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The M242 25 mm chain gun. A chain gun is a type of autocannon or machine gun that uses an external source of power to cycle the weapon's action via a continuous loop of chain, similar to that used on a motorcycle or bicycle, instead of diverting excess energy from the cartridges' propellant as in a typical automatic firearm.
All models of Gatling guns were declared obsolete by the U.S. military in 1911, after 45 years of service. [20] The original Gatling gun was a field weapon that used multiple rotating barrels turned by a hand crank, and firing loose (no links or belt) metal cartridge ammunition using a gravity feed system from a hopper. The Gatling gun's ...
The M230 Chain Gun is used on the MH-60L Direct Action Penetrator. It is also the Area Weapon System on the Boeing AH-64 Apache attack helicopter , mounted on the chin turret. It uses a 2 hp (1.5 kW) electric motor to fire 30 mm (1.2 in) linkless ammunition at a rate of 625±25 rounds per minute.
The M242 Bushmaster chain gun is a 25 mm (25×137mm) single-barrel chain-driven autocannon.It is used extensively by the U.S. military, such as in the Bradley fighting vehicle, as well as by other NATO members and some other nations in ground combat vehicles and various watercraft.
There are many types, including chain guns, gast guns, revolver cannons, and rotary cannons. They are being used as military aircraft main guns, naval guns, anti-aircraft weapons, infantry fighting vehicle main guns and are occasionally found on reconnaissance vehicles like the LAV-25 .
The Gatling gun was a field weapon, first used in warfare during the American Civil War and subsequently by European and Russian armies. The design was steadily improved; by 1876 the Gatling gun had a theoretical rate of fire of 1,200 rounds per minute, although 400 rounds per minute was more readily achievable in combat.
The M61 Vulcan is a hydraulically, electrically, or pneumatically driven, six-barrel, air-cooled, electrically fired Gatling-style rotary cannon which fires 20 mm × 102 mm (0.787 in × 4.016 in) rounds at an extremely high rate (typically 6,000 rounds per minute).
The complete Six-Pak system weighed 85 pounds (38.5 kg) with 1,000 rounds of ammunition, comparable in weight to some heavy machine guns. The basic gun in the Six-Pak weighed 27 pounds, or 12.2 kg. The system could be carried by a team of two soldiers and mounted either to an M122 tripod or a vehicle's pintle mount .