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PROPELLER
Level A
B1 B2
17.1 Fundamentals 1 2 — 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 1 2 — 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 1 2 — Speed control and pitch change methods, mechanical and electrical/electronic; Feathering and reverse pitch; Overspeed protection.
17.4 Propeller Synchronising — 2 — Synchronising and synchrophasing equipment.