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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 ...
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 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]
The Mod 6 was a Mod 4 gun that had been modified for use in the 5-inch Mark 8 Mods 4, 13, and 14 mounts. The breech was turned down a 0.25 inches (6.4 mm) to 16.25 inches (413 mm) for 13.435 inches (341.2 mm) from the face of the breech with the front part of the thread for the sleeve cut away.
Marks 3 & 4: 16,000 yd (14,630 m) at 20.1° elevation. The 8"/35 caliber gun Mark 3 and Mark 4 (spoken "eight-inch-thirty-five--caliber") were used for the main batteries of the United States Navy 's first armored cruisers and the secondary batteries for their first battleships, the Indiana -class. The 8"/40 caliber gun Mark 5 initially armed ...
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W70-3 1 kilotonne of TNT (4.2 TJ) W70 was a two-stage, thermonuclear warhead that was developed for the MGM-52 Lance missile by the United States . Designed by Lawrence Livermore National Laboratory , the Mod 1 and Mod 2 version of the weapon entered service in 1973, while the enhanced radiation ("neutron bomb") Mod 3 weapon entered service in ...
The Pelican, also known as Bomb Mark 55 and, in one version, SWOD Mark 7, was a guided bomb developed by the United States Navy during World War II. Guided by semi-active radar homing , Pelican was produced in 1,000 lb (450 kg) and 1,500 lb (680 kg) sizes; the program reached the stage of live trials before being cancelled.