Javelin FGM Flashcards
What are the FGM-148 Javelin assemblies?
Command Launch Unit (CLU)
All-Up-Round (AUR)
What are the two motors of the Javelin and how are they configured?
Launch Motor & Flight Motor
In Line
What pressures does the Javelin BCU operate and vent at?
What is the proof pressure?
Operate at 7500 psi
Vent at 13,900 psi
Proof pressure 15,000 psi
What does the Launch Tube Assembly (LTA) consist of?
Forward & Aft End caps
CLU Interface Connector
Latch Assembly
Carry Handle
Shoulder Strap
What are the sub-components of the infra-red seeker section?
Imaging optics system
Staring focal plane array (FPA)/Dewar
Stabilsed platform
Azimuth/elevation gyroscope
Gimbal angle sensors
Cryostat
Contact fuse for precursor warhead
“Missile Fin Lock” is one signal required prior to firing warheads, what are the other two?
Missile Safe Separation
Missile ‘good guidance’ from GEU
What constitutes the Flight Motor, and how much?
1536g of RDX/NG/BTTN
What are the three components of the Guidance section?
Infra-red Seeker Section
Precursor Warhead
Guidance Electronics Unit
CLU Trigger operation time
Minimum 400ms
What are the four modes of operation for the CLU
Off
Day
Night
Test
What are the six phases of operation for the Javelin?
- CLU Prep, cooldown and Standby
- Activate AUR
- Track target
- Launch
- Flight Control
- Warhead Detonation
Phases of Operation
- CLU Prep, Cooldown and Standby
- Activate AUR
- Track target
- Launch
- Flight Control
- Warhead Detonation
Label Diagram - AUR
What is size and weight of the precursor warhead and what type of explosives is used?
60mm
372g
LX14
How long does the BCU function for?
Battery life of four minutes