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ATO Course > Artillery? more like im sleepy! amirite > Flashcards

Artillery? more like im sleepy! amirite Flashcards

1
Q

ARTILLERY

What are the 6 ammo projectiles

A 
m107 HE
M795 HE
M825
M825A1 smoke
M485A2 smoke
M804A1 Prac
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2
Q

PROJECTILE 155MM HE M795

Why is it better than the 107?

A

Better range and lethality

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3
Q

PROJECTILE 155MM HE M795

Main explosive fill?

A

TNT 10.8kg

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4
Q

PROJECTILE 155MM HE M795

What is it designed to do

A

Produce blast and frag

36kg high fragmentation body

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5
Q

PROJECTILE 155MM HE M795

what is the gilded metal driving band used for?

A

Impart spin
centre projectile
prevent falling back into breech

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6
Q

PROJECTILE 155MM HE M795

What is removed when using the PGK (precision guidance kit)

A

Sup charge

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7
Q

Fuze ET M762A1 and M767A1

What two modes can the fuze be set to

A

ET and PD

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8
Q

Fuze ET M762A1 and M767A1

when does PD arm and ET arm?

A

PD 0.45 seconds after leaving the barrel

ET setting delay of 0.5 to 199.9 seconds

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9
Q

Fuze ET M762A1 and M767A1

What are the electric components powered by?

A

Lithium thionyl chloride battery, battery life of 15 days once activated

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10
Q

Fuze ET M762A1 and M767A1

what stimuli are needed to arm the fuze

A

set back of 800g no arm, 1000g all arm

900 RPS no arm, 2100 RPS all arm

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11
Q

Fuze ET M762A1 and M767A1

What is the booster charge composition?

A

PBXN-5 type 1, 30g

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12
Q

Fuze ET M762A1 and M767A1

What are the three assemblies?

A

Ogive assembly
fuze housing assembly
end cap assembly

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13
Q

Fuze ET M762A1 and M767A1

three parts WITHIN the fuze housing assembly

A

Liquid crystal display
Printed circuit board
Power supply module

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14
Q

Fuze ET M762A1 and M767A1

What is EPIAFS

A

Electronic portable inductive artillery fuze setter

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15
Q

Fuze ET M762A1 and M767A1

What does set back force and centrifugal force have to do with the arming

A

Setback: Disengage setback lock from slider
Centrifugal: disengages spin lock from slider upon muzzle exit

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16
Q

FUZE PD M739 and M739A1

what is the difference between the three varients?

A

change in booster composition

17
Q

FUZE PD M739 and M739A1

what are the 2 requirements needed to happen superquick and delay?

A

Superquick: 1050 rpm no arm 1800 all arm
Delay: No arm 1075 all arm 2025

18
Q

FUZE PD M739 and M739A1

Booster explosive compisition?

A

PBXN-5 (HMX 95% and 5% binder)

19
Q

FUZE PD M739 and M739A1

What are the five sub assemblies?

A 
cross bar and holder
firing pin and detonator 
setting sleeve 
Impact delay module
Safe and arming
20
Q

PROJECTILE 155MM ILLUM M485A2

Burn time and lumens?

A

120 Seconds with 1,000,000 candela

21
Q

PROJECTILE 155MM ILLUM M485A2

how long does the pyro delay take to burn?

A

8 Seconds

22
Q

PROJ 155MM SMOKE WHITE PHOSPHORUS M825A1

What is the only fuze authorised to be used with WP?

A

ET M762A1

23
Q

PROJ 155MM SMOKE WHITE PHOSPHORUS M825A1

how many WP Wedges?

A

116, 29 in each quadrant

24
Q

PROJ 155MM SMOKE WHITE PHOSPHORUS M825A1

How long does it take to establish the smoke screen? width? duration?

A

45 seconds, 125-250m and lasts for 5-10 minutes

25
Q

PROJECTILE 155MM SMART DM702A1

What authorised items can the round be equipped with?

A

ET M762A1
M232A1
M82

26
Q

PROJECTILE 155MM SMART DM702A1

What does the warhead consist of?

A

OCTOL and HMX 70/30

27
Q

PROJECTILE 155MM SMART DM702A1

Once stabilised, what angle does it tilt at?

A

30 degrees

28
Q

PROJECTILE 155MM SMART DM702A1

At what height does submunition self destruct if no target is detected?

A

20m

29
Q

PROJECTILE 155MM SMART DM702A1

what are the three major sub components in the submunitions?

A

Orientation and stabilisation
Multi code sensor
war head with safe and arming device

30
Q

M232A1 MODULAR ARTILLERY CHARGE SYSTEM(MACS)

what type of propellant?

A

Triple base

31
Q

M232A1 MODULAR ARTILLERY CHARGE SYSTEM(MACS)

How many increments can be packed into a container?

A

5

32
Q

M232A1 MODULAR ARTILLERY CHARGE SYSTEM(MACS)

What happens if howitzer is fired at charge 5 ?

A

May cause excessive pressures

can result in firing mechanism components shearing and separating from gun

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