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You can bet your bottom hard-earned dollar that DARPA has a bunch of devices, gizmos and vehicles that we have yet to lay eyes upon as the US strives to maintain their military might worldwide. Recently spotted was the DiscRotor, a vehicle that seems to be a rather strange amalgamation of a helicopter and airplane which can hide its rotors in a spinning disc to get around. Currently in the planning phases (who are we to argue?), why not check out the video in the extended post to see just how the DiscRotor will zip about in real life? It supposedly is meant to be a whole lot more mobile, and can get troops in and out of critical situations in a jiffy.
Source
Boeing is studying the feasibility of the DiscRotor high-speed verticla-take-off and landing aircraft for DARPA. The aircraft takes off vertically like a helicopter, with telescoping rotor blades extended, then converts to fixed-wing forward flight by retrating the blades into the disc, which is then stopped. The aircraft the flies on its swept wing and dual ducted propellers. A 20%-scale model of the rotor will be windtunnel-tested in 2011.
Originally posted by 0ne10
reply to post by SunshineLaws
No tail rotor? I wonder how that device handles the torque from the spinning blades. Maybe it uses NOTAR technology?