What are the 2 types of system types?
Wet and Dry
What is the purpose of ENGINE OIL?
Lubrication
Cooling for ROTOR BEARINGS, ACCESSORY BOX
Carry contaminants for testing
Describe a WET SUMP
In the system itself
DIAGRAM
Accessory gearbox
Describe a DRY SUMP
Most common
Separated
What are the subsystems of a DRY sump?
PRESSURE
SCAVENGE
BREATHER/VENT
What are the 2 types of Dry sump?
HOT TANK (oil cooler in pressure) COOL TANK (oil cooler in scavenge)
Describe a HOT TANK?
on the way
PRESSURE
Describe a COLD TANK?
returning
SCAVENGE