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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 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 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 ...
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 ...
The Mark 7 was a major step in the evolution of the modern torpedo. This innovative design featured the use of steam , generated from water sprayed into the combustion pot along with the fuel . The resulting mixture dramatically boosted the efficiency of the torpedo, leading to markedly improved performance. [3]
The Bliss-Leavitt Mark 7 was introduced into the United States Navy Fleet in 1912, and the design proved so resilient and far-sighted that it remained in use for an unprecedented 33 years – up to and including service in World War II. (During WW II, the Mark 7 was used to arm reactivated World War I destroyers still carrying 18-inch torpedo ...
The Mark 7 had significantly better armor penetrating capabilities, owing to its higher muzzle velocity (and thus higher striking velocity). At a range of 12,000 yd (11,000 m), the gun could penetrate 12.3 in (310 mm) of contemporary face-hardened armor, compared to 10.8 in (270 mm) for the Mark 5.