’s Human-Powered Helicopters: Straight Up Difficult!

via The Awesomer.

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