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AT 0013 > Arty and Fuzes > Flashcards

Arty and Fuzes Flashcards

1
Q

What fuzes can be attached to the PROJ 155mm M107 HE?

A

ET M767A1,
MOFA M782,
PD M739A1

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2
Q

What fuzes can be attached to the PROJ 155mm M795 HE?

A

ET M767A1,
MOFA M782,
PD M739A1,
MO PGK M1156

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3
Q

What fuze can be attached to PROJ 155mm M825 Smk WP & PROJ M825A1 Smk WP?

A

M762A1

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4
Q

What fuze can be attached to the PROJ 155mm M485A2 ILLUM?

A

ET M767A1

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5
Q

What are the propelling charges for the PROJ 155mm rounds?

A

Charge Propelling 155 M3A1( Green Bag)
Charge Propelling 155 M4A2( White Bag)
M231 Modular Artillery Charge System (MACS) green
M232A1 Modular Artillery Charge System (MACS) tan
Percussion Primer M82

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6
Q
A

MTSQ M577A1 (VECP)

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7
Q
A

MTSQ M582A1

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8
Q
A

M767A1 Fuze

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9
Q
A

MOFA M782 Fuze (Multi Option For Artillery)

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10
Q
A

PD M739A1 Fuze

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11
Q
A

MO PGK M1156 Fuze (Multi Option, Precision Guidance Kit)

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12
Q
A

M231 MACS (Modular Artillery Charge System)

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13
Q
A

M232A1 MACS (Modular Artillery Charge System)

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14
Q
A
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15
Q
A

PROJECTILE 155MM WHITE PHOSPHORUS M825A1

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16
Q
A

PROJECTILE 155MM HE XM982 (EXCALIBUR)

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17
Q
A

PROJECTILE 155MM HIGH EXPLOSIVE M107

18
Q
A

PROJECTILE 155MM SMART DM702A1

19
Q
A

PROJECTILE 155MM ILLUMINATING M485A2

20
Q
A

PROJECTILE 155MM HIGH EXPLOSIVE (HE) M795

21
Q
A

PROJECTILE 155MM HIGH EXPOSIVE M1122

22
Q

What sections make up the PROJ 155mm HE XM982 Excalibur?

A

Guidance, Navigation and Control (GNC) Section
Payload
Base Assembly

23
Q

What is used to inductively set fuzes?

A

Electronic Portable Inductive Artillery Fuze Setter

(EPIAFS)

24
Q

What makes up the main fill and supp charge of the PROJ 155mm HE M795?

A

HE - TNT 10.8kg
Supp Charge - TNT 0.136kg

25
Q

What are the 2 types of MACS charges we use and what are they made of?

A

M232A1 (Tan)
M231 (Green)
Made of Combustible case-Pyroxylin Plastic

26
Q

What is the type of propellant used in the MACS M232A1 (Tan)?

A

M31A2
Triple Based
2.23kg Per Bag

27
Q

What is the type of propellant used in the MACS M231 (Green)?

A

PAP-7993
Single Based
1.59kg Per Bag

28
Q

WRT the Safety and Arming Mech in the M767A1/M762A1 fuze, describe its unarmed state.

A
  • The slider is held by the setback and spin locks
  • This mechanically holds the elec det out of line with the lead charge
29
Q

How many wedges are in the Projectile 155mm WP M825A1?

A

116 Felt Wedges (5.78kg Total)

30
Q

What makes up the burster in the Projectile 155mm WP M825A1?

A

21.2g of Comp A5

31
Q

What makes up the expulsion charge in the Projectile 155mm WP M825A1?

A

51g of M10

32
Q

How bright and for how long does the Proj 155mm Illum M485A2 burn for?

A

1 million candela for 120 seconds

33
Q

Label and name this part

A

M762A1 Safe and arming module

34
Q
A

155mm Illuminate candle housing

35
Q

How does the M485A2 work?
(long boy just blue it, bookmark it and read 2 mins before the test lol)

A

fuze functions and the Primary Expelling Charge is ignited.
expelling charge generates gas pressure and ignites the delay composition in the Delay Holder
gas pressure builds up until it is sufficient to cause the shear pins at the base of the projectile to fail.
shear pins fail the contents of the projectile are ejected rearwards
Drogue Parachute Assembly deploys, bringing the complete internal assembly into a vertical plane
four spin retardant fins deploy, slowing down the rotation
After approximately eight seconds the delay composition burns through and ignites the Secondary Expelling Charge.
secondary expelling charge ignites the main illuminant candle and expels the candle along with the main parachute. The burning candle descends beneath the deployed main parachute

36
Q

3 major sub-components of the SMART DM702A1 sub munitions?

A
  • Orientation and Stabilisation Unit
  • Multi Mode Sensor
  • Warhead containing Safe and Arming Mech
37
Q

At what height does the sub munition self destruct if no target is achieved?

38
Q

Order of Fire for the SMART DM702A1.

A
  • Fuze functions
  • Ejection charge fired
  • Power activated
  • Sensors activated
  • Warhead armed
  • Range finding
  • False target rejection
  • Target detection
  • Aim point calculated
  • Warhead fired
39
Q

How many fragments does the Proj 155mm M107 HE produce?

A

Approximately 1950 fragments

40
Q

MTSQ M577A1/ M582A1
Safety/Arm stimuli
Arming distance
Arming time if over 4sec
Setting range
Shipping and storage position

A

600G/30rps
46m +0-1.5m
3-6 sec before time
2-200sec in 0.1 sec increments
Between 93.5&95.5, triangle visible

41
Q

WP M825A1 Smoke screen properties

A

Establishes in less than 45 sec
Width 125-250m
Lasts 5-10 min

42
Q

Know them, love them

AT 0013 (21 decks)

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