FORS 1390 Lecture Notes - Lecture 3: Smoothbore, Rifling, Bolt Action
10 Nov 2016
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Document Summary
Cartridge is extracted by the moving breechblock and ejected from the weapon: recoil. Barrel of the weapon and its breechblock recoil a short distance together: gas piston. Small amount of the propellant gases passes through a small hole in the barrel into a gas piston. Revolver: revolving chamber: single action revolvers: cocking the hammer, double action evolvers: long trigger pull. Lever action: raising the lever chambers a fresh round in the rifle. Slide or pump action: pushing the slife forward chambers a fresh round. Bolt action: moving the bolt forward strips a fresh cartridge from a magazine and inserts it into the rifles chamber. Semiautomatic rifle: uses energy of the discharge to perform many functions. Double rifles: over and under or side by side. Assault rifles: automatic weapons that fire a reduced charge rifle cartridge, us army"s m16 and the soviet kalashnikov ak47. Caliber: diameter of the bullet at the back end: determined with taper gauges.
