Scram cannon: Difference between revisions

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-{{merge|ram accelerator}}
+#REDIRECT [[Ram accelerator]]
-The '''scram cannon''' is a hypothetical [[kinetic energy]] [[weapon]] based on [[ram accelerator]] technology.  The scram cannon uses a projectile that uses supersonic combustion ramjet technology to increase the muzzle velocity to levels that are impossible with normal [[gunpowder]] based guns;  [[firearms]] are limited by the [[speed of sound]] in the [[propellant]] gasses, which limits the velocities to about [[Mach (speed)|Mach]] 5 (see [[internal ballistics]]).
-A scram cannon uses a sealed barrel filled with a fuel/oxidizer mixture that undergoes supersonic combustion as the projectile passes by.  The energy liberated by this combustion acts to propel the projectile through reaction, like a jet or rocket engine, rather than by pressure as in a gun.  This allows the scram cannon to launch sizeable projectiles at velocities previously only attainable with [[railgun]]s, [[light gas gun]]s and [[rockets]], but with significantly simpler techniques.  Scram cannons often show up in [[science fiction]] and [[role-playing game]] discussion boards.
-[[Category:Science fiction weapons]]