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  2. Touch hole - Wikipedia

    en.wikipedia.org/wiki/Touch_hole

    A diagram of the cannon, including the location of the touch hole A sculpture in Whitehaven depicting an American sailor in the act of spiking a cannon. A touch hole, also known as a cannon vent, is a small hole at the rear (breech) portion of the barrel of a muzzleloading gun or cannon.

  3. Hydraulic recoil mechanism - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_recoil_mechanism

    Diagram of recoil mechanism, British 60-pounder gun Mk.I, 1916. The idea of using a water brake to counteract the recoil of naval cannons was first suggested to the British Admiralty by Carl Wilhelm Siemens in early 1870s, but it took about a decade for other people (primarily Josiah Vavasseur) to commercialize the idea. [1]

  4. M61 Vulcan - Wikipedia

    en.wikipedia.org/wiki/M61_Vulcan

    The M61 Vulcan is a hydraulically, electrically, or pneumatically driven, six-barrel, air-cooled, electrically fired Gatling-style rotary cannon which fires 20 mm × 102 mm (0.787 in × 4.016 in) rounds at an extremely high rate (typically 6,000 rounds per minute).

  5. Naval artillery in the Age of Sail - Wikipedia

    en.wikipedia.org/wiki/Naval_artillery_in_the_Age...

    The cannon shot (c. 1680), painted by Willem van de Velde the Younger Essential parts of a cannon: 1. the projectile or cannonball (shot) 2. gunpowder 3. touch hole (or vent) in which the fuse or other ignition device is inserted Firing of an 18-pounder aboard a French ship. Firing a naval cannon required a great amount of labour and manpower.

  6. M242 Bushmaster - Wikipedia

    en.wikipedia.org/wiki/M242_Bushmaster

    The M242 Bushmaster chain gun is a 25 mm (25×137mm) single-barrel chain-driven autocannon.It is used extensively by the U.S. military, such as in the Bradley fighting vehicle, as well as by other NATO members and some other nations in ground combat vehicles and various watercraft.

  7. Barbette - Wikipedia

    en.wikipedia.org/wiki/Barbette

    The name barbette ultimately comes from fortification: it originally meant a raised platform or mound, [1] as in the French phrase en barbette, which refers to the practice of firing a cannon over a parapet rather than through an embrasure in a fortification's casemate. The former gives better angles of fire but less protection than the latter.

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Safe-cracking - Wikipedia

    en.wikipedia.org/wiki/Safe-cracking

    A number of inexpensive safes sold to households for under $100 use mechanical locking mechanisms that are vulnerable to bouncing. Many cheap safes use a magnetic locking pin to prevent lateral movement of an internal locking bolt, and use a solenoid to move the pin when the correct code is entered. This pin can also be moved by the impact of ...

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