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The tank eventually taken in production under that name was not the Mark IV, as originally planned, but basically a slightly changed Mark I. When at last in December 1917 the desired new engine and transmission could be built in, it was this type which became known as the Mark V. The Mark VI design had a completely different hull, which was ...
The project was approved in June and the vehicle received the designation Heavy Tank T1. Initially, a multi- turreted design was proposed, with two main turrets each armed with a low-velocity T6 75 mm (2.95 inch) gun, a secondary turret with a 37 mm gun and a coaxial .30 caliber (7.62 mm) machine gun , and another secondary turret with a 20 mm ...
The M6 heavy tank was a heavy tank built off of the similarly designed multi-turreted T1, armed with a 76.2 mm gun, a co-axial 37 mm gun, two .50 BMG M2 Browning and two .30-06 M1919 Browning machine guns, two in the hull and one on top of the turret. An order of 50 was placed and prototype vehicles saw trials but by the time it was ready for ...
The U.S. Navy had the 16"/50-caliber Mark 2 guns left over from the canceled Lexington-class battlecruisers and South Dakota-class battleships of the early 1920s. However it was already apparent that the Mark 2 was too heavy to arm the North Carolina and new South Dakota (1939) battleship classes which had to adhere to the 35,000 ton standard displacement set by the Second London Naval Treaty.
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 ...
The Tank, Light, Mk VI was the sixth in the line of light tanks built by Vickers-Armstrongs for the British Army during the interwar period. The company had achieved a degree of standardization with their previous five models, and the Mark VI was identical in all but a few respects. The turret, which had been expanded in the Mk V to allow a ...
The Mark 6 nuclear bomb was an American nuclear bomb based on the earlier Mark 4 nuclear bomb and its predecessor, the Mark 3 Fat Man nuclear bomb design. The Mark 6 was in production from 1951 to 1955 and saw service until 1962. Seven variants and versions were produced, with a total production run of all models of 1100 bombs.
Heavy tanks feature very heavy armor and weapons relative to lighter tanks. Many heavy tanks shared components with lighter tanks. For example, the US M103 heavy tank shared many components with the lighter Patton tank, including transmission and engine. As a result, they tend to be either underpowered and comparatively slow, or have engine and ...