For the first time in a third of century, a team has claimed the AHS Igor I. Sikorsky Human Powered Helicopter Competition prize. AHS International and Sikor...
Atlas Human-Powered Helicopter - AHS Sikorsky Prize Flight
AeroVelo Team Wins AHS Sikorsky Prize
Atlas: AHS Sikorsky Prize Flight (uncut)
AeroVelo Atlas testing 25 Jan 2013
AeroVelo Atlas rotor spin up