31 May 2008

Russian Advanced Helo Concepts

The Russians are looking at advanced high speed helicopter concepts too (Paid Subscription Required):

Mil Mi-X1
Among the concepts are:
  • The Mi-X1, a 5 ton class aircraft with a top speed of around 450-500 km/h.
  • The Kamov Ka-92 which uses a coaxial rotor with retreating blades offloaded, much like Sikorsky's X2 demonstrator.
  • The Ka-90, which has a rotor which folds down along the fuselage for high speed (700 km/h) flight.

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