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29th Jun 2013, 20:09

#26 (permalink)

Dave_Jackson

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vstol

Quote:

There have been a number of studies of variable diameter tiltrotors;however the additional complexity and cost (on top of the already significant increases from a conventional helicopter) are showstoppers ... at least with today's technology.

Agreed. Even Sikorsky has about a dozen patents on Variable Diameter Rotors; Sikorsky's Variable Diameter Tiltrotor (VDTR)

Dave

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