Systems Flashcards
What type of engine does the C152 have?
Avco Lycoming O-235-L2C, Naturally (normally) Aspirated, Direct Drive, Air-Cooled, Horizontally Opposed, Carburetor Equipped with a Wet Sump Oil Sytem, 4-Cylinder Engine
What type of propeller does the C152 have?
Two-bladed, fixed-pitch, one piece forged aluminum alloy propeller
McCauley: 69 inches in diameter
Sensenich: 72 inches in diameter
What does the Oil Pressure Gage markers indicate?
Minimum idling pressure: 25 PSI (lower red line)
Maximum pressure: 100 PSI (upper red line)
What does the Oil Temperature Gage markings indicate?
Green arc (lower end): 38°C (100°F)
Red line (upper end): 118°C (245°F)
What do the markings on the Tachometer indicate?
Normal Operating Range (green arc): 1900 to 2550 RPM
Maximum (red line): 2550
What is the Static RPM on the Tachometer?
2280 RPM to 2380 RPM
What are the major engine accessories?
Starter, alternator belt, oil cooler
What is the electrical energy supplied by?
28-volt, direct current (meaning electrical current flows only one direction) system powered by an engine-driven, 60-amp alternator and a 24-volt, 14-amp hour battery. Power is then supplied via bus bar.
What airspeed may the windows be open up to?
143 knots
How does the fuel system work?
Fuel flows via gravity fed system to fuel shutoff valve, when ON, fuel flows through strainer to carburetor and proportionally mixes with air and flows to the cylinders.
Where is the fuel system vented?
Interconnecting line between left tank and right tank, vent line under left wing, vented filler caps.
What will occur with blocked vents in the fuel system?
Blockage of the fuel system will result in a decreasing fuel flow (lack of pressurization on gravity fed fuel system), and eventual engine failure
How is fuel quantity measured?
2 float-type fuel quantity transmitters (one in each tank) and is indicated by 2 electrically-operated fuel gages on instrument panel
What is maximum unusable fuel quantity?
1.5 gallons
When the fuel gage indicates E (empty), how much fuel remains?
approximately 0.75 gallons remain as unusable fuel
How many drain valves does the fuel system have?
- 1 under left wing
1 under right wing
1 under engine cowling
How often does the POH recommend to check the fuel drain system?
POH 7-21: “The system should be examined before the first flight of every day and after each refueling.”
What type of carburetor does the C152 have?
up-draft, float-type, fixed jet carburetor mounted on the bottom of the engine
How does the priming system work?
Primer (small pump on instrument panel), draws fuel from fuel strainer (pump pulled out) and injects it into cylinder intake ports (pump pushed in)
