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Model of the South Dakota-class battleship, including 12 16"/50 Mark 2 guns. The first example of a US 16-inch gun was an Army weapon, the M1895, approved for construction in 1895 and completed in 1902; only one was built. [4] The first US Navy 16-inch gun was the 16-inch/45 caliber Mark 1 gun, which armed the Colorado-class battleships ...
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.
Welin breech-block of a 16-inch Mk 6 gun on USS Alabama, 1943.Note the four separate thread "steps" on the block which engage with matching steps in the breech when the block is swung up and inwards and rotated slightly clockwise
In 1941, 100 of the obsolete guns were converted to become the 3-inch 16 cwt anti-tank gun, firing a 12.5-pound (5.7 kg) ... missing breech screw, is displayed at the ...
Square head cap screws up to and including 3 ⁄ 4 inch (19.05 mm) have a head 1 ⁄ 8 inch (3.175 mm) larger than the shank; screws larger than 3 ⁄ 4 inch (19.05 mm) have a head 1 ⁄ 4 inch (6.35 mm) larger than the shank. [9] In 1919, Dyke defined them as screws that are threaded all the way to the head. [10] socket screw
The gun appears to be a rifled muzzle loader (RML) 7-pounder mountain gun. The men in the photograph are a mix of British soldiers and Indian sepoys . The group kneeling around the smaller, muzzle-loaded field gun is preparing to fire after the soldier at front left has used the ramrod to jam the charge down into the gun.
This originated the 16-inch M1920 howitzer, 25 calibers long. The high-angle M1920 barbette carriage was designed to allow plunging fire with an elevation of 65 degrees. A similar carriage was also developed for the 16-inch gun M1919, 50 calibers long, with the same elevation and for the same reason. [6]
The gun as originally adopted had a barrel 84 inches long, with a bore of 73.375 inches. The Royal Navy adopted a version with a 72-inch barrel, with a bore of 61.375 inches, by simply cutting 12 inches off the end, and from 1863 the shorter length was incorporated into a common version for both land and sea use. [4]