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The M134 Minigun is an American 7.62×51mm NATO six-barrel rotary machine gun with a high rate of fire (2,000 to 6,000 rounds per minute). [2] It features a Gatling-style rotating barrel assembly with an external power source, normally an electric motor.
The 20 mm (0.79 in) Hispano cannon carried by the P-38 and P-61, while formidable against propeller-driven planes, had a relatively low rate of fire in the age of jets, while other cannons were notoriously unreliable. In response to this requirement, the Armament Division of General Electric resurrected an old idea: the multi-barrel Gatling gun.
Like the original Gatling gun, the entire firing cycle is actuated by cams and powered by the rotation of the barrels. [13] The seven-barrel carriage assembly itself is driven by the aircraft's dual hydraulic system. [14] The GAU-8/A ammunition feed is linkless, reducing weight and avoiding a great deal of potential for jamming.
The ability to fire the 5.56 mm round used by the M16 rifle was the major selling point for the Microgun. With a fast-firing gun using standard rifle ammunition, the US Army and US Air Force showed interest for use of the XM214 on aircraft, helicopters, and armored vehicles.
Rate of fire may also be affected by ergonomic factors. ... At 50 rps (3,000 rpm), a five-second burst from an M134 Minigun would use approximately 6.3 kilograms ...
The Gatling gun is a rapid-firing multiple-barrel firearm invented in 1861 by Richard Jordan Gatling. It is an early machine gun and a forerunner of the modern electric motor-driven rotary cannon. The Gatling gun's operation centered on a cyclic multi-barrel design which facilitated cooling and synchronized the firing-reloading sequence.
The Mk 19 grenade launcher is a potent weapon capable of firing 40mm high explosive grenades at a rate of up to 60 rounds per minute (40 rpm for sustained fire) that can penetrate up to 50mm of ...
In April 2017, Raytheon tested a new electric gun for the Phalanx allowing the system to fire at varying rates to conserve ammunition. The new design replaces the pneumatic motor, compressor, and storage tanks, reducing system weight by 180 lb (82 kg) while increasing reliability and reducing operating costs.