How much?
6.25 US Gallons
What is the capacity of the propeller oil sump?
Direct airflow around the propeller control for heat dissipation
What do the top and bottom air baffles do?
Rack 10
Where is the synchrophaser located?
Below 10° blade angle
At what angle will the Beta light be illuminated?
The "PROP PUMP #1" light will illuminate
What is the indication of a Main pump failure?
101°
What is the total operating range of the propeller blades?
What is the purpose of the flight idle stop?
Top right rear of the pump housing
Where is the auxiliary pump motor located?
180° out of phase
The slave propellers are set to what angle out of phase with the master propeller?
Electronic, Mechanical, Synchrophasing but NOT Synchronizing
What are the modes of governing?
13°
What is the low pitch stop set at on the ground?
Locks the front spinner in place
What is the purpose of the hub mounting bulkhead?
Dome
Where is the low pitch stop located?
With less than 500 pounds of thrust
When does automatic feathering occur?
It produces an electrical signal for the Synchrophaser
What does the pulse generator do?
34° to 90°
What is the coordinator range in Alpha range?
Feather button, E-handle and Auto feather system
What are the 3 methods of feathering the propeller?
Center instrument panel
Where are the Beta indicator lights located?
45 -48°
What is the air start blade setting?
Minimizes drag of the propeller should engine shut down be required in flight?
What does full-feathering of the blades do?
5 to 15 PSIG
What is the pressure differential the pump flow sensor contacts will close at to give a prop pump light?
Prevents a decrease in blade angle
What is the function of the pitch lock regulator?
Left inboard overhead panel
Where are the feather buttons located?
Between -500 to -500 shaft horsepower
The blade de-icing elements, front spinner de-icing element and the rear spinner de-icing elements
What components are powered by contact rings and brush blocks?