Powerplant · Lesson 40 of 40
Propellers
Propeller theory and blade terms, propeller types, pitch control, governors and feathering, turboprop beta and reverse, synchronizing and ice control, and the inspection, repair, servicing, installation and TCDS rules a powerplant mechanic works under.
11 min read
Last reviewed
Part of A&P Complete
This lesson is in the full course
- Define blade angle, angle of attack, geometric and effective pitch, and calculate geometric pitch and slip
- Compare fixed-pitch, ground-adjustable, controllable-pitch, constant-speed, feathering and reversing propellers
- Explain how a governor handles on-speed, overspeed and underspeed conditions, and how turboprop beta range differs
- Describe propeller synchronization, synchrophasing and ice control systems
- Apply inspection, repair, servicing, removal and installation rules, including what a mechanic may not do