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A compulsator driven rapid-fire EM gun

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4 Author(s)
Pratap, S.B. ; University of Texas, Austin, TX ; Bird, W. ; Godwin, G. ; Weldon, W.F.

A compulsator-driven railgun is an attractive alternative to the homopolar generator-inductor-switch configuration, especially for repetitive duty. A conceptual design of a rapid-fire EM-gun system is presented. The generator is sized to accelerate a 0.08-kg projectile to 2 to 3 km/s at a 60 pulse-per-second repetition rate. Initial design parameters are discussed, and example current and velocity waveforms are given. The generator is discharged at the proper phase angle to provide a current zero just as the projectile exits the muzzle of the railgun.

Published in:

Magnetics, IEEE Transactions on  (Volume:20 ,  Issue: 2 )