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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 two versions of the Vulcan Air-Defense System, the towed M167 and self-propelled M163 VADS, were developed by the United States Army Weapons Command at Rock Island Arsenal in 1964. They were accepted as a replacement for the M45 Quadmount in 1965, and first production M167s were delivered to the U.S. Army in 1967.
The Ford-Philco GAU-7/A was an abortive program initiated by United States Air Force in the late 1960s to develop a new cannon for the proposed F-14 ADC interceptor and replace the M61 Vulcan on the then-upcoming F-15 Eagle. The GAU-7/A was a 25 mm Gatling gun using telescoped ammunition with a combustible case developed by the Brunswick ...
While a major leap forward in aircraft armament, all revolver cannon suffer from the effects of barrel wear, heat dissipation, and parts life. The final improved version of the M39 had barrel changes mandated at 4000 rounds. [8] The system would be replaced by the M61 Vulcan in aircraft for this and MTBF as well as weight considerations. [9]
Unlike RF-4E, M61 Vulcan is mounted in the nose. 15 converted. The YF-4E YF-4E One of the original YRF-4C prototypes was converted into the YF-4E. [17] The YF-4E was used in the development of the F-4E fighter as well as in fly-by-wire Precision Aircraft Control Technology (PACT) and Control Configured Vehicle (CCV) test programs. Three ...
The M197 is essentially a lightened version of the General Electric M61 Vulcan cannon, with three barrels instead of six. Its maximum rate of fire is one quarter that of the Vulcan, largely to limit its recoil for light aircraft and helicopter use. It shares the Vulcan's M50 and PGU series 20 mm ammunition.
The basis of the system is the 20 mm M61 Vulcan rotary cannon, used by the United States military on various tactical aircraft since 1959, linked to a K u band fire control radar system for acquiring and tracking targets. This proven system was combined with a purpose-made mounting, capable of fast elevation and traverse speeds, to track ...
M61, a class of locomotives built by NOHAB; In science: Messier 61 (M61), a spiral galaxy in the Virgo Cluster; In firearms and military equipment: M61 Vulcan, a rotary cannon developed for the United States Armed Forces and used in fighter aircraft and other applications; M61 (grenade), a fragmentation hand grenade used by the United States ...