CIRRUS SR20 UPDATED COMPREHENSIVE EXAMS
QUESTIONS AND ANSWERS SURE A+
✔✔What does naturally aspirated mean? Is the engine equipped in our plane naturally
aspirated? - ✔✔Naturally aspirated means that the engine receives all of its air for the
fuel air mixture from the surrounding air.
Basically, this means that the engine is not turbocharged or supercharged.
The cirrus SR20 is a naturally aspirated engine.
✔✔Explain the propellor. - ✔✔It is a Hartzell, constant speed, prop made of aluminum
alloy with a 74-inch diameter.
✔✔Explain the landing system. - ✔✔It is a tricycle gear system. The front landing gear
is a 170-degree free castering wheel that has an oleo strut for shock absorption (uses
both air and oil to aid in shock absorption).
The main landing gear have differential braking capabilities which are powered by
hydraulic pressure.
✔✔Explain the flaps on the SR20. What is their purpose? - ✔✔They are single slotted
flaps that are electrically controlled to extend or retract.
, Their purpose is to change the shape of the wing to provide more lift during specific
stages of flight.
✔✔What are the primary flight controls? - ✔✔The ailerons, elevator, and rudder.
✔✔What is the horsepower of the cirrus SR20 engine? What type of engine does that
make it? - ✔✔It has 215 Horsepower. This makes the engine qualify as a high-
performance plane. (Need at least 200 horsepower in order to qualify as high
performance)
✔✔Give a basic summary of fuel's path through the cirrus system. - ✔✔ACRONYM :
WWFEGET
W. Wing outboard tank
(Flapper valve between both tanks)
W. Wing collector tank
F. Fuel selector
E. Electrical auxiliary fuel pump
G. Gascolator
E. Engine driven fuel pump
T. Throttle metering valve
(Then onto injection manifold and cylinders)
✔✔What are the bonuses to having an aft CG? What about the cons? - ✔✔Pros
- Lower stall speed
- better cruise characteristics
Cons
- Less stable
- Worse stall characteristics
✔✔What are the bonuses to having a forward CG? What about the cons? - ✔✔Pros
- Better stall characteristics
- More stable
Cons
- Higher stall speed
- Worse cruise characteristcs
✔✔Which is more preferable, a forward CG or an aft CG? - ✔✔A forward CG is
preferable because it has better stall characteristics
QUESTIONS AND ANSWERS SURE A+
✔✔What does naturally aspirated mean? Is the engine equipped in our plane naturally
aspirated? - ✔✔Naturally aspirated means that the engine receives all of its air for the
fuel air mixture from the surrounding air.
Basically, this means that the engine is not turbocharged or supercharged.
The cirrus SR20 is a naturally aspirated engine.
✔✔Explain the propellor. - ✔✔It is a Hartzell, constant speed, prop made of aluminum
alloy with a 74-inch diameter.
✔✔Explain the landing system. - ✔✔It is a tricycle gear system. The front landing gear
is a 170-degree free castering wheel that has an oleo strut for shock absorption (uses
both air and oil to aid in shock absorption).
The main landing gear have differential braking capabilities which are powered by
hydraulic pressure.
✔✔Explain the flaps on the SR20. What is their purpose? - ✔✔They are single slotted
flaps that are electrically controlled to extend or retract.
, Their purpose is to change the shape of the wing to provide more lift during specific
stages of flight.
✔✔What are the primary flight controls? - ✔✔The ailerons, elevator, and rudder.
✔✔What is the horsepower of the cirrus SR20 engine? What type of engine does that
make it? - ✔✔It has 215 Horsepower. This makes the engine qualify as a high-
performance plane. (Need at least 200 horsepower in order to qualify as high
performance)
✔✔Give a basic summary of fuel's path through the cirrus system. - ✔✔ACRONYM :
WWFEGET
W. Wing outboard tank
(Flapper valve between both tanks)
W. Wing collector tank
F. Fuel selector
E. Electrical auxiliary fuel pump
G. Gascolator
E. Engine driven fuel pump
T. Throttle metering valve
(Then onto injection manifold and cylinders)
✔✔What are the bonuses to having an aft CG? What about the cons? - ✔✔Pros
- Lower stall speed
- better cruise characteristics
Cons
- Less stable
- Worse stall characteristics
✔✔What are the bonuses to having a forward CG? What about the cons? - ✔✔Pros
- Better stall characteristics
- More stable
Cons
- Higher stall speed
- Worse cruise characteristcs
✔✔Which is more preferable, a forward CG or an aft CG? - ✔✔A forward CG is
preferable because it has better stall characteristics
