CPL » General Tech – Aeroplane » Propellers

26.76 Propellers

26.76.2 Explain the disadvantages of the fixed-pitch propeller.

26.76.4 For a constant speed propeller, differentiate between the functions of the propeller (pitch) control and the throttle control, when the propeller is:

(a) in the constant-speed range;

(b) below the constant-speed rpm range.

26.76.6 Explain how the constant-speed unit (CSU) acts to change the pitch of the blades and maintain rpm with changes:

(a) to power;

(b) in airspeed.

26.76.8 Explain the method of operation of typical pitch changing mechanisms.

26.76.10 Explain the operation of a typical CSU governor.

26.76.12 Explain the power management requirements as the propeller blades are travelling from the normal thrust to the reverse thrust angle.

26.76.14 Describe the normal handling of the propeller pitch and power controls for a two lever control system:

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