Tag: railgun

Navy's New Railgun Shoots at Mach 7, Can Hit Targets 100 Miles Away

By Jennifer Welsh | December 13, 2010 3:58 pm

Last week the Navy took its best shot–and it was a doozy. The shot, fired on December 10th, broke the world record for the most powerful shot, as the 23-pound aluminum projectile rocketed out of the Navy’s electromagnetic railgun at a reported speed of Mach 7, or seven times the speed of sound.

Today’s 33-megajoule shot–powerful enough to launch 33 Smart cars at 100 mph–means the Navy can fire projectiles at least 125 miles, keeping military personnel at a safe distance from their targets, according to the Office of Naval Research. [Popular Science]

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CATEGORIZED UNDER: Physics & Math, Technology
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