EASA 66 Module 17 - Propeller

EASA 66 Module 17 explains the Propeller, its fundamentals, construction, maintenance, storage, and several other topics. This is a very detailed CBT which presents detailed descriptions of propellers that apply to both turbine engine and piston engine aircraft.

  • 17.1 Fundamentals
    • Blade element theory;
      High/low blade angle, reverse angle, angle of attack, rotational speed;
      Propeller slip;
      Aerodynamic, centrifugal, and thrust forces;
      Torque;
      Relative airflow on blade angle of attack;
      Vibration and resonance.
  • 17.2 Propeller Construction
    • Construction methods and materials used in wooden, composite and metal propellers;
      Blade station, blade face, blade shank, blade back and hub assembly;
      Fixed pitch, controllable pitch, constant speeding propeller;
      Propeller/spinner installation.
  • 17.3 Propeller Pitch Control
    • Speed control and pitch change methods;
      Feathering and reverse pitch;
      Overspeed protection.
  • 17.4 Propeller Synchronising
    • Synchronising and synchrophasing equipment.
  • 17.5 Propeller Ice Protection
    • Fluid and electrical de-icing equipment.
  • 17.6 Propeller Maintenance
    • Static and dynamic balancing;
      Blade tracking;
      Assessment of blade damage, erosion, corrosion, impact damage, de-lamination;
      Propeller treatment/repair schemes;
      Propeller engine running.
  • 17.7 Propeller Storage and Preservation
    • Propeller preservation and de-preservation.

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