Project  Concept for a "rotorwash deflection aircraft" designed by Tsheten Dorji of Bhutan, which uses the main rotor's downwash as anti-torque by deflecting it off to the side with vertically-mounted lift-producing surfaces, or directional paneling, along the tail section of the fuselage, eliminating the need for a tail rotor. The concept is similar to that of Raoul Hafner's "Revoplane" RII, which was flight-tested in 1932, but with little success. Tsheten wishes to continue this form of anti-torque study and attempt to further perfect it. |
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