Quote:
Originally Posted by Ulzgoroth
Up to 75 m/s muzzle velocity.
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The video (or at least the one I saw) had the creator noting that the velocity is a function of the switching speed of the coils and capacitor control system. That can probably be improved with some engineering (and money). Not that it'll get hugely more practical.
I'd also put a barrel on it. A coil gun might not need one, but a practical longarm does seem like it would benefit from a strong metal rod that can't easily get misaligned or bent when it's dropped or tossed around. Something's got to keep those coils in a straight line.
Also those huge projectiles. It was a point new to me that it's easy to have the design become inefficient with a smaller bullet (and thus higher speed, for the same energy) because the magnetic field saturates it too quickly and you don't get to put all the magnetic flux to work. Too much fiction with those needleguns means I'd never thought about it, just assumed it was yet another 1/2 m v^2 thing.