Japan Becomes 1st Country Ever To Fire Electromagnetic Railgun From An Offshore Vessel::Japan has successfully test-fired a medium-caliber maritime electromagnetic railgun from an offshore platform, as it continues to advance its defenses in the face of burgeoning regional security threats.

  • YoBuckStopsHere@lemmy.world
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    2 年前

    The U.S. Navy hasn’t declassified their tests so there is no official record. Japan was the first to openly do it.

    • steltek@lemm.ee
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      2 年前

      Uhh, I dunno how much declassification you’re looking for but here’s the US Navy’s Youtube channel with a video of some test firings: https://www.youtube.com/watch?v=OSce3nEY6xk

      IIRC, the problem wasn’t that it didn’t work but that the barrels wore out too quickly to be useful. I suppose they could have put this on a Zumwault like originally intended but that would just be a PR stunt when the main problem was throwing the gun away after 10 shots.

      • HurlingDurling@lemm.ee
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        2 年前

        I think there was an episode of Evangelion where they posed the same problem and solved by having multiple guns to switch to. I guess it’s common knowledge of thermal dynamics? IDK

      • gravitas_deficiency@sh.itjust.works
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        2 年前

        If the JMSDF has gotten to this phase of development, I’m gonna have to assume they’ve either made some advances in material science that deal with the extremely accelerated corrosion/ablation in the rails/barrel, or have come up with a reasonable way to quickly swap the wear components out. Who knows - maybe it’s as simple as a spool of conductive wire/metal strip runs down the length of the barrel and gets refreshed with every shot?