Fuel System Flashcards
Fuel Compacity
Total: 103 gal (51.5 per tank)
Usable 100 gal (50 per tank)
Slip limitation
No more than 30 seconds
Does the fuel system include crossfeeds or fuel transfer?
Only crossfeeds
How is fuel drawn?
Respective tanks -> Fuel Strainer -> Fuel Selector -> Check Valve -> -> Aux Fuel Pump -> Engine Driven Fuel Pump -> Carburetor -> Engine
What does the fuel tab in the tanks indicate?
Top of Tab: 51.5 gal (50 usable) - Full Tanks
Center Mark: 40 gal (38.5 usable) remaining
Bottom of Tab: 30 gal (28.5 usable) remaining
How many fuel drains are there?
8 - four on each wing. Also drains on the underside of each nacelle, on the fuel selectors and flush drains for crossfeed lines
Type of fuel sensors
Float sensors
Can the aux fuel pumps run the engine if the primaries fail?
Yes
Why is fuel required for cabin heating?
The cabin heating element is housed in the nose cone of the aircraft. Uses fuel from the RIGHT tank only. Includes a heater and heater fuel pumps.
What is fuel crossfeed used for?
Emergencies only
Before takeoff fuel requirement?
9 gallons minimum in each wing tank before takeoff
How much fuel does the cabin heater use?
2/3 gallons/hr
What is the output of the cabin heater?
45,000 Btu-per-hour
How does the cabin heater work?
A gas-powered heater in the nose cone heats fresh air from outside, routes it into the cabin and windshield defroster, then sends excess to outlets further back of the aircraft
Is there overheating protection for the heater?
Yes, the manual reset limit switch (inaccessible during flight) shuts off the heat system in case the discharge temperature reaches 300F
