Section 2 Flashcards
What is a fuze or pistol designed to do
Initiate the detonation, ejection, ignition or dispersion of an EO filling at a pre-selected time or position
What is the main difference between a fuze and pistol
A fuze contains explosive components and a pistol contains no explosive components
HESH Projectiles may be nose and/or tail fuzed
False they are only Tail fuzed
What are the five main categories of projectiles
High Explosive Carrier Shot Prac Dummy
What is the main identification feature for mortars
The Spigot or Tail Section
How can stability be provided to a projectile without driving bands
With a tail fin assembly
What is fitted to larger projectiles to extend their range
RA(Rocket Assist)
BB(Base Bleed)
List the 9 generic ID Features of Frag/Blast Projectiles
Pointed Ogival Nose and a streamlined body
Generally of One Piece Construction
A low charge to weight ratio
Squared or tapered base
A Driving band placed near the base of the projo
A fuse which can be located in the nose or base
What are the main components of grenades
Fuse
Body
Main Filling
What are the 4 types of HE grenades
Blast
Frag
HEAT
HEDP
Fragmentation grenades cause injury through over pressure with minimal fragmentation effects. True or False
False
List the 6 ID Features of a HEAT Projectile
Ogival nose, conical sometimes prob shaped nose it is designed to provide ballistic standoff.
Either a fixed of slipping driving band or fins which may be fixed or hinged to the base.
The Projectile body has parallel side and made of two piece construction joined near the ogive.
If no driving band is present, the projectile may have two bourrelets.
List the 6 typical ID features of AP/SAP Projectiles
A pointed but truncated nose
Heave one piece body construction
Base fuse only
A tracer compartment which may be fitted onto or into the base.
May be fitted with windshield and or Armour piercing caps.
What are the main components of rockets
Warhead Fuze Rocket Motor Venturi or Nozzle Fins
What is the main difference between rockets and
missile
Missles have a guidance system
What is the definition of armed, in relation to fuzes
A fuze is armed when all the safety devices and features incorporated in the fuze have been eliminated or are not functioning so that the fuze had completed its arming sequence.
What is the purpose of a relay in a fuze
The Purpose is to pick up a weak explosive stimulus, augment it and transmit the amplified impulse to the next component.
Expand the Following HEAT HESH HERA APCBC APFSDS
High Explosive Anti Tank High Explosive Squashed Head High Explosive Rocket Assisted Armour Piercing Cap Ballistic Cap Armour Piercing Fin Stabilized Discarding Sabot
What are some key Identification features of PTTF Fuzes
Multiple rings on the metallic bodies.
Multi Piece Construction, must have one brass ring.
Usually made of brass, one marked with the delay setting.
They all Incorporate a safety pin hole.
Gas vent holes for the release of excess gas, in most cases the vent holes are sealed with thin metal plugs which if functioned, will have blown out leaving scorched marks.
What does boresafe refer to, in relation to fuzes
It prevents the fuse from detonating the projectile until it leave the bore of the weapon.
What does cocked striker refer to, in relation to fuzes
A firing pin that is held in a cocked position under spring tension and fires by releasing the mechanism.
Define Acceleration/Setback in relation to fuze arming
Incorporates the rearward movement of the fuze parts caused by the forward acceleration during its launching
Define Deceleration/Creep, in relation to fuze arming
The Forward motion of fuze components relative to the fuze body, it is caused by deceleration of the ordnance.
Define Impact Inertia, in relation to fuze firing.
Forward movement of internal components after impact with the target causing an action that drives a firing pin, into a detonator upon impact or the detonator into the firing pin.
What are the 2 classifications of impact fuzes
PD(Point Detonation) Direct Action or Impact
BD(Base Detonation) Indirect Action Impact Inertia
What is the main difference between Active and Passive Prox Fuzes
Active - Functions by a signal which is transmitted to and reflected from the target.
Passive - Functions by Heat, Light, Sounds, EMR, emanating from the target.
A Piezoelectric crystal is a device added to a firing system that transmits the ignition flame after predetermined delay.
True or False
False
A Fuze is armed when all the safety devices and features incorporated in the fuze have been eliminated or are not functioning so that the fuze has completed its arming sequence, but has not been subjected to sufficient or proper forces required to begin the fuze firing sequence.
True or False
True
What are the Main Characteristics of MT and MTSQ fuzes
Multi piece construction usually 3 pieces,
May have a time calibration scale, setting lugs or slots,
SQ/Delay setting if an impact element is integral.
Key ID Features for HEAT HESH AP/SAP Carrier FRAG/BLAST Armour Piercing Shot
HEAT- Ogival nose, conical sometimes probe shaped nose.
HESH- Blunt ogival nose
AP/SAP - Heavy, One piece body construction
Carrier - Parallel Sides
Frag/Blast - A pointed ogival nose and streamlined body
Armour Piercing Shot - No Fuzes present
What is the primary function of the bomb case
Primary Function is to act as the airframe for the bomb
Generally tail units fall into what two categories
Retarted and Non - Retarted
The Main fill of a bomb varies depending on the purpose, list the main three types of fill:
HE
Chem/Bio
Incendiaries
Miscellaneous attachments are used to enhance or control a bombs performance on impact, List and describe 4 Examples of these.
Kopfring - designed to prevent excess penetration on land and ricochet against sea targets
Anti Ricochet plates - Same as kopfring but different construction.
Stabo - steel pike is used to prevent bomb from skipping during dive bombing.
Dinort Rods - used for bombs with impact fuses, giving a stand off fragmentation effect.
List the 5 categories of BOMBS
HE Chemical Incendiary Fuel Air Explosives (Volumetric) Prac
8 categories of HE bombs
GP(General Purpose) MP(Multi Capacity) DP(Deep Penetration) HC(High Capacity) AP(Armour Piercing) SAP(Semi armour piercing) Fragmentation Anti Submarine
FAE bombs weight for weight can generate about____ times as much energy as conventional high explosive. The initiation of most FAE bombs occurs in ____distinct events.
Three
Two
Describe the events in initiation of a FAE bomb
Two distinct events the first being the use of a HE burster charge to open the casing and form a cloud of fuel in the atmosphere, the second is the initiator of the resultant fuel and air mixture using one or more HE cloud Detonator.
Approximate weight of each 80 series BOMB MK81\_\_\_ MK82\_\_\_ MK83\_\_\_ MK84\_\_\_
250 pounds
500 pounds
1000 pounds
2000 pounds
Fusing in a 80 series bombs can be internally or externally fused, and may have a nose fuse, a tail fuse, both a nose and tail fuse, or a noise/tail fuse system.
True or False
True
In a 80 series bomb electrical fusing may be identified by the presence of what
A electrical charging receptacle
A fuse initiator in the charging well
A lanyard attached to the lanyard Lock
List the common tail fin assemblies used with 80 series bombs
Slick
Snake Eye
Ballute Parachute
Describe a Bomb Pistol
A bomb pistol contains no explosive element used in conjunction with a separate detonator.
List the three criterias used to aid the recognition of pistol/fuses
Position in store
Method of Arming
Functioning Action
Arming of the bomb is normally accomplished by one of 4 methods, list the 4 methods.
Mechanical
Electrical
Electro - Mechanical
Combination
List the positions that pistols/fuses are fitted into a bomb
Nose
Tail
Transverse
Multi Position
With regards to the functioning action of pistols/fuses list the 8 groups of operation.
Air burst Anti disturbance/Anti Handling Impact/short delay Influence Hydro static Long delay Protective/Anti withdrawal Modular/Smart
Three Basic types of impact fuses/pistols
Direct Action
Indirect Action
Combination/All the way
List the 7 main groups of air burst pistols/fuses
Mechanical Mechanical Time(Clockwork) Pyrotechnic time Proximity Barometric Blast Pressure Electrical
3 common recognition features of an influence fuse
Usually larger than other types of fusing.
Normally contain aerial or sensor arrays.
May have a plastic/ceramic radome.
3 recognition features of a hydrostatic fuse
Water ingress ports or non return valves
Depth setting mechanisms
They may be constructed in 2 sections
List the 4 main types of long delay fuses
Chemical
Clockwork
Material Creep
Electrical
Anti-withdrawal devies may be fitted to long delay pistols/fuses, list the five methods that may be used to achieve this
Clawed Foot Offset Groove and Ball Knife Edge Anti-Removal sleeve Electrical Contact
List and Describe the two types of dispensers
Released- a bomb shaped weapon that functions after is has left the aircraft.
Retained - a retained dispenser is retained in the aircraft and operated by the crew, scattering its contents over a large area.
List the four main categories of Sub munitions
AP - Anti personnel
AT - Anti tank/material
Runway cratering
Area Denial
Sub munitions can carry what types of fill
Frag Heat Blast Incendiary Chemicals
List the 4 main groups of GW and their sub categories
AAM- Short range, Long Range, HE, Blast, Frag
ASM - Tactical, Strategic
SAM - Operational, Tactical, Hand Held
SSM - Operational, tactical, Hand held, Strategic
List the 4 Main components of a missile.
Guidance Section
Control Section
Warhead Section
Propulsion
List the 3 possible fusing types fitted to a missile
Contact fusing
Proximity Fusing
Self-Destruct Fusing
The safety and arming device (SAD) performs 3 main functions, list those three functions
Provides safety breaks before weapon launch
Arms the weapon after launch
Links the fuse or fuses to the warhead
List the Main types of missile Warheads
Armour Defeating
Anti Aircraft
Strategic Missiles
Other warhead types
List and briefly describe the two methods of propulsion used by missiles
RAMJET - most suitable for use against high speed targets and are used in a number of service SAM
TURBO JET - optimized for long range performance but will not propel a weapon at supersonic speed.
List the 8 sub categories of alternate Mission Equipment with regards to aircraft weapon systems
Bomb Racks Missile launchers Rocket Pods Gun Systems External Fuel Tanks Aircraft counter measures Projectile Launches Targeting Pods
List 6 types of hazards as an EOR/EOD you are to be aware of with regards to Aircraft weapons/Systems
UXO Aircraft Stores Installed Explosive Ordnance Egress Systems Compressed Gases Composite Materials Radiation
With Regards to maritime ordnance, list and describe the three methods of mine actuation
Contact Mine - Contact with the target to detonate the mine
Influence Mine - Certain effects produced by a nearby target can cause it to detonate.
Controlled Mine - Firing Mechanism Controlled Electrically from a remote Position.
Mines are designated by there planted positions list and briefly describe the 3 positions
Moored Mines - Buoyant mines that remain the a fixed position attached to a sinker
Bottom Mines - When planted these mines sink and remain on the bottom near the port of a water entry
Drifting Mines - Designed to move with water current for a considerable distances
List the 5 main components of a modern torpedo
Guidance Section Warhead Energy Section After body Tail section
List the 4 main components of a Land Mine
Firing Mech
A detonator or igniter charge
A booster Charge
The main charge in a container
Simpler types of mine firing mechanisms can be actuated by
By Pressure
Pressure Release
Tension
Tension Release
List the 6 methods of initiation employed by modern mines
Seismic Magnetic Influence Radio influence Audio Frequency Electrical Command Timer Run down
Define a Booby Trap
A explosive or non explosive device or other material deliberately placed to cause casualties when an apparently harmless object is disturbed or a normally sage act is performed.
What are the main methods of booby trap operation
Pull Pressure Release of Pressure Release of tension Delay
Timed Booby trap devices have four main methods of operation
Pyrotechnic
Mechanical
Electrical
Chemical
