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The lightweight 16-in/50 Mark 7 was designed to resolve this conflict. These guns were 50 calibers long, 50 times their 16-inch (406 mm) bore diameter with barrels 66.7 ft (20.3 m) long, from chamber to muzzle. Each gun weighed about 239,000 lb (108 t) without the breech, and 267,900 lb (121.5 t) with the breech. [1]
An improved weapon, the BL 16-inch Mark II was designed for the Lion-class battleship which was a successor to the King George V class taking advantage of the larger weapon allowed under the London Naval Treaty from March 1938. This "new design" of 16-inch gun fired a shell that weighed 2,375 pounds (1,077 kg).
The 16"/45 caliber gun (spoken "sixteen-inch-forty-five-caliber") was used for the main batteries of the last class of Standard-type battleships for the United States Navy, the Colorado -class. These guns promised twice the muzzle energy over the Mark 7 12-inch/50 caliber guns of the Wyoming -class battleship and a 50% increase over the 14-inch ...
33,741 m (20.966 mi) with AP. The 16"/45-caliber Mark 6 gun is a naval gun designed in 1936 by the United States Navy for their Treaty battleships. It was introduced in 1941 aboard their North Carolina -class battleships, replacing the originally intended 14"/50-caliber Mark B guns and was also used for the follow-up South Dakota class.
The primary armament of an Iowa -class battleship consisted of nine breech-loading 16 inch (406 mm)/50-caliber Mark 7 naval guns, [1] which were housed in three 3- gun turrets: two forward and one aft in a configuration known as "2-A-1". The guns were 66 feet (20 m) long - 50 times their 16-inch (406mm) bore, or 50 calibers, from breechface to ...
BL 6 inch Mk XII naval gun 45-caliber United Kingdom: World War I - World War II 152.4 mm (6.00 in) BL 6 inch naval guns Mk XIII – XVIII United Kingdom: World War I - World War II 152.4 mm (6.00 in) BL 6 inch Mk XXII naval gun 50-caliber United Kingdom: 1920s - World War II 152.4 mm (6.00 in) BL 6 inch Mk XXIII naval gun 50-caliber
The 16-inch Mark 2 was 50 calibers long, with a liner, an A tube, jacket and seven hoops with four hoop locking rings and a screw box liner. The Mod 0 used an increasing twist in the rifling while the Mod 1 used a uniform twist and a different groove pattern. The Mark 3 was the same as the Mark 2 but used a one-step conical liner.
The 16 inch gun M1919 (406 mm) was a large coastal artillery piece installed to defend the United States' major seaports between 1920 and 1946. It was operated by the United States Army Coast Artillery Corps. Only a small number were produced and only seven were mounted; in 1922 and 1940 the US Navy surplussed a number of their own 16-inch/50 ...