Propellers Flashcards
1
Q
What is used as a variable force to counteract the spring-fixed force to adjust propeller blade-angle?
A
Governor boosted engine oil
2
Q
How many governors can adjust propeller blade-angle?
A
2 - primary and over speed?
3
Q
What will occur with a failure of the primary governor oil pump?
A
Propeller feathers - due to lose of oil pressure
4
Q
What mechanism controls propeller speed in the event the propeller becomes fixed-pitch?
A
Fuel-topping governor
5
Q
The prop levers control propeller speed in what RPM range?
A
1450-1700
6
Q
The auto feather arming system is completed when the power levers are positioned above approximately ______ N1.
A
90% (88% switch)
7
Q
Prop sync will capture when the propellers are within approximately _____ RPM.
A
23-27
