The challenge of combining rotary-wing flexibility with fixed-wing efficiency continues to fascinate designers, tempting the U.S. Defense Advanced Research Projects Agency into funding yet another approach to the perennial problem. Darpa has awarded Boeing a contract to study the DiscRotor, which would take off vertically like a helicopter, slowing the rotor and retracting the blades into the disc as it accelerates, until it morphs into a swept-wing aircraft powered by ducted fans. ...


You must have an Aviation Week Intelligence Network (AWIN) account or subscribe to this Market Briefing to access "Boeing Studies High-Speed DiscRotor for Darpa".


Current Aviation Week Intelligence Network (AWIN) enterprise and individual members: please go to for access.


Not currently a subscriber? Click on the "Learn More" button below to view subscription offers.

Already registered? here.