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A railgun or rail gun, sometimes referred to as a rail cannon, is a linear motor device, typically designed as a weapon, that uses electromagnetic force to launch high-velocity projectiles. The projectile normally does not contain explosives, instead relying on the projectile's high kinetic energy to inflict damage. [ 2 ]
The Electro-Magnetic Laboratory Rail Gun is a 32-megajoule electro-magnetic laboratory rail gun being evaluated by the US Office of Naval Research (ONR) Naval Air Warfare and Weapons Department. The US Navy is pursuing development of the launcher system through two industry teams – General Atomics and BAE Systems – to reduce risk in the ...
The 14-inch M1920 railway gun was the last model railway gun to be deployed by the United States Army.It was an upgrade of the US Navy 14"/50 caliber railway gun.Only four were deployed; two in the Harbor Defenses of Los Angeles and two in the Panama Canal Zone, where they could be shifted between the harbor defenses of Cristobal (Atlantic) or Balboa (Pacific).
"Battleships on Wheels" Popular Science Monthly, January 1928, pp. 16–18, 123–125, author was the US Navy admiral in charge of World War I 14-inch naval railroad cannon program. Record and Log of U.S. Naval Railway Battery 5, 1918, MS 524 held by Special Collections & Archives, Nimitz Library at the United States Naval Academy
The design of a railway gun has three firing issues over and above those of an ordinary artillery piece to consider. Namely how the gun is going to be traversed – i.e. moved from side to side to aim; how the horizontal component of the recoil force will be absorbed by the gun's carriage and how the vertical recoil force will be absorbed by the ground.
United States: World War I, World War II: 203 8-inch Mk. VI railway gun (aka M3A2) United States: World War II: 209.3 21 cm SK "Peter Adalbert" German Empire: World War I: 210 21 cm K12 (E) Nazi Germany: World War II 233 BL 9.2 inch Railway Gun United Kingdom: World War I, World War II: 238 24 cm SK L/30 "Theodor Otto" German Empire: World War ...
0–9. 8-inch gun M1888; 8-inch Mk. VI railway gun; 12-inch coast defense mortar; 14-inch/50-caliber railway gun; 14-inch M1920 railway gun; 15 cm K (E) 17 cm K (E)
The 8-inch Navy gun Mk.VI M3A2 on railway mount M1A1 was a World War II improved replacement for the World War I-era 8-inch (203 mm) M1888 gun and was used by the US Army's Coast Artillery Corps in US harbor defenses. The guns were also mounted in fixed emplacements on the barbette carriage M1A1. [1]