What does the tail rotor provide?

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Multiple Choice

What does the tail rotor provide?

Explanation:
In a single-rotor helicopter, the engine turning the main rotor creates a reactive torque that would spin the fuselage in the opposite direction. The tail rotor provides thrust to counter that torque, producing an opposite moment that keeps the aircraft from spinning. This anti-torque effect is what allows the pilot to control yaw (heading) with the pedals. Lifting power and main propulsion come from the main rotor and its drive system, not from the tail rotor. While tail rotor thrust can affect hover feel and heading, its primary purpose is countering torque and enabling yaw control.

In a single-rotor helicopter, the engine turning the main rotor creates a reactive torque that would spin the fuselage in the opposite direction. The tail rotor provides thrust to counter that torque, producing an opposite moment that keeps the aircraft from spinning. This anti-torque effect is what allows the pilot to control yaw (heading) with the pedals.

Lifting power and main propulsion come from the main rotor and its drive system, not from the tail rotor. While tail rotor thrust can affect hover feel and heading, its primary purpose is countering torque and enabling yaw control.

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