14.84 Anti-torque Tail Rotor

14.84.2 Describe the torque couple (origin, direction, and strength).

14.84.4 State the purpose of the anti-torque (tail) rotor.

14.84.6 Describe the demand of anti-torque for power.

14.84.8 Describe the effect of wind on tail rotor thrust, including:

(a) possible loss of tail rotor effectiveness;

(b) effect on power required to hover.