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AT Course > Weapon design > Flashcards

Weapon design Flashcards

1
Q

What are the two main parts of a gun?

A

The carriage or mounting

The gun

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2
Q

What are the 3 types of muzzle break?

A

Built up
Solid forging
Swaged- single or double baffle

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3
Q

What are the 2 categories or breech mechanisms

A

Screw

Sliding

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4
Q

What do fume extractors aid in?

A

They prevent the fumes entering the crew compartment

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5
Q

What are the methods or barrel construction?

A 
Wire wound
Built up barrels 
loose barrel
Composite barrel
Monobloc
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6
Q

What is the function of ordnance?

A

It provides a vessel to contain the force of the burning charge in a way that the energy produced is transmitted safely and predictably to the projectile and it imparts direction and stability to the projectile.

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7
Q

What is a carriage?

A

Ordnance that is transported on its wheels and is fired with its wheels in contact with the ground.

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8
Q

What is a mount?

A

It is ordnance that does not fire with its wheels in contact with the ground.

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9
Q

What are the 2 types of mounts?

A

Mobile

Self propelled

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10
Q

What makes up the super structure?

A 
Saddle
Recoil system
Cradle
Balancing gear
Elevating gears
Traversing gears
Sights
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11
Q

What are the 3 types of cradle?

A

Trough
Open
Ring

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12
Q

What makes up the recoil system in a piece of ordnance?

A

The buffer

The recuperator

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13
Q

What are the types of elevating gears?

A

Worm and segment
Nut and screw
Arc and pinion

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14
Q

What are the types of traversing gears?

A

Worm and segment
Nut and screw
Arc and pinion
Rapson nut and screw

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15
Q

What makes up the basic structure?

A 
Platforms
Aarticulations
Spades
Trails
Wheels and axles
Saddle supports
Suspension and brakes
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16
Q

What are the 4 types of trail?

A

Pole
Box
Bowed
Split

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17
Q

What are the main components of the mortar bomb?

A

Bomb body including fuze

Tail unit

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18
Q

What are the two types of augmenting charges?

A

Thin leaves of plasticised and bonded propellant stapled together.
Hollow plastic cartridges containing granular propellant

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19
Q

What is the definition of a mortar?

A

A weapon where the main recoil force is transmitted directly into the ground through the base plate. Usually smooth bore, muzzle loaded, fin stabilized, with its own propelling charge at low Muzzle Velocity and high trajectory.

20
Q

What are the types of artillery ammunition?

A 
HE
Smoke
Illuminating
Guided projectile 
Submunitions
21
Q

What are the 5 basic requirements of artillery?

A 
Range
Accuracy and consistency
Mobility
Protection
Ammunition
22
Q

What are the 2 main methods used without altering the artillery weapon system to increase range?

A

Ballistic coefficiency

Post firing boost

23
Q

Define the world accuracy

A

The measurement of precision where the MPI of a group of rounds can be placed on the target

24
Q

What is the definition of ammunition?

A

All of the material used in discharging all types of fire arms or any weapon that throws projectiles, shot, shrapnel, bullets, cartridges and the means of igniting and exploding them as primers and fuzes. Chemicals, bombs, grenades, mines and pyrotechnics are also ammunition.

25
Q

Who invented the breech loading gun?

A

Sir William Armstrong

26
Q

Who is credited with the concept of a gun?

A

The monk Black Berthold

27
Q

Who designed the first modern combustion time fuze?

A

Colonel Boxer

28
Q

What are the types of rifling?

A 
Hexagonal barrel and projectile
Studded projectile
Lead coated projectile
French rifling
Oval bore
Vavassuer’s driving band
29
Q

What is indirect fire

A

Firing a projectile on a ballistic trajectory outside of line of sight

30
Q

What are sights for?

A

Allows you to position the barrel with the correct line and elevation

31
Q

What are HE projectiles designed to do?

A

Disperse high velocity fragments and the effect is accompanied by blast

32
Q

What are arty fuzes for HE?

A

Air burst
Ground burst
Delay

33
Q

What are smoke used for?

A

Screening of movements
Marking of targets
Blind enemy observation

34
Q

Advantages smoke

A

In good weather it can blind or screen

35
Q

Why are illum carried at lower percentage now?

A

Thermal imaging
Infrared sights
Low light TV
Image intensifiers

36
Q

What are considerations for delivery systems?

A 
Terrain
Effect required at target
Range
Mobility
Nature of task
Protection
37
Q

What are the tasks of delivery systems?

A 
Neutralization
Illumination
Counter battery fire
Coordination of fires
Destruction
Interdiction
Suppression
Harassment
38
Q

Definition of FFR?

A

A tube open at one end in which fuel is burnt and the gases escape out the open end. The momentum of escaping gases cause an equal and opposite reaction on the closed end.
The projectile flight path cannot be changed

39
Q

What is ammunition?

A

All the material used in discharging all types of firearms or any weapon that throws projectiles, shot, shrapnel, bullets, cartridges and the means of ignoring and exploding them.
Chemicals bombs mines and pyrotechnics are also ammunition.

40
Q

Two types of barrel wear

A

Erosive and abrasive

41
Q

Why is windage a factor?

A

Allows the bomb to drop straight the bottom of the barrel

42
Q

What is windage?

A

The gap between the outer wall of the bomb and the inside wall of the tube

43
Q

What is a disadvantage of fixed propellant?

A

It has a flat trajectory

44
Q

What is shot start?

A

When the projectile begins to move in the barrel

45
Q

How can life of the barrel be extended?

A

Cooler burning propellants
Barrel cooling techniques
Bore surface finishes

46
Q

How can life of the barrel be extended?

A

Cooler burning propellants
Barrel cooling techniques
Bore surface finishes

AT Course (14 decks)

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