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The estimated barrel life was 340 effective full charges. Length of bore: 630 inches (45 calibres long). Weight of gun (without breech or counterbalance: 77 tons 14 cwt 84 lbs. Weight of gun with counterbalance: 89 tons 2 cwt 84 lbs. Weight of breech mechanism: 1 ton 17 cwt. Rifling: polygroove, 72 grooves plain section, uniform right-hand ...
It also provides capability for manipulation of post-processed data and integration with charts, graphs, pictures, audio and video for use in the development and delivery of 3-D visual presentations. SIMDIS binaries are released under U.S. Department of Defense (DoD) Distribution Statement A, meaning the binaries are approved for public release ...
The Mark 12 5"/38-caliber gun was a United States dual-purpose naval gun, but also installed in single-purpose mounts on a handful of ships.The 38-caliber barrel was a mid-length compromise between the previous United States standard 5"/51 low-angle gun and 5"/25 anti-aircraft gun.
The 14-inch/45-caliber guns were installed as the primary armament aboard all of the United States Navy's New York-class, Nevada-class, and Pennsylvania-class battleships. The gun also saw service in the British Royal Navy , where it was designated BL 14-inch gun Mk II .
The gun barrel is 62 calibers long, and is able to fire the entire magazine (300+ rounds) with an average rate of fire of ten rounds per minute using a water-cooled barrel. The AGS is mounted in a turret specifically designed for the Zumwalt -class destroyer with fully automated ammunition supply and operation.
United States naval gun terminology indicates the gun fired a projectile 6 inches (15 cm) in diameter, and the barrel was 53 calibers long (barrel length is 6 inch x 53 = 318 inches or 8 meters.) [2] The gun with side swing Welin breech block and Smith-Asbury mechanism weighed about 10 tonnes and used a silk bag containing 44-pounds (20 kg) of smokeless powder to give a 105-pound (47.6 kg ...
Operation Nimbus Star involved the clearance of naval mines and unexploded ordnance from portions of the Suez Canal and its approaches [1] The U.S. Navy amphibious assault ship USS Iwo Jima (LPH-2) (later relieved by USS Inchon (LPH-12)) deployed more than a month early with only five days notice, and became the flagship of "Task Force 65" to clear mines from the Suez Canal.
The 50-calibre BL 6-inch gun Mark XXIII [note 1] was the main battery gun used on the Royal Navy and British Commonwealth's conventional (non-anti-aircraft) light cruisers built from 1930 through the Second World War, and passed into service with several other navies when ships were disposed of after the end of the War.