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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]
Mod 11 was a Mod 7 that had the chamber lengthened, adding 235 cu in (3,851 cm 3), and a 3½° breech band seating slope and used Breech Mechanism Mark 12. Mod 12 used a Mod 10 and lengthened the chamber and added a 3½° breech band seating slope with Mod 13 being similar but of a Mod 8, Mod 14 used a Mod 9, Mod 15 used a Mod 7, Mod 16 used a ...
The Mark 7 was a variable-yield fission weapon that used a levitated pit and an implosion design with 92 high-explosive lenses. The weapon had multiple yields of 8, 19, 22, 30, 31, and 61 kt by using various weapon pits. [4] The weapon had airburst and contact fuzing modes. The weapon used in flight insertion for safing and later versions of ...
The Mk 7 Mod 6 bomb dispenser is the same as the Mk 7 Mod 3 except that the outside of the Mod 6 cargo section is coated with a thermal protective coating and has an additional yellow band around the forward end of the cargo section. The addition of the thermal coating increases the overall weight of the Mod 6 to 505 pounds (229 kg).
The Mark 3 Mod 1 was constructed of tube, jacket and eight hoops while Mod 2 was identical to Mod 1 but with different steps under the chase hoops. Mod 3 was, for one gun, lengthened to 40 calibers and was removed from service prior to the start of World War I. Mod 4 was, also for one gun only, different from other Mods in having a ring shrunk ...
Decks: 1.5–2.5 in (38–64 mm) The Wyoming class was a pair of dreadnought battleships built for the United States Navy. Wyoming and Arkansas were authorized in early 1909, and were built between 1910 and 1912. These were the fourth dreadnought design of the US Navy, but only an incremental improvement over the preceding Florida class, and ...
It was intended for the Mark 2 Mods 1 and 4 and Mark 3 Mods 1 and 6 mounts. Mod 3 was the same as the Mod 2 but without the cylindrical section. It was designed to use the Mark 2 Mods 1, 2, 4, and 5 and the Mark 3 Mods 1, 4, 6, and 9 mounts. The Mod 4 only differed from the Mark 3 in that it had a muzzle bell.
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.