Source: http://www.flyingmag.com/aircraft/helicopters/video-human-powered-helicopter-vies-new-world-record
[youtube http://www.youtube.com/watch?v=TdA8TbRPiSg&w=420&h=315]
Source: http://www.flyingmag.com/aircraft/helicopters/video-human-powered-helicopter-vies-new-world-record
[youtube http://www.youtube.com/watch?v=TdA8TbRPiSg&w=420&h=315]