A22 Questions and Answers Already
Passed
What is the purpose of a main rotor hub?
✔✔ To connect and support the rotor blades while allowing movement
How does improper swashplate leveling impact helicopter flight?
✔✔ It causes asymmetrical control response and instability
Why are trim tabs used on rotor blades?
✔✔ To fine-tune aerodynamic balance and reduce control forces
What happens if a helicopter’s servo actuators are misaligned?
✔✔ Flight control effectiveness is reduced, leading to handling issues
Why is tail rotor authority critical during hovering?
✔✔ To maintain directional control and counteract torque
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, What is the effect of incorrect main rotor blade twist distribution?
✔✔ It affects lift efficiency and can cause performance imbalances
Why must flight control stops be checked during rigging?
✔✔ To ensure they limit control travel within safe operating ranges
How does improper tensioning of drive belts affect helicopter operation?
✔✔ It can lead to slippage, loss of power transfer, and mechanical wear
What is the function of a lead-lag damper in a rotor system?
✔✔ To absorb blade movement and reduce in-flight oscillations
Why is rigging documentation essential after adjustments?
✔✔ To maintain records for safety, maintenance tracking, and regulatory compliance
What is the primary purpose of helicopter rigging?
✔✔ To ensure proper alignment and control response of the rotor system
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