Self-switching electromagnetic launcher for repetitive operation

Details Self-switching electromagnetic launcher for repetitive operation Self-switching electromagnetic launcher for repetitive operation

1986-02-24

1986-09-02

Brown, David H.

Ordnance

Accelerating

124 3, 310 12, F41F 102

Patent

active

H00001236

ABSTRACT:
The invention concerns an EM Launcher wherein each projectile has an insuor which, when subjected to a breakdown voltage, allows current conduction through the EM rails and the projectile for acceleration thereof. The insulator thus provides a disposable switch for a rapid fire EM launcher, negating the necessity of electrical (inductor circuit) charging or mechanical (breech) recycling.
A key element in the invention is the replacing of a repetitively operated external switch with a plurality of single-shot, disposable switches. Better performance can be obtained from a single-shot switch (i.e., lower inductance, lower on-state voltage drop) because the compromises required of a repetitive switch to enable it to recover its voltage holdoff are not necessary.

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