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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]
- 1943
- 16-in/50 caliber (406 mm × 20.3 m) Mark 7
- 1939
- Iowa (BB-61) and Montana (BB-67) classes
- Performance
- Legacy
- Construction
- Specifications
More powerful than the 16\"/45 (40.6 cm) Mark 6 guns used on the North Carolina (BB-55) and South Dakota (BB-57) classes, this was possibly the best battleship gun ever put into service. Originally intended to fire the relatively light 2,240 pound (1,016.0 kg) AP Mark 5 projectile, the shell handling system for these guns was redesigned to use the ...
The Iowa class battleships are the sole survivors of the battleship era that can still be placed into service, although they now exist mainly as memorials.
The weapon is constructed of liner, A tube, jacket, three hoops, two locking rings, tube and liner locking ring, yoke ring and screw box liner. Some components were autofretted. As typical of USN weapons built in the 1940s, the bore was chromium plated for longer barrel life. Uses a hydraulically operated Welin breech block which opens downwards. T...
The above information is from \"Battleships: United States Battleships 1935-1992\" for a muzzle velocity of 2,500 fps (762 mps) and is based upon the USN Empirical Formula for Armor Penetration. These values are in substantial agreement with armor penetration curves published in 1942.
Apr 21, 2015 · Mark VII Total built = 140 This was a version built around the Mark VI. It had a maximum ceiling of 43,000 feet. Its 1,710-hp Merlin engine gave it a maximum speed of 408 mph. Mark VIII First flew in January 1942. Total built = 1,654 The Mark VIII was built as an all-round interceptor. The Mark VIII saw service in the Mediterranean and Far East ...
Jul 3, 2013 · Well, the 16-inch/50 caliber Mark 7 cannons of the US Navy’s Iowa class battleships were the biggest stick the country had for over 50 years. Why Model of 16 inch gun on exhibition.
- Chris Eger
- 5 min
Maximum speed. 3.7 mph (6.0 km/h) maximum [1] British heavy tanks were a series of related armoured fighting vehicles developed by the UK during the First World War. The Mark I was the world's first tank, a tracked, armed, and armoured vehicle, to enter combat. The name "tank" was initially a code name to maintain secrecy and disguise its true ...
Nov 27, 2014 · Churchill Mk.VII (A.22F) “heavy Churchill” from the 34th Tank Brigade, 107th RAC, 1944. Mk.VII CS, or “close support”, 95 mm/3.74 in howitzer. Churchill Mk.VII during the winter of 1945, western bank of the Rhine. The smaller round side hatch reduced the stress on the armored plate.
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The tank weighed 39 tons, had a top speed of 27 km (17 miles) per hour, and a range of 145 km (90 miles). It was served by a crew of five and mounted two 7.92-mm machine guns in addition to its main gun. Its successor, the Mark V, was fitted with a 95-mm howitzer, but the Mark VI and VII returned to the format of the 75-mm gun.
