An aircraft composed of an airframe, an extending tail, a counter rotating, coaxial main rotor assembly including an upper rotor assembly and a lower rotor assembly, and a translational thrust system positioned at the extending tail. The translational thrust system provides translational thrust to the airframe. The aircraft also includes a rotor hover figure of merit greater than about 0.79 for a CT/σ between about 0.085 and about 0.125.
ROTOR HOVER FIGURE OF MERIT FOR ROTARY WING AIRCRAFT
2017-09-28
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |