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Monolithic Backbone Railgun

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2 Author(s)
Kathe, E.L. ; U.S. Army Res. Dev. & Eng. Command''s Benet Labs., Watervliet Arsenal, NY ; Mallick, J.A.

The vast majority of all operational railguns in the world employ a metallic containment housing. Often composed of thousands of precision sheet metal laminates to prevent induced eddy currents, the launchers are labor intensive to build. The backbone railgun provides a monolithic metallic containment structure. Induced eddy currents are inhibited by the introduction of a large number of slits along the length of the launcher that achieve an effect analogous to traditional laminates. It is anticipated that the machining of slits from a monolithic launcher will lend itself to factory automation far more so than assembling a full length launcher from thousands of individual metal laminates. The principal advantages are: 1) elimination of stack-up tolerances; 2) producibility; and 3) stiffness. This paper will refine the concept and include an assessment of its ability to achieve magnetic transparency relative to traditional designs

Published in:

Magnetics, IEEE Transactions on  (Volume:43 ,  Issue: 1 )

Date of Publication:

Jan. 2007

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