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The GAU-22/A's major difference is the use of four barrels, rather than the GAU-12/U's five barrels. The GAU-22/A is lighter and has a reduced rate of fire of 3,300 rounds per minute, but maintains the same, high accuracy of 5 milliradians , 80% circle [ 2 ] of the GAU-12 [ 3 ] and A-10's GAU-8. [ 4 ]
English: The General Dynamics GAU-12/U Equalizer: a five-barrel 25 mm Gatling gun-style rotary cannon used by the United States, Italy and Spain, mounted in their fighter jets such as the AV-8B Harrier II, airborne gunships such as the Lockheed AC-130, and land-based fighting vehicles.
The optimum rate of fire was determined by Garwood to be around 3,200 rounds per minute (rpm). ... (0.984 in) GAU-12/U Equalizer 5-barrel rotary cannon ...
The GAU-19/A is designed to accept standard NATO .50 caliber M9-linked ammunition. The rate of fire is selectable to be either 1,000 or 2,000 rounds per minute. The Humvee armament kit version fires at 1,300 rounds per minute. The average recoil force when firing is 382 lb/ft, 495 lb/ft or 629 lb/ft depending on firing rate.
Some of the GAU-8/A technology has been transferred into the smaller 25 mm GAU-12/U Equalizer, which was developed for the AV-8B Harrier II aircraft. The GAU-12 is about the same size as the 20 mm M61. GE has also developed the GAU-13/A, a four-barreled weapon using GAU-8/A components, which has been tested in podded form as the GPU-5/A.
GAU-12 Equalizer – General Electric, 25 mm caliber; GAU-13 – General Electric, 30 mm caliber; GAU-19 – General Electric, 12.7×99 mm caliber; GAU-22 – General Dynamics, 25 mm caliber, 4-barrel version of the GAU-12 mounted internally in the F-35A and in external gun pods on the F-35B and F-35C; GAU-8 Avenger – General Electric, 30 mm ...
GAU-8 Avenger: General Electric: 30×173mm United States: 1977 GAU-12 Equalizer: General Dynamics: 25×137mm United States: 1971 GAU-19: General Dynamics.50 BMG United States: 1983 Gryazev-Shipunov GSh-6-23: KBP Instrument Design Bureau: 23×115mm Soviet Union: 1975 Gryazev-Shipunov GSh-30-2: KBP Instrument Design Bureau: 30 mm caliber Soviet ...
The ammunition used in the M242 may also be used in a variety of weapons such as the GAU-12 Equalizer, the French Giat M811, or the Swiss Oerlikon KBA weapon system. It has the capability to fire U.S. manufactured ammunition as well as the NATO equivalents thereof. Primarily though, it fires six types of rounds: the M791, M792, M793, M910 ...