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originally posted by: Bedlam
a reply to: Forensick
The magnetic field that drives the projectile forward drives the coil windings and the stator backward.
New 32-megajoule railguns have been installed and fired in Virginia and New Mexico.
Once they’ve reached the 10-round a minute rate then they will work to make the railgun barrel last for 1000 shots or more.
The current railguns fire a 16 kg slug at 2,000 meters per second (Mach 5.8), which takes 32 megajoules of energy per shot.
10 shots minute would need 20 megawatts of power.
Only 11 nuclear-powered aircraft carriers and three Zumwalt-class destroyers currently have the power for a railgun.