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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).
USAF test pilot Jack B. Mayo disappeared over the Gulf of Mexico while test-firing M61 Vulcan cannons from a Republic F-105D Thunderchief. He was officially declared missing eight days later. Mayo was attached to Air Research and Development Command, Air Proving Ground Center, Eglin Air Force Base.
The M61 Vulcan 20 mm autocannon is the best-known of a family of weapons designed by General Electric and currently manufactured by General Dynamics. The M61 is a six-barreled 20mm rotary cannon that fires at up to 6,600 rounds per minute. [5]
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 ...
It had an M61 Vulcan, true, and it could articulate to aim the weapon. But there was no rotating weapon platform. The weapon was not 'manned', but operated remotely by the DSO. Also, as a B-52 weapons specialist I can also attest to the fact there was indeed a Vulcan M61 in the tail of the H model.
The F-111C entered Australian service after the technical problems were resolved, and the first F-111C was accepted at Nellis Air Force Base on 15 March 1973. [60] On 31 March, the RAAF Washington Flying Unit was formed at McClellan Air Force Base in California with the mission of ferrying the first 12 F-111Cs to Australia. [61]
Since it was to be the armament test bed, it was fitted with the 20 mm (.79 in) M61 Vulcan cannon and was equipped with an AN/ASG-14T-1 fire control system. [10] XF-104 #2 achieved a top speed of Mach 1.79 at 60,000 feet (18,000 m) on 25 March 1955, piloted by Lockheed test pilot J. Ray Goudey. This was the highest speed achieved by the XF-104.
The heart of the M167 is the M168 Cannon, a variant of the M61 Vulcan 20×102 mm rapid-fire rotary cannon. It was also effective against lightly armored ground targets. The M167 gun has now been withdrawn from service by U.S. military units, but is still used by other countries.