Human-powered helicopter - Wikipedia
Helicopter powered by man on bicycle wins $250,000 prize | Aeronautics | The Guardian
Atlas Human-Powered Helicopter - AHS Sikorsky Prize Flight - YouTube
How to Fly a Human-Powered Helicopter | WIRED
Maryland University Engineers Amazing 'Human Powered Helicopter' Shoots for $250K Prize
Stielau Electric Helicopter
AeroVelo's Human-Powered Helicopter May Be On Track to Win the $250,000 Sikorsky Prize
Crowdfunding hope for human-powered helicopter project
VFS - AHS Congratulates AeroVelo for Human Powered Helicopter First Flight!
Human-powered helicopter takes prize with record-breaking flight
Human-Powered Helicopter Attempts Prize-Winning Flight Today | WIRED
Atlas: the Sikorsky prize-winning design — Aerovelo
Atlas Technical Info — Aerovelo
Canadian team's human-powered helicopter takes flight - BBC News
Straight Up Difficult : NPR
University of Maryland Students Close in On The Human-Powered Helicopter Prize | Air & Space Magazine| Smithsonian Magazine
Atlas: the Sikorsky prize-winning design — Aerovelo
University Of Maryland team to make second attempt at launching first human-powered helicopter | Daily Mail Online
VFS - Human Powered Helicopter
See first successful flight of a human-powered helicopter - YouTube
First human powered helicopter has lift-off | Newstalk
Pedal-powered helicopter claims 33-year-old aviation prize
