What device is attached to the drag hinge to restrain the fore and aft movement of the rotor blade?

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Multiple Choice

What device is attached to the drag hinge to restrain the fore and aft movement of the rotor blade?

Explanation:
The blade damper is attached to the drag (lead-lag) hinge to restrain fore‑aft motion of the rotor blade. This damper absorbs energy as the blade moves in the drag direction, smoothing out lead-lag oscillations and preventing excessive vibration or flutter. Blade coning is the upward tilt of blades under lift and centrifugal load, not a restraining device. Antitorque pedals control tail rotor thrust for yaw, not blade motion. Autopilot is a flight control system that automates inputs, not the mechanism that limits blade movement.

The blade damper is attached to the drag (lead-lag) hinge to restrain fore‑aft motion of the rotor blade. This damper absorbs energy as the blade moves in the drag direction, smoothing out lead-lag oscillations and preventing excessive vibration or flutter. Blade coning is the upward tilt of blades under lift and centrifugal load, not a restraining device. Antitorque pedals control tail rotor thrust for yaw, not blade motion. Autopilot is a flight control system that automates inputs, not the mechanism that limits blade movement.

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