firing mechanism


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firing mechanism

[′fīr·iŋ ‚mek·ə‚niz·əm]
(engineering)
A mechanism for firing a primer; the primer may be for initiating the propelling charge, in which case the firing mechanism forms a part of the weapon; if the primer is for the purpose of initiating detonation of the main charge, the firing mechanism is a part of the ammunition item and performs the function of a fuse.
References in periodicals archive ?
The gun's firing mechanism had experienced a massive failure, causing an explosion that blew some gun parts out the bottom of the fuselage.
Commercially known as the 'Serpent', the system draws on Smaw technology, with a launch unit equipped with the firing mechanism and fire control system, and tube-packed ammunition inserted into the launcher.
PLOT COURSE: The Happy Valley race course in Hong Kong where police believe organised criminals were planning to fix races by secretly doping horses; SHARP PRACTICE A HAND-HELD remote control would have activated the firing mechanism buried in the turf and shot the tranquilliser darts into horses as they burst out the starting gates; GROUND WORK: Hong Kong police use a metal detector to probe the area of the track where the firing device was found
Musharraf assumed power in a military coupe in October 1999 and carried out the weaponization program which includes the miniaturization of the nuclear weapon, mounting it on missiles and developing its firing mechanism.
The .45 had been in service since 1911, and though it was effective in battle, it was also much criticized: Its strong recoil made it difficult for inexperienced shooters to manage, it was too large for small hands, it was tricky to clean, and its single-action firing mechanism was a safety hazard.
He was finishing the arming sequence on an EA-6B pilot's seat and couldn't get the banana links to line up with the sear on the primary firing mechanism. He then pulled out the safety pin from the sear.
When you activate the fire control, you are sending a signal to the firing mechanism which discharges a round."
When you activate the fire control, you are sending a signal to the firing mechanism which discharges a round.' The website's founder, John Lockwood, admits the concept would not appeal to everyone.
The difference is found in the firing mechanism. The gun's moving parts are housed inside of the bolt mechanism and as a result are protected from fouling and weather-induced drag on the bolt.
In a typical injector used in a locomotive engine, fuel enters at the top and takes several turns through the assembly before coming to the firing mechanism at the tip.
And that somewhere out there are people who, with a length of pipe, a firing mechanism. and some bad, bad stuff, would like nothing more than to set off some shop-built version of the Davy Crockett in our general direction.
Fulton told his MI5 handlers that top IRA hit man, Patrick Joseph 'Mooch' Blair was planning an attack with a horizontally fired mortar using a newly perfected flash firing mechanism.