X2 Technology Demonstrator Helicopter

By on June 4, 2005

Super-copter:

Sikorsky Aircraft today announced plans to build and test a demonstrator for a new class of coaxial X2 Technology helicopters that maintain or improve on all the vertical flight capabilities of rotorcraft and whose high speed configuration will cruise at 250 knots.

Via PhysOrg. (The original article is posted here.)

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