Students from the University of Maryland’s A. James Clark School of Engineering set an unofficial world record of 50 seconds for the duration of a human-powered helicopter flight, far surpassing their 2011 world record of 11.4 seconds with Gamera I and any unofficial flights of prior years. The time will be submitted to the National Aeronautic Association by judge Kris Maynard. The validation process will likely take a few weeks.

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