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Mortars > Characteristics > Flashcards

Characteristics Flashcards

1
Q

What is the range of the 81mm mortar?

A

5675m

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2
Q

What is the aim of mortar fire?

A

To support friendly forces by killing the enemy or neutralising their fire and to deny them use of the ground

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3
Q

What is a mortar?

A

Muzzle Loaded & Recoil absorbed into the ground

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4
Q

What is the Stokes Principle?

A

WW1 Farmer, created a steele tube, metal base plate, and firing pin at the bottom

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5
Q

What are the 4 categories of a Mortar?

A

Light 61mm, Medium 70-90mm, Heavy 100-120mm, X Heavy 120mm or above

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6
Q

Name 3 virtues of the mortar

A

Cheap, Simple and Close Support Weapon

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7
Q

What is the acronym for the characteristics of fire power?

A

BEACHLOAF

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8
Q

Recite the BEACHLOAF acronym

A

Beaten Zone, Effects of Fire, Accuracy, Consistency, High Rate of Fire, Long Time of Flight, Obscured Targets, Ammunition and Flexibility

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9
Q

What is the Beaten Zone?

A

Rounds fired from the mortar don’t land exactly in the same but create a pattern on the ground

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10
Q

What can effect a Beaten Zone?

A

Weather and Minute Variations

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11
Q

What can rain or damp in the barrel effect?

A

The mortars Range

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12
Q

The Mortar has a High, Medium or Low degree of accuracy?

A

High

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13
Q

When manufactured. How is consistency ensured on the round its self?

A

Machined to fine limits and has a Makralon Obturating Ring

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14
Q

How many rounds can a mortar fire?

A

More than 20

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15
Q

What it the normal rate of fire?

A

Rate 1-12 per minute

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16
Q

Factors to the Long Time of Flight

A

Low Muzzle Velocity, High Barrel Elevation, Wind Effect

17
Q

What is an obscured target?

A

Target effected by wind, fog, mist or at night

18
Q

Can you fire at an obscured target if it hadn’t been previously adjusted for?

A

Yes

19
Q

Lethal radius of HE

A

40m

20
Q

Casualty radius of HE

A

190m

21
Q

3 main types of ammunition

A

HE, WP, Illum

22
Q

What two forms can Illum come in?

A

White or IR

23
Q

What is the range of IR?

A

4800m

24
Q

How many mils can you adjust without moving the Bipod?

A

200mils

25
Q

Acronym for Deployment Characteristics

A

HMGWV

26
Q

What does HMGWV stand for?

A

High Trajectory, Mobility, Ground, Weight, Vulnerability

27
Q

Name some characteristics of High Trajectory

A
  • Fire behind cover
  • Overhead fire
  • Engage in deep ground
  • Mk 4 charge round reaches 800-10750ft
28
Q

Which 2 ways can the mortar be moved on the ground

A

Foot or Vehicle

29
Q

When siting the mortar, you must ensure the ground is prepped and…

A

Flat, firm and can take all the shock

30
Q

Name some vulnerbility characteristics when using the mortar

A
  • Sited in dead ground
  • Can be sound and radar located
  • Creates lots of muzzle flash and smoke

Mortars (2 decks)

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