Design and Development of Extremely High Velocity Electromagnetic Launch Accelerators--GEDI program

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Date

1989-01

Authors

Upshaw, J. L.
Zowarka, Jr, R. C.
Cook, R. W.
Weeks, D. A.

Journal Title

Journal ISSN

Volume Title

Publisher

IEEE

Abstract

Research is described that has centered around 1, 2, or 8 m long, 12.7 mm square-bore railguns powered by one or more of the following power supplies: a 1 MJ capacitor-bank-driven, pulse-forming network; a 6 MJ homopolar-generator (HPG)-charged coaxial inductor; or one or more of six 10 MJ Balcones-HPG-charged coaxial inductors. Several variations of the 1 and 2 m-long railguns were designed, fabricated, and tested. Railgun design parameters, development, and some test results are described. Parameters of primary importance in designs include sidewall insulator and rail materials; gun length and outer structure materials; stiffness and strength; ease of assembly and disassembly; and availability of methods for supporting, straightening, and honing the guns. Both static and dynamic aspects of railgun structural behavior are discussed

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Citation

J.L. Upshaw, R.C. Zowarka Jr., R.W. Cook, and D.A. Weeks, “Design and development of extremely high velocity electromagnetic launch accelerators -- GEDI program,” IEEE Transactions on Magnetics, vol. 25, no. 1, January 1989, pp. 568-573.

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