Which mechanism is used to adjust the pitch of rotor blades at specific points of their pathway?

The mechanism that adjusts the pitch of rotor blades at specific points along their path is known as cyclic control. This system allows a pilot to change the angle of the rotor blades as they pass through different positions in their rotation, enabling control of the helicopter's direction and affecting its flight path. By altering the pitch of the rotor blades at specific points, cyclic control facilitates maneuvers such as forward flight, backward flight, and lateral movement, providing the helicopter with precise control over its trajectory.

In contrast, collective pitch control affects the pitch of all rotor blades simultaneously, mainly to control the lift of the helicopter. Yaw control is related to the movement around the vertical axis, typically managed by the tail rotor. The throttle mechanism regulates the engine power but does not directly influence the individual blade pitch in a cyclic manner. Understanding these distinct control mechanics is crucial for effective helicopter operation and ensures the pilot can navigate and maneuver with accuracy.