Railgun
Rail Gun (32/MJ LRG) to the U.S. Naval Surface Warfare Center.
The U.S. Navy's experimental railgun is getting new upgrades to make it fire more powerful
shots, and fire them faster. It's the latest bit of progress on this still-landlocked weapon, but when
and where it actually would be installed on a warship is not clear.
The goal, according to Tom Beutner, head of Naval Air Warfare and Weapons for the ONR, is ten
shots per minute at 32 megajoules. One way of looking at it is that a .22 bullet has 1,000 foot-
pounds aka 1356(Nm) of force at the muzzle. A 32 megajoule railgun shot: 23,601,988 foot-
pounds aka 3.200000e(plus)7(Nm).
The existing railgun works by using extremely high electrical currents to generate magnetic
fields capable of accelerating a projectile up to Mach 6, which is more than twice as fast as any
other existing projectile. The range is 100 miles and it fires projectiles which destroy targets by
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