Method of reloading and firing a single-shot rifle
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Springfield Model 1888, trapdoor mechanism open
In firearms, a trapdoor is a form of breech-loading mechanism for rifles in which a hinged breechblock rotates up and forward, resembling the movement of a trapdoor.[1] The Springfield models 1865 and 1873 were best known for first employing this type of action.[2]
^"The Springfield Model 1873 Rifle – The Campaign for the National Museum of the United States Army". armyhistory.org. Retrieved 2017-05-11.
^"Evolution of the Breechloader - Springfield Armory National Historic Site (U.S. National Park Service)". www.nps.gov. Retrieved 2017-05-11.
and 21 Related for: Trapdoor mechanism information
trapdoor is a form of breech-loading mechanism for rifles in which a hinged breechblock rotates up and forward, resembling the movement of a trapdoor...
lock mechanism. Opening the padlock easily, however, requires the key to be used. Here the key t is the trapdoor and the padlock is the trapdoor function...
firing pin. The breech mechanism employed a hinged breechblock that rotated up and forward, resembling the movement of a trapdoor, to open the breech of...
consisted of replacing the percussion lock with the breech-loading trapdoormechanism, and relining the barrels to convert them from .58 to .50 caliber...
one of four dice, each hidden beneath its own trapdoor, in the game board's central catapulting mechanism. All 40 episodes were released over 4 VHS videotapes...
needle fire rifle had very few differences from the 1860/1867 model. Trapdoormechanism Greene single needle action rifle James Smyth Wallace (4 June 2008)...
about 8 to 10 shots per minute. The original trapdoor Springfields had replaced only the firing mechanism, and had used a barrel liner to reduce the caliber...
uses a variant of the learning with errors lattice problem as its basic trapdoor function. It won the NIST competition for the first post-quantum cryptography...
century. It was the final design in a long line of rifles which used the trapdoor breechblock design developed by Erskine S. Allin in the 1860s and the last...
reliably in any weather condition. Its invention gave rise to the caplock mechanism or percussion lock system which used percussion caps struck by the hammer...
The Springfield model 1884 was one of the "Trapdoor Springfield" rifles. It was an improved replacement for the previous longarm of the U.S. Armed Forces...
connected to the trapdoor. The bladder, when "set", is under negative pressure in relation to its environment so that when the trapdoor is mechanically...
Model 1866 was the second iteration of the Allin-designed trapdoor breech-loading mechanism. Originally developed as a means of converting rifle muskets...
price of a restricted field of vision. Trapdoor spiders excavate a burrow and seal the entrance with a web trapdoor hinged on one side with silk. The best-known...
type or design of the mechanism by which it is locked or closed for firing. The firearm action more fully refers to the mechanism by which the operator...
blowout fractures are open door and trapdoor fractures. Open door fractures are large, displaced and comminuted, and trapdoor fractures are linear, hinged,...
typically used a side-lock mechanism, with the hammer mounted to one side rather than inline with the axis of the barrel. In the trapdoor Springfield Model 1865...
they are hiding. Trapdoor: Trapdoor spiders construct burrows with a cork-like trapdoor made of soil, vegetation and silk. The trapdoor is difficult to...
used to lower actors from above or a riser that brought them up through a trapdoor. Aeschylus introduced the idea and it was used often to resolve the conflict...
The Springfield Model 1880 was a trapdoor rifle based on the design of the Springfield Model 1873. In the years following the U.S. Civil War, Springfield...
thus causing it to collapse. The process was graphically described as a "trapdoor effect" or "hangman's drop". Wallis foresaw that disrupting German industry...
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