Phase III, Block III - Powerplant Flashcards Preview

F-35C Enlisted Aviation Warfare Specialist (EAWS) > Phase III, Block III - Powerplant > Flashcards

Flashcards in Phase III, Block III - Powerplant Deck (22)
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1

What are safe distances from directly behind exhaust?

50 ft radius at idle to 200 ft radius at maximum power.

2

What are safe distances to maintain when idle?

3 ft forward of intake edge.

3

What are safe distances to maintain when at military power?

9 ft from intake edge, or 9 ft aft of intake to prevent being pulled into intake.

4

What are safe distances to maintain while IPP is running?

15 ft radius aft of IPP exhaust.

5

What cautions should maintainers be aware of with IPP exhaust?

Hazard area presents high temperature danger under aircraft, posing extreme danger to anyone working underneath aft section of aircraft.

6

Fueling or de-fueling shall not be done within how many feet of operating airborne type radio or air radar equipment?

100 ft

7

Fueling or de-fueling shall not be done within how many feet of operating ground radar equipment?

300 ft

8

What is the type of engine used in the F-35C?

F135-PW-400 engine

9

Describe the F135-PW-400 engine.

- Advanced axial flow
- twin-spool
- counter-rotating augmented turbofan engine with an annular combuster
- has augmentor for supersonic operation
- nonvectoring variable geometry nozzle

10

The ignition system is designed to provide what?

High voltage to gas generator igniters for engine start and to augmentor pilot burner for augmentation.

11

The ignition system features how many exciters?

2

12

What are the two exciters for the ignition system?

Exciter A
Exciter B

13

What is FADEC?

Full Authority Digital Engine Control

14

What is PHAM?

Prognostic Health Area Monitor

15

What is MEFP?

Main Engine (ME) Full Authority Digital Engine Control (FADEC) Prognostic Health Area Monitor (PHAM)

16

Exciters are controlled by what?

MEFPs

17

How many MEFP are there?

2 - A, B

18

MEFP A contains what circuit(s)?

Gas generator circuit
Augmentor circuit

19

MEFP B contains what circuit(s)?

Second gas circuit

20

What are two main functions provided by MEFPs?

Control and monitoring

21

Where are MEFPs mounted?

Mounted on lower fan duct at 5 o'clock (MEFP B) and 7 o'clock (MEFP A) positions

22

Describe the Lubrication System.

Self-contained, closed loop system - cleans and cools oil for cooling and lubrication of bearings and gears.