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A technique to make reliable high-current, high-Coulomb electrical contact was developed for transmitting power into railguns. The method uses spring-loaded removable connectors that are installed independently from the launcher. The simple rod-type design and absence of fastener holes allow maximum utilization of material mechanical properties. Repeated experiments with 9.5 mm diameter connectors demonstrated reliable pulsed charge transfer of 200 C at currents of over 400 kA.>
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Susoeff et al. (1993) studied this question.
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