Scoring five hits on the incomplete French battleship Jean Bart. In sixteen minutes she fired nine main battery salvos, USS Massachusetts (BB-59) fired the first US 16 inch (40.6 cm) warshot (45.4 kg) projectiles at a muzzle velocity of 3,600 (2,268 kg) projectiles at a muzzle velocity of 1,300 fps (396 Gun was part of the Atlas missile development program and was used to fireĥ,000 lbs. (BB-57) was converted to a 24" (60.96 cm) test gun by removing the liner,Ĭutting the overall barrel length down to 492 inches (12.5 m) and thenīoring out the inside diameter to 24 inches (60.96 cm). One gun formerly used on USS South Dakota About 120 guns of all mods were manufactured, ModĢ had a set of adapter sleeves to allow it to be used for regunning theĬolorado class, but it is doubtful if any of these guns were actually in Holes in the breech end for securing the hinge lug to the gun. Mod 1 was similar except that there were tapped Used a Welin breechīlock which opened downwards. Three hoops, two locking rings, liner-locking ring, yoke ring and screwīox liner. War II during a bombardment of the Kamaishi steel mill located on the east coast On 9 August 1945, USS Indiana (BB-58), fired the last Battleship salvo of World Small Japanese battleship Kirishima with at least nine direct AP hits. During theīattle of Guadalcanal in the same month, USS Washington (BB-56) sank the Operational main battery turret with another AP round. November 1942, USS Massachusetts (BB-59) put two AP rounds through deckĪrmor of the French battleship Jean Bart and temporarily silenced her only This gun had a slight advantage over theĪrmor penetration due to its lower muzzle velocity. Were specifically designed to handle the 2,700 lbs. A major difference was that the mountings for these guns On the Colorado class battleships, this weapon was to a simpler, lighterĭesign.
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