An aircraft includes an airframe having an extending tail, a counter rotating, coaxial main rotor assembly disposed at the airframe including an upper rotor assembly and a lower rotor assembly, and a translational thrust system positioned at the extending tail and providing translational thrust to the airframe; The aircraft is configured to operate at an altitude of over 20,000 feet and at an airspeed of greater than 200 knots.
ROTORCRAFT OPERATIONAL ALTITUDE AND AIRSPEED
10.08.2017
Patent
Elektronische Ressource
Englisch
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