VFS - Human Powered Helicopter
How to Fly a Human-Powered Helicopter | WIRED
University Of Maryland team to make second attempt at launching first human-powered helicopter | Daily Mail Online
Human-Powered Helicopters: A 600-Year-Old Dream in Sight - The Atlantic
Pedal-Power Helicopter Heads For $250k Prize | US News | Sky News
The Gamera Human Powered Helicopter with blade spars, airframe, and... | Download Scientific Diagram
Human-powered helicopter gets test run in Scotts Valley – The Mercury News
See first successful flight of a human-powered helicopter - YouTube
Pedal-powered helicopter claims 33-year-old aviation prize
Pedal-powered helicopter claims 33-year-old aviation prize
University of Maryland Students Close in On The Human-Powered Helicopter Prize | Air & Space Magazine| Smithsonian Magazine
Canadian team's human-powered helicopter takes flight - BBC News
Atlas: the Sikorsky prize-winning design — Aerovelo
Maryland University Engineers Amazing 'Human Powered Helicopter' Shoots for $250K Prize
Pedal-powered helicopter claims 33-year-old aviation prize
Stielau Electric Helicopter
Duo creates human-powered helicopter - YouTube
University of Michigan - Human-Powered Helicopter
New human-powered helicopter design - Model Airplane News
A Human-Powered Helicopter Wins Sikorsky
Human-Powered Helicopters: AHS International Hosts 6-Second Vertical Flight Contest
Human-powered helicopter - Wikipedia
Bicycle-Powered Helicopter
Straight Up Difficult : NPR
Canadian Team Claims $250,000 Prize for Human-Powered Helicopter | WIRED
