Rotor head assembly

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The rotor head assembly is a critical component of most modern helicopters and some fixed-wing aircraft. It is typically located at the top of the helicopter mast and serves as the attachment point for the main rotor blades, tail rotor, or propellers. The rotor head assembly includes a hub that supports the rotor shaft, bearings that allow for smooth rotation, and a swashplate that helps to control pitch and roll. This complex assembly must withstand significant stress and fatigue due to the constant spinning of the rotors.