In another attempt to win the $250,000 AHS Sikorsky Prize, the Gamera II human-powered helicopter successfully flew for more than sixty seconds
In another attempt to win the $250,000 AHS Sikorsky Prize, the Gamera II human-powered helicopter has successfully flown for more than sixty seconds Video below the fold.
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In another attempt to win the $250,000 AHS Sikorsky Prize, the Gamera II human-powered helicopter has successfully flown for more than sixty seconds Video below the fold.
» Read more