A human-powered helicopter was successfully flown for 50 seconds on June 21, setting a new world record.

A human-powered helicopter was successfully flown for 50 seconds on June 21, setting a new world record. Video below the fold.

This effort is an attempt to win the $250,000 AHS Sikorsky Prize, which requires a human-powered helicopter to fly for one minute at a height of three meters. The prize was first announced in 1980, and has remained unclaimed for the past 32 years.
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