Search results
Results from the WOW.Com Content Network
The rounded roofs of early Mark 9 twin and triple turrets of USS Salt Lake City and USS Pensacola with the later turrets of USS New Orleans on the right.. The 8"/55 caliber gun (spoken "eight-inch-fifty-five-caliber") formed the main battery of United States Navy heavy cruisers and two early aircraft carriers.
The forecastle of Indiana, showing its fore 13-inch turret and one of the 8-inch turrets. The 13-inch gun was 35 calibers long and used black powder, giving a range of about 12,000 yards (11,000 m) at 15 degrees of elevation.
A modern naval gun turret (A French 100 mm naval gun on the Maillé-Brézé pictured) allows firing of the cannons via remote control. Loading of ammunition is also often done by automatic mechanisms. A gun turret (or simply turret) is a mounting platform from which weapons can be fired that affords protection, visibility and ability to turn ...
Indiana ' s main armored belt was 18 in (457 mm) thick over the magazines and the machinery spaces and was reduced to 4 in (102 mm) at the bow and stern. The main battery gun turrets had 17-inch (432 mm) thick sides, and the supporting barbettes had the same thickness of armor plate on their exposed sides. The 8 in turrets had 6 in of armor ...
The 16-inch/50 caliber Mark 7 guns of the forward turret of the battleship USS Wisconsin (BB-64) fire at enemy targets ashore on the Korean Peninsula on 30 January 1952 during the Korean War. Employees working with the automatic 16-inch powder stacking machine at Naval Ammunition Depot Hingham , Mass. during World War II.
The 3-inch/50-caliber gun (spoken "three-inch fifty-caliber") in United States naval gun terminology indicates the gun fired a projectile 3 inches (76 mm) in diameter, and the barrel was 50 calibers long (barrel length is 3 in × 50 = 150 in or 3.8 m).
Owing to the interchangeability of the guns, the battleships fitted with the 14-inch/45-caliber guns often had guns of various Marks installed on each turret. [ 3 ] In the 1930s, the Mark 1, 2, 3, and 5 were upgraded to allow for increased charges and muzzle velocities, resulting in the Mark 8, 9, 10, and 12, respectively.
The Mark 4s were Nos. 22 – 32, 38 – 50, and 52 – 83. The original Mark 4 Mod 0 guns were identical to Mark 3 Mod 1 guns with the trunnion hoop and elevating band removed and with the threads formerly under the trunnion hoop being continued to the rear of the gun. This allowed these guns to be screwed into the sleeve of a two-gun turret mount.