Carburettor Flashcards Preview

AGK - Engines > Carburettor > Flashcards

Flashcards in Carburettor Deck (6)
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1
Q

Impact ice

A

Water droplets in the atmosphere coming into contact with engine parts below 0*c

2
Q

Fuel ice/refrigeration ice

A

Cooling effect on water droplets of fuel evaporation after induction into the airstream

3
Q

Throttle ice

A

Freezing of water droplets at or near the throttle - can completely jam the throttle

4
Q

Symptoms of carb icing

A
Low CHT
Rough running 
Loss of power 
Drop in RPM (fixed pitch props only)
Drop in MAP (constant speed props)
5
Q

Carb heat

A

Hot air from the exhaust is run through the carburettor

Reduces the RPM of the engine due to the less dense air

Apply for 20-30 secs only

6
Q

Diffuser - carb

A

Prevents rich cut

Increases the amount of air mixing with the fuel - decreases the amount of fuel in the engine

Maintains a correct mixture across a wide speed range