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Primers
Primers
A primer is the assembly which ignites the propellant. It contains a highly sensitive chemical compound that would easily ignite or burst into flames when struck by the firing pin. It is also known as the percussion cup.
Parts of the Primer
Parts of the Primer
anvil provides solid support and absorbs the blow of the firing pin causing friction that would initiate ignition
primer cup brass gliding metal cup which contains the priming mixture, the disc and the anvil
disc a thin paper or foil which is pressed over the priming mixture in order to keep it in place and protect it from moisture
priming mixture the highly-sensitive chemical compound which ignites the firing pin by mechanical blow; also called percussion powder
Gunpowders
Gunpowders
Also called propellants, gunpowders are chemical mixtures designed to shoot projectiles by means of the expansive forces produced during burning.
The Black Powder
The Black Powder
This is the oldest know explosive. Chinese alchemists who discovered it initially called it "fire medicine." It is made of the following:
saltpeter 75%
charcoal 15%
sulfur 10%
As demonstrated in the video, black powder generally produces a lot of smoke. Additionally, it also leaves a considerable amount of residue in the barrel. Both of these characteristics are considered disadvantageous. Hence, the need to remedy both.
Smokeless Powder
Smokeless Powder
This type of gunpowder was created in response to the aforementioned problems with regular black powder. Nitroglycerin and nitrocellulose are the main ingredients of the smokeless powder. They are mixed with one or two other minor ingredients such as centralite, Vaseline esters, and inorganic salts among others.
Types of Smokeless Powder
Single Based
Double Based
Triple Based
High Ignition Temperature Propellant
On Gunpowder (Notable Video)
On Gunpowder (Notable Video)
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