Navy Railgun Successfully Fires Multi-Shot Salvos

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The Office of Naval Research (ONR) demonstrates the Navy's electromagnetic railgun initial rep-rate fires of multi-shot salvos at the Naval Surface Warfare Center Dahlgren Division.

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  1. 26366814
    26366814 Jul 27, 2017

    How come there is so much smoke? Looks like conventional weapon. Electromagnetic's should develop no smoke unless they are using oil to lubricate the round.

  2. 36286157
    36286157 Jul 29, 2017

    It's the dissipation of heat from the extreme current discharges needed to propel the projectile at 7 times the speed of sound. Basically a ball of plasma.

  3. 36289234
    36289234 Jul 31, 2017

    The smoke is from soft carbon along the sabot of the round that is instantly heated into a plasma and ejected with the round as smoke. These sacrificial sabots prevent electrical arcing - that is as of yet impossible to eliminate given the energies involved - from damaging the rails within the gun itself. Arc and plasma damage to the rails had been the number one preventative challenge to developing resilient rail guns. This is one solution.

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