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Friday, February 06, 2009

US Navy spends $12m on electric hypercannon


Railgun dreadnoughts to rule the waves?

The Institute of Advanced Technology at the University of Texas, Austin [will] perform railgun assessment including laboratory testing and scalability between small and medium scale launcher, pulsed power assessment and conceptual prototyping and assessment of electromagnetic railgun contractor development items including advanced containment launcher and pulsed power systems.

Railguns work by driving a conductive armature down a pair of rails, with heavy electric current flowing through the armature from one rail to another.

This generates magnetic forces which push the armature along the rails. The armature may be the projectile itself, may be attached to it, or may merely be a driving sabot intended to drop off after clearing the end of the gun "barrel".

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