Power Plants Flashcards
(23 cards)
What is the INTAKE danger zone?
Within 9 ft idle and 25 ft at MIL (military standard) or MAX
What is the EXHAUST danger zone?
Within 115 ft to 925 ft (max power)
What are the refueling or defueling safe distances?
100 feet airborne radar
300 feet ground radar
Type of Engine
F414-GE-400 Low bypass, axial flow, dual spool turbofan engine of modular construction with afterburner
Ignition System
Automatic, intermittent duty, AC powered, capacitor discharge system
Ignition system is made up of what 7 parts?
- Alternator: FADEC
- engine fuel control ignition exciter
- main igniter
- AB igniter
- AB flame sensor
- two fan transmitters
- thermocouple harness
VEN
Variable Engine Nozzle system is a cam and link-positioned hinged-flap, convergent/divergent nozzle, mounted to the aft end of the afterburner
FVG
Fan Variable Geometry provides best efficiency of the fan while preserving fan stall margin
CVG
Compressor Variable Geometry provides best efficiency of the compressor while preserving compressor stall margin
FADEC
Full Authority Digital Engine Control, receives aircraft and engine sensor information, determines engine schedule
Weight with 1 drop tank plus full tanks? Drop tank alone?
18,000 lbs
3,000
What does secondary power system consist of?
APU (auxiliary power unit) and the AMAD (airframe mounted accessory drive)
What is AMAD?
What does it do?
Airframe Mounted Accessory Device, transmits power to the engine for starts.
What is APU?
What does it do?
Auxiliary Power Unit, provides power to AMAD during ground maintenance operations.
What does RAT stand for? What is it?
Ram Air Turbine A2, four bladed power source which drives the hydraulic pump via spline shaft.
What are 5 parts of AMAD?
- Motive fuel pump
- Hydro pump
- Air turbine starter
- Air turbine starter control valve
- Generator
what is the air to fuel ratio?
30:1
What are the Modes of Operation of FA-18E?
MES - Main Engine Start
GMM - Ground Main Mode
ECS - Environmental Control System
FA-18E fuel system allows for?
distribution, control, storage
What is the APU temperature and velocity at 19” diameter?
250-300 degrees Fahrenheit
24MPH
What is the meaning of “Fly by wire”?
All of the jets systems are operated by electronic systems, vice cable shad in older aircraft
What are the dangers associated with fuel?
Chemical burns and combustion.
What is the main precaution when preforming maintenance on ARS pod?
Ensure that the guillotine is not armed or loaded with CAD’s
