Area multiplier

Details Area multiplier Area multiplier

1983-03-30

1984-12-18

Bentley, Stephen C.

Ammunition and explosives

Projectiles

Composite

102501, 102514, F42B 1316

Patent

active

044884915

ABSTRACT:
The invention is an improved area multiplier for use in munitions launching aboted sub-caliber projectiles. The improved area multiplier not only provides the increased area required to reduce sabot base stresses to acceptable levels, but it has a novel and unique structure that improves and assures uniform spin to the projectile. The area multiplier consists of a disc-like portion having a centrally located aperture therein, and a plurality of triangular-like projections affixed to one face of the disc-like portion. The areas between the triangular-like projections serve to lock the area multiplier to the sabot after molding and the sharp edges of and at the apex of the triangular-like projections serve to engage the projectile base during launch to prevent slippage within the sabot and thereby impart a uniform spin to the projectile upon launching.

REFERENCES:
patent: 472413 (1892-04-01), Wallis
patent: 1612955 (1927-01-01), Valberg
patent: 4148259 (1979-04-01), Yuhash et al.

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