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AT 0013 > History Of Weapons And Explosives > Flashcards

History Of Weapons And Explosives Flashcards

1
Q

What was the brittish name of the adopted filler Pitric acid?

A

Lyddite

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2
Q

What are the ingredients of Greek fire?

A

Naphtha, sulphur and pitch

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3
Q

What are the main ingredients of the Chinese gunpowder?

A

Saltpetre, sulphur and charcoal

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4
Q

What was Roger bacon’s importance in the development of explosives?

A

He described the composition of gunpowder and experimented to improve its quality.

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5
Q

What are the early variations of rifling?

A

Vavasseurs driving band
Woolwich rifling
Oval bore
French rifling
Hexagonal rifling
Lead coated shell

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6
Q

Who designed the first modern combustion time fuse?

A

Colonel Boxer

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7
Q

Why were trunnions an important improvement to weapons?

A

Absorbed some of the recoil shock

Allowed the gun to be raised and lowered for firing

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8
Q

Who invented the breech loading gun?

A

Sir William Armstrong

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9
Q

Who is credited with the concept of a gun?

A

The monk black berthold

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10
Q

What term is used to describe the diameter of the bore?

A

Calibre

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11
Q

What are the 3 types of muzzle breaks?

A

Built up
Solid forging
Swaged - double baffle, single baffle

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12
Q

What are the 2 categories of breach mechanisms?

A

Screw
Sliding

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13
Q

What do fume extractors aid in?

A

To prevent the fumes entering the crew compartment

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14
Q

List the methods of barrel construction.

A

Wire wound
Built up barrels
Loose barrel/loose liner
Composite barrels
Monobloc

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15
Q

What are the components of a super structure

A

Saddle
Recoil system
Cradle
Balancing gear
Elevating gear
Traversing gears
Sights

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16
Q

What are the two major structures of a carriage or mounting?

A

The superstructure
The basic structure

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17
Q

What is the difference between a carriage and a mounting?

A

A carriage travels and fires on its wheels in contact with the ground

A mounting does not fire with its wheels in contact with the ground.

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18
Q

What are the types of elevating gears?

A

Worm and segment
Nut and screw
Arc and pinion

19
Q

What is the function of the trail?

A

Transmit recoil forces to the ground
Hold the gun in firing position
Connects the weapon to the vehicle

20
Q

What are the types of trail?

A

Pole trail
Box trail
Split trail
Bowed box trail

21
Q

What is the desired result when using delay fuzing on HE?

A

To achieve a much greater cratering affect which can be used to penetrate OHP and enhance blast effects

22
Q

What are the 5 basic requirements of artillery?

A

Range
Ammo
Accuracy and consistency
Mobility
Protection

23
Q

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

A

Ballistic coefficient
Post firing boost

24
Q

Define the word accuracy?

A

Measurement of precision with which the MPI, of a group of rounds can be placed on a target.

25
Q

State 4 variations that affect consistency?

A

Muzzle velocity
Ballistic coefficient
Weather conditions
Laying, ramming and wear of the gun

26
Q

What is the definition of a mortar?

A

A mortar is a weapon in which the main recoil is transmitted directly to the ground through the baseplate. It is usually smooth bore, muzzle loading, fin stabilised bomb, with own propelling charge, at a low MV and high trajectory.

27
Q

What are the main components of a mortar bomb?

A

Fuze, body, obturation ring, tail, fins

28
Q

What are the design features of a conventional mortar?

A

Smooth bore
Muzzle loading
No recoil mechanism
Restricted to firing above 800mil
Cannot be fired in a direct roll

29
Q

The preferred method of stabilisation of mortar rounds is (a) stabilised. (B) stabilisation is not preferred because it increases mechanical complexity of the weapon and (c) the rate of fire.

A

(a) fin
(b) spin
(c) reduces

30
Q

What is the definition of ammunition?

A

All the material used in discharging all types of firearms or any weapon that throws projectiles, shot, shrapnel, bullets, cartridge and the means of igniting

30
Q

What is the definition of ammunition?

A

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

31
Q

What are the considerations for delivery systems?

A

Nature of task
Terrain
Effect required at target
Range
Mobility
Protection

32
Q

What are the two main components of the gun?

A

The ordnance
Carriage or mounting

33
Q

What are the categories of mortars?

A

Light
Medium
Heavy
Gun

34
Q

What are the sequence of events in firing?

A

Shot start
Max pressure
All burnt point

35
Q

What are some barrel characteristics?

A

Life
Strength
Stiffness
Centre of gravity

36
Q

What are advantages to mortars?

A

Large rate of fire
Mobility
Effect against unprotected troops
Low velocity
Simple and inexpensive
Easy to operate
Silent in flight
Light weight
Easy to conceal

37
Q

What are the disadvantages to mortars?

A

No direct or low fire angle
Easy to locate
Limited range
Long flight time
Requirement to bed in

38
Q

What are some advantages to FFR?

A

Large rate of fire
Range increase only incures small weight penalty
Able to saturate an area quickly
Greater potential as a carrier

39
Q

What are some disadvantages to FFR?

A

Sustained rates of fire can be a problem
Flat trajectory
Inferior range accuracy and consistency

40
Q

What are the components of a basic structure?

A

Trails
Saddle supports
Articulations
Spades
Platforms
Wheels and Axel’s
Suspension and breaks

41
Q

What are the fuze types for mortar ammunition?

A

PD
Delay
Mechanical time super quick
Proximity

42
Q

What does a super structure do?

A

Supports the ordnance in firing position
Gives it direction in azimuth and direction
Provides axial movement for recoil and the sighting system

43
Q

What does the basic structure do?

A

The part in contact with the ground and transferring the firing stresses

AT 0013 (21 decks)

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