The Navy Builds a Rail Gun

By Deane Barker on February 1, 2008

Rail Guns: Navy Rail Gun Test DESTROYS Everything It Touches at 5,640 mph: With video awesomeness. As near as I can tell, the projectile is traveling so fast, it’s just igniting the air around it.

The US Navy has just completed a 10-megajoule test fire of their huge rail gun. For the first time ever, they fired a projectile with a velocity of 8,270 feet per second. That’s an amazing 5,640 mph, and the gun is only firing at a third of its potential power.

That’s getting up around two miles per second.

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