Engine Intro & Construction

Question 1

Name the main engine modules

Answer 1

Gas Generator module
Inlet Particle Separator module
Reduction Gearbox module
Accessory Gearbox module
Power Turbine Module

Question 2

What are the 5 key areas/components that make up the Gas Generator module?

Answer 2

Front frame
rear support
compressor section
combustion section
gas generator turbine

Question 3

What is the purpuse and secondary functions of the IPS?

Answer 3

Cleans the air (preventing foreign object debris damage), reduces the IR signature of the exhaust, provides a water wash facility.

Additionally the IPS blower acts as the oil cooler fan.

Question 4

Name/Identify the mounted and driven items that are on the accessory gearbox.

Answer 4

Front face - Starter Generator, Hydromechanical Unit

Rear face - Oil Pump Assembly, Permanent Magnet Alternator

Question 5

The 2 minute One Engine Inoperative (OEI) and 30 second OEI life of the engine is directly affected by exceedances of which primary engine parameters?

Answer 5

Power Turbine Inlet Temperature (PTIT) and Torque (TRQ)