CAPS (Primers) And Igniters Flashcards
Caps igniters and detonors are the what in the explosive train.
The start of the explosive train.
3 types or means of igniting or initiating.
Mechanical means (mortar cart)
Electrical (det)
Igniferous (non elec detonator)
Caps are also known as primers, which are/look like?
A small cap in which a small amount of sensitive explosive is pressed.
3 types of ignition systems for SAA
Caps and integral anvil (berdan)
Caps and separate anvil (boxer)
Rim fired
Caps compositions consist of 3 things?
Primary explosive
Sensitiser
Oxidiser
Primary explosive in a cap contains?
Lead Styphnate
Potassium chlorate
The sensitiser contains?
Powdered glass
Sulphur
The oxidiser in a cap contains?
Potassium chlorate
Barium nitrate
Define what initiators do?
A small quantity of heat or shock sensitive explosive used to start the process of combustion explosion or detonation.
Two types:
Igniferous
Disruptive
When used in igniters, the function of the initiator is to ignite what 4 things?
Propellant
Primers
Delay elements
Gaines
Detonators are subdivided into?
2
Fuze detonator
Demolition detonator
Caps, igniters and detonators maybe ignited or initiated by what ways
Mechanical means, pecussion/friction
Electrical means, bridge wire
Igniferous/sparking, flame or spark
Characteristics of priming compositions
Easily ignited
Generate high heat
Not burn to quickly or violently
Beo compadible with the mixture used