What is contained within the dome of the tail rotor system?

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The dome of the tail rotor system houses the control assembly responsible for adjusting the blade angle. This control assembly is crucial for managing the pitch of the tail rotor blades, which directly influences the helicopter's yaw control and stability. By varying the angle of the tail rotor blades, the pilot can control the directional movement of the helicopter, compensating for the torque effect produced by the main rotor and maintaining equilibrium during flight.

The other areas mentioned, such as the gear transmission for power output, are typically located elsewhere in the helicopter's drivetrain and are not directly situated within the dome itself, which is specifically designed for control mechanisms. The fuel delivery system is entirely separate from the tail rotor assembly and is located in the fuel system within the helicopter. Similarly, while there is a mounting base for the tail rotor, its primary purpose is structural support rather than the dynamic role played by the control assembly in adjusting blade angles.

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