FIELD: methods of compensation of contra-rotating torque of rotors. SUBSTANCE: proposed helicopter has contra-rotating torque compensation system of main rotor including tail rotor rotated by the same device as main rotor, tail rotor control system and at least one controlled aerodynamic surface. Helicopter is provided with devices for automatic control of aerodynamic surface turn angle depending on collective pitch angle of main rotor and velocity (V) of translational horizontal motion of helicopter. EFFECT: enhanced efficiency. 19 cl, 9 dwg
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