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Navy Railgun Tests Leading to Ship Superweapon by 2020
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<blockquote data-quote="Mustrum_Ridcully" data-source="post: 5837757" data-attributes="member: 710"><p>Unlike in Firefly, real world firearms ammunition actually provides its own oxygen and would probably work unaltered in vacuum. </p><p>Maybe some issues with recoil compensation may remain if there is no regular air in the gun. Maybe some automatic weapons would not work as well (they use pressure build up in the gun barrel to reload themselves automatically, but I suspect that most of that pressure comes purely from the explosion itself and whether air is in the barrel before doesn't matter at all.)</p><p></p><p></p><p>Why is recoil damping more of an issue? Sure, your spaceship/satellite will get brought off course a little every time it fires, but that's what your engines are for. I would expect the craft firing the weapon still be heavier, so it would be accelerated a lot less than the projectile (and we're not talking about relativistic weapons).</p><p></p><p>I would expect that heating could become a larger issue, as without air to help transfer heat, it radiates only very slowly. And the craft itself has the same issue.</p></blockquote><p></p>
[QUOTE="Mustrum_Ridcully, post: 5837757, member: 710"] Unlike in Firefly, real world firearms ammunition actually provides its own oxygen and would probably work unaltered in vacuum. Maybe some issues with recoil compensation may remain if there is no regular air in the gun. Maybe some automatic weapons would not work as well (they use pressure build up in the gun barrel to reload themselves automatically, but I suspect that most of that pressure comes purely from the explosion itself and whether air is in the barrel before doesn't matter at all.) Why is recoil damping more of an issue? Sure, your spaceship/satellite will get brought off course a little every time it fires, but that's what your engines are for. I would expect the craft firing the weapon still be heavier, so it would be accelerated a lot less than the projectile (and we're not talking about relativistic weapons). I would expect that heating could become a larger issue, as without air to help transfer heat, it radiates only very slowly. And the craft itself has the same issue. [/QUOTE]
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