weapons test

Question 1

What is the maximum combat load

Answer 1

100, 256, 3000

Question 2

Cooling rates for the 25

Answer 2

First 450 unrestricted

After 450, wait 35min for another unrestricted 450

15s for 15 round burst

25s for 25 round burst

50s for 50 round burst

100s for 100 round burst

11min for 350 round burst

ROT 1s for each round to be fired

Question 3

Max burst length for the 40 and why

Answer 3

Max burst length is 60 round, for cooling

Question 4

Max sustained rate of fire for the 105MM and why

Answer 4

3-10 rounds per minute for 30 rounds

3 rounds per minute after

At maximum or sustained firing rate only, load the next round immediately prior to firing

If a round is chambered for 5 minutes after firing at the sustained or max burst rate, the round must be removed

Leave the breech open between rounds for cooling

Question 5

Label

Answer 5

Question 6

Tac limitations of PGU-25

Answer 6

Cooling/ORIDE/Inhibits

First 450 unrestricted

12 sec for clearing cycle

ORIDE-100rnd burst

Question 7

30mm Fuzes

Answer 7

PGU-13B M505A3

PGU-46 FMU-151

Question 8

Fuze action time for PGU-13B

Answer 8

function time-less than 50 microseconds

Question 9

Differences PGU-46 and PGU-13

Answer 9

PGU-46/B HEI round adds a lower drag fuze as a modification to the Air Force 30mm PGU-13

HEI untraced projectile

Plugged tracer well

Non self-destruct fuze that provides superior performance at extended slant ranges

Question 10

What is the 105 mm HE M1 (MOD) PGU-44/B Explosive filler type?

Answer 10

COMPOSITION B - it is very stable

Question 11

What is the penetration distance of 105 mm HE M1 PGU-44/B and how it’s aided in penetration?

Answer 11

10 inches 5000 psi concrete

Uses FMU-153/B fuze designed for hardened targets

Question 12

FMU-153/B

Answer 12

Not sensitive to light impact and requires at least 2 inches
of wood to initiate detonation

Question 13

List and Describe 3 weapons effects in relation to AC-130U munitions. Primary and Secondary effects of AC-130U

Answer 13

Fragmentation

Most powerful effect

Initial shock wave in excess of 26k FPS/fragments 7k FPS

Blast/Shock

Never the primary desired effect from AC-130 munitions

Some Damage

Personnel must be w/in about 20 ft for lethality

Cratering

Not normally a useful weaponeering effect

Effects on runways

Penetration

105 PD = 10” of 5k psi concrete

Incendiary

Fire starter that may destroy a target after some amount of time

Question 14

How many rounds can be stored in the upper and lower bins of the AC-130W?

Answer 14

270 per bin

Question 15

Difference between PGU-9B/B and PGU-9B

Answer 15

PGU-9/B Misch metal rounds

PGU-9B/B Zirconium rounds

Question 16

What is the PGU-45/B burst height with FMU-160/B proximity fuze and why it’s pattern is different from M732

Answer 16

14.2 ft height of burst - better frag pattern than M732

Heat treated, steel alloy with a more uniform spray pattern

Question 17

Advantage of FMU-160/b Proximity fuze vs. 44/B with FMU-153/B hard-Target Fuze

Answer 17

Provides 14.2 ft height of burst

Automatic point detonation backup mode

Insensitive to background reflectivity

Highly effective CAS tool that can concentrate kill power