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Memory cycle time was reduced to 2 microseconds. The version for the military was called the UNIVAC 1219 (known as the "Mk 152 Fire Control Computer.") [3] [4] It was part of the Navy's Mk 76 missile fire control system, used to control the AN/SPG-55 radar system.
When the sights stay on the target, the estimated speed, range, and change of rate data can be considered correct. [6] An example of tachometric AA fire control would be the USN Mk 37 system. The early RN High Angle Control System I through IV and the early Fuze Keeping Clock (FKC) were examples of non-tachometric systems. [7]
A German anti-aircraft 88 mm Flak gun with its fire-control computer from World War II. Displayed in the Canadian War Museum.. A fire-control system (FCS) is a number of components working together, usually a gun data computer, a director and radar, which is designed to assist a ranged weapon system to target, track, and hit a target.
Like many other pieces of Coast Artillery fire control equipment, the deflection board was a mechanical analog computer that used methods of similar triangles to solve the problems of correcting fire for wind speed and direction, drift of the projectile, and angular travel of the target during the observing interval. [16]
Mark 1A Computer Mk 37 Director above the bridge of destroyer USS Cassin Young with AN/SPG-25 radar antenna. 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.
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The Mk 8 computer used all electric methods of computation, in contrast to the Mk 1, which performed most computations via mechanical devices. The Mk 8 was found to be more accurate than the Mk 1 and substantially faster in reaching a fire control solution, [ 2 ] but by the time it was developed and tested in 1944, supplies of the Mk 1 were ...
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