Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gert Lundgren0
Date of Patent
September 4, 2012
0Patent Application Number
118387310
Date Filed
August 14, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A vertical/short take-off and landing aircraft with a single proprotor assembly that has a pair of inline counter-rotating rotors. Two inline counter-rotating engines are directly connected to the rotors. One engine is shut down in horizontal flight to improve efficiency. Gimbal mounting the proprotor assembly permits thrust to be directed forward to back and left to right to control pitch and roll when hovering. Varying the relative engine speeds controls yaw. The aircraft is adaptable as an unmanned vehicle.
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