Fuse Arming and Firing Forces Flashcards
1
Q
6 forms of energy
A
Chemical Electrical Thermal Radiant Mechanical Acoustic
2
Q
4 batteries
A
Wet cell
Dry cell
Galvanic cell
Thermal
3
Q
7 fuse arming principles
A
Electrical impulse Gas pressure Pressure Arming delay Arming device Bore safe Bore riding pin
4
Q
Before and after projectile clears muzzle
A
Bore safe, bore riding pin
5
Q
6 arming forces
A
Acceleration/setback Décélération arming Sustained acceleration Creep spring Centrifugal force Impellers
6
Q
Creep spring
A
Spring used to prevent creep action of a firing pin during slowing
7
Q
5 non explosive fuse components
A
Detent Slider Firing pin Rotor (gears) Escapement device- regulates transmission of energy
8
Q
10 Fuse types
A
Impact Time Proximity/variable time Clock work Magnetic Seismic Fatigue action Chemical delay Pyrotechnic delay Pressure
9
Q
3 impact fuses
A
Point det
Base det
Point initiating base det (PIBD)
10
Q
Point det 3 fuse options
A
Super quick, non delay, delay
11
Q
Base det workings
A
Floating fire pin, function result of inertia
12
Q
2 types of PIBD
A
Mechanical (spit back) and Electrical (piezoelectric)
13
Q
3 types time fuses
A
Powder train time PTTF
Mechanical time MT
electrical time ET
14
Q
PTTF times
A
Fixed-15 secs
Variable-5 to 25 secs
15
Q
Proximity/VT 2 types
A
Active/passive
Radome
