The Cooling System

Question 1

Execssive high engine temprature will lead to

Answer 1

• Reduce efficiency of lubrication
• Affect combustion of fuel/air
• Cause detonation
• Weaken engine components and shorten life

Question 2

Most light aircraft are cooled by

Answer 2

air

Question 3

The cylinder have fins to

Answer 3

Help expose surface area to allow better cooling

Question 4

Air cooling is less effective when ____ power and ____ speed

Answer 4

high, low

Question 5

A name of a flap that is attached to the bottom of the fuselage below an engine to help cooling

Answer 5

Cowl flap, may increase parasite drag

Question 6

If CHT (cylinder head temp) is too high, you can:

Answer 6

• Open cowl flap
• Rich the mixture (as excess fuel help cool)
• Reduce engine power
• Increase airspeed