Rail gun barrel with circumferentially variable prestressing

Details Rail gun barrel with circumferentially variable prestressing Rail gun barrel with circumferentially variable prestressing

1990-02-01

1991-12-31

Bentley, Stephen C.

Ordnance

Accelerating

89 16, 124 3, F41B 600

Patent

active

050761358

ABSTRACT:
A rail gun barrel has a pair of opposed spaced apart rails separated by a pair of opposed stepped insulator members, which cooperate to define an internal bore. Interior body members surround the bore-defining components and fill the space between those components and an outer surrounding containment tube of varying curvature. A pressure cavity is provided in the interior body members on at least one side of the bore to load the outer containment tube, which because of its varying curvature, translates a circumferentially variable prestress inversely proportional to its curvature and is selected to match the particular loading scenario.

REFERENCES:
patent: 1421435 (1922-07-01), Fauchon-Villeplee
patent: 3613499 (1971-10-01), Hubbard et al.
patent: 4624173 (1986-11-01), Creedon
patent: 4771530 (1988-09-01), Creedon
patent: 4840200 (1989-06-01), Creedon
patent: 4846911 (1989-07-01), Tackett et al.
patent: 4884489 (1989-12-01), Zowarka et al.
Patch et al, "Railgun Barrel Design and Analysis," IEEE Transactions on Magnetics, vol. MAG-20, No. 2, Mar. 1984, pp. 360-363.

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