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The M61 Vulcan is a hydraulically ... the standard 20×102 mm cartridge was determined to have the desired balance of projectile/explosive mass and muzzle velocity, ...
The magazine can hold 1,174 rounds, although 1,150 is the typical load-out. Muzzle velocity when firing armor-piercing incendiary rounds is 1,013 m/s, almost the same as the substantially lighter M61 Vulcan's 20 mm round, giving the gun a muzzle energy of just over 200 kilojoules. [9] 30x173mm round next to a .30-06 Springfield for comparison
The basis of the system is the 20 mm M61 Vulcan rotary cannon, ... Muzzle velocity: 3,600 ft/s (1,100 m/s) Rate of fire: 4,500 rounds/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 30x173mm cartridge has a greater projectile mass than the 20x102mm cartridge fired by the Phalanx CIWS M61 Vulcan, so it provides much greater destructive power and significantly increased range with similar muzzle velocity. The 30x173mm MPDS cartridge has a discarding nylon sleeve with a 21 mm sub-calibre tungsten penetrator. The nylon ...
The M61A1 used an improved method of attaching the ballistic cap to the shell. The M61 had a muzzle velocity of 617 m/s (2024.28 ft/s) and was credited with the ability to penetrate 81 millimetres (3.2 in) of rolled homogeneous armor plate at 0° from vertical at 500 yards range, which was a quite acceptable performance by the standards of 1942.
20 mm caliber is a specific size of popular autocannon ammunition. The dividing line between smaller-caliber weapons, commonly called "guns", from larger-caliber "cannons" (e.g. machine gun vs. autocannon), is conventionally taken to be the 20 mm round, the smallest caliber of autocannon.
Muzzle velocity: 915 m/s (3,000 ft/s) Feed system: 192 round rotating magazine: ... In the end the M163, a M61 Vulcan mounted on an M113, was used. The designer, ...