Which component reduces tail drive shaft input speed?

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Multiple Choice

Which component reduces tail drive shaft input speed?

Explanation:
The tail gearbox is responsible for reducing the tail drive shaft input speed. It takes the high-speed power coming from the tail drive shaft and provides a gear reduction so the tail rotor spins at a slower, more suitable RPM while delivering the necessary torque for anti-torque and yaw control. The main gearbox reduces speed for the main rotor, the free-wheeling unit allows rotor freewheeling under certain conditions, and accessory gearboxes drive items like hydraulics and generators. So the tail gearbox is the part that sets the tail rotor’s operating speed through reduction.

The tail gearbox is responsible for reducing the tail drive shaft input speed. It takes the high-speed power coming from the tail drive shaft and provides a gear reduction so the tail rotor spins at a slower, more suitable RPM while delivering the necessary torque for anti-torque and yaw control. The main gearbox reduces speed for the main rotor, the free-wheeling unit allows rotor freewheeling under certain conditions, and accessory gearboxes drive items like hydraulics and generators. So the tail gearbox is the part that sets the tail rotor’s operating speed through reduction.

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