FAA TEST - A & P AIRFRAME - ASSEMBLY AND RIGGING Q8222, Q8223, Q8224, Q8225, Q8226 (3-16)

Questions 8222, 8223, 8224, 8225, and 8226 focus on helicopter transmission systems, torque effects, and flight control movements. Question 8222 explains that the freewheeling unit automatically disengages the rotor from the engine during an engine failure, allowing the rotor system to continue spinning in autorotation so the pilot can maintain control and perform an emergency landing. Question 8223 states that helicopter torque acts in the opposite direction of rotor blade rotation due to Newton’s third law of motion, which is why helicopters require an anti-torque system such as a tail rotor. Question 8224 further explains that the freewheeling unit disengages the engine from the main rotor whenever engine RPM becomes lower than rotor RPM, protecting rotor rotation during autorotation and preventing engine drag from slowing the rotor system. Question 8225 states that movement about the longitudinal axis, or roll, is controlled by cyclic pitch control, which tilts the rotor disk left or right by varying blade pitch during rotation. Question 8226 explains that movement about the lateral axis, or pitch, is also controlled by cyclic pitch control, allowing the pilot to tilt the rotor disk forward or backward to maneuver the helicopter in pitch.

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Видео FAA TEST - A & P AIRFRAME - ASSEMBLY AND RIGGING Q8222, Q8223, Q8224, Q8225, Q8226 (3-16) канала Avdome Aviation