Engine Flashcards
1
Q
Engine Type
A
1600 SHP Pratt and Whitney PT6A-68B free turbine engine
2
Q
What is the make up of the gas generator section?
A
4 stage axial compressor
1 stage centrifugal/radial compressor
combustion chamber
1 stage compressor turbine (to drive compressor and accessory gearbox)
3
Q
What is the make up of the power section?
A
2 stage power turbine to drive propeller via reduction gearbox
4
Q
What elements are driven via the accessory gearbox?
A
Hydraulic pump
No. 1 generator (also starter motor)
No. 2 generator
Low pressure fuel pump
High pressure fuel pump and fuel metering unit (FMU)
One triple element, triple inlet, main oil pressure pump
Two double element, gear type, oil scavenge pumps
