Sabot projectile guide

Details Sabot projectile guide Sabot projectile guide

1983-05-04

1985-07-09

Tudor, Harold J.

Ammunition and explosives

Projectiles

Composite

F42B 1316

Patent

active

045274835

ABSTRACT:
A sabot projectile guide with a rear sabot intended for resting in a leakoof manner against a smooth gun barrel, and with a front encircling guide collar intended for interacting with the barrel in a guiding manner, and with an encircling cavity enclosed essentially in a leak-proof manner between the sabot and the collar and the barrel. The tube friction, together with the tube damage arising from this, is reduced, centering of the projectile is improved and its scattering is reduced, because the periphery of the guide collar is designed as a dynamic gas bearing which has a ram zone open towards the front and a support gap connected to the cavity towards the rear. The cavity between sabot and the guide collar is closed off essentially in a leak-proof manner, apart from the gas bearing, so that during the interior ballistic phase a differential pressure sufficient for the functioning of the gas bearing is preserved between the ram side and the cavity.

REFERENCES:
patent: 3899978 (1975-08-01), Luther et al.
patent: 4029018 (1977-06-01), Bjornson
patent: 4239006 (1980-12-01), Kelson
patent: 4284008 (1981-08-01), Kirkendall et al.
patent: 4326464 (1982-04-01), Price

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