Module 17. Propeller (Part-66)

Content: Part-66 Module 17. Propeller

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.

2. Propeller Construction

• Construction methods and materials used in wooden, composite andmetal propellers;
• Blade station, blade face, blade shank, blade back and hub assembly;
• Fixed pitch, controllable pitch, constant speeding propeller;
• Propeller/spinner installation.

3. Propeller Pitch Control

• Speed control and pitch change methods, mechanical andelectrical/electronic;
• Feathering and reverse pitch;
• Overspeed protection.

4. Propeller Synchronising

• Synchronising and synchrophasing equipment.

5. Propeller Ice Protection

• Fluid and electrical de-icing equipment.

6. Propeller Maintenance

• Static and dynamic balancing;
• Blade tracking;
• Assessment of blade damage, erosion, corrosion, impact damage, delamination;
• Propeller treatment/repair schemes;
• Propeller engine running.

7. Propeller Storage and Preservation

• Propeller preservation and depreservation