Commission Regulation (EU) No 1321/2014Dangos y teitl llawn

MODULE 17B. PROPELLER U.K.

Note: The scope of this Module shall reflect the propeller technology of aeroplanes pertinent to the B3 category. U.K.

	LEVEL
	B3
17.1 Fundamentals	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	2
Construction methods and material 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	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.
17.5 Propeller Ice Protection	2
Fluid and electrical de-icing equipment.
17.6 Propeller Maintenance	2
Static and dynamic balancing;
Blade tracking;
Assessment of blade damage, erosion, corrosion, impact damage, delamination;
Propeller treatment/repair schemes;
Propeller engine running.
17.7 Propeller Storage and Preservation	2
Propeller preservation and depreservation.