Oil System

Question 1

Oil Compacity (each engine)

Answer 1

2 liters (min) to 3 liters (max)

Question 2

Oil Type

Answer 2

Aeroshell Sport Plus 4 Rotax Oil (ONLY)

Question 3

Oil’s Main Purpose

Answer 3

Lubricate (Engine is primarily liquid and air cooled)

Question 4

What type is the lubrication system?

Answer 4

engine is provided with a dry sump forced lubrication system with an oil pump with integrated pressure regulator.

Question 5

How is the oil flow regulated?

Where does it go to?

What does this allow?

Answer 5

thermostatic valve regulates the oil flow to the heat exchanger (oil radiator) on the basis of oil temperature: this allows the engine starting in cold conditions.

Question 6

Where is the oil tank installed?

How does ventilation work?

Answer 6

behind the firewall protected from heat sources. Some holes on the bracket structure allow for air ventilation

Question 7

What’s the reservoir fitted with?

Answer 7

a dipstick; a hose, immediately located beneath the filler cap, allows for oil relief discharged in a safe zone in the cowling, far from exhausts and other heat sources.

Question 8

How Does the Oil Flow?

Answer 8

Oil tank -> Heat Exchanger -> Oil Pump -> Oil Filter -> Engine Components -> Oil Tank (Via Blowback Gasses)

Question 9

How does the oil travel from the tank to the engine?

Answer 9

Pressure created by the engine driven oil pump

Question 10

Why must pilots rotate the propeller during pre-flight?

Answer 10

Rotating the propeller forces oil through the system and is required to
accurately check oil quantity.

Question 11

What indicates that oil has been pumped through the system?

Answer 11

A murmur from the open oil tank.