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The Mark 1, and later the Mark 1A, Fire Control Computer was a component of the Mark 37 Gun Fire Control System deployed by the United States Navy during World War II and up to 1991 and possibly later. It was originally developed by Hannibal C. Ford of the Ford Instrument Company [1] and William Newell.
The weapon was produced in two models; the enhanced radiation (ERW) W79 Mod 0 and fission-only W79 Mod 1. Both were plutonium -based linear-implosion nuclear weapons . The Mod 0 was a variable yield device with three yields, ranging from 100 tons of TNT (420 GJ ) up to 1.1 kt (4.6 TJ ) and an enhanced- radiation mode which could be turned on or off
The Mk 7 Mod 4 bomb dispenser differs from the Mk 7 Mod 3 by modifying the dispenser and giving interface capabilities with a wider range of military aircraft. 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 ...
A British clockwork Time fuze for an artillery shell using the Thiel mechanism, circa 1936 British aluminium No. 25 Mk IV time fuze, using a burning gunpowder timer, circa 1914, used for star shells. Artillery Time fuzes detonate after a set period of time. Early time fuzes were igniferous (i.e. combustible) using a powder train.
The Mk 34 GWS was developed to improve the Arleigh Burke-class destroyer's ability to use the Mk 45 gun against a variety of threats. [2] It is different from previous gun fire-control systems in that it was developed under a one-system concept and is a fully integrated subsystem of Aegis.
Type 5 No.1 Mk 9 Mod 1 15 kg (33 lb) An experimental design, intended for use against surfaced submarines. The bomb carried 1 kilogram (2.2 lb) of explosives, and had a velocity of about 230 meters per second. Experiments were conducted in June 1944, and it was adopted in 1945. Production had started at the end of the war, but it had not been used.
The MK 1 is a time-fused fragmentation grenade and has 32 serrations on it. To start the fuse, the user has to pull the safety pin, then push off the cap on top of the grenade. Right before throwing, the user has to move the switch on the lever away from the grenade in order to start the fuse.
The Mark 39 design was a thermonuclear bomb and had a yield of 3.8 megatons. [1] It weighed 6,500–6,750 pounds (2,950–3,060 kilograms), [2] and was about 11 feet, 8 inches long (3.556 meters) [2] with a diameter of 35 inches (89 cm). [2] The design is an improved Mark 15 nuclear bomb design (the TX-15-X3 design and Mark 39 Mod 0 were the ...