Patent ID: 6827020
Filing Date: 2004-12-07
Classification: F42B

Abstract:
A spin-stabilized projectile for use with a gun barrel, the spin-stabilized projectile having a longitudinal projectile axis, a projectile body and a guide band being circumferentially mounted on an outer face of said projectile body; said guide band comprising a plurality of axially adjoining partial guide bands; one of said partial guide bands being a first partial guide band made of a material selected from the group consisting of copper and a copper alloy; and one of said partial guide bands being a second partial guide band made of soft iron and axially adjoining said first partial guide band; a total axial length of all second partial guide bands being between 5% and 50% of a total axial length of said guide bands,wherein the total number of said partial guide bands is two, said projectile has a rear terminus and a front terminus, the partial guide band closest to the rear terminus is said second partial guide band and the partial guide band closest to the front terminus is said first partial guide band, and the second partial guide band has a maximum outside diameter that is greater than a maximum inside diameter of the gun barrel taken at an outer most portion of arooves of rifling of the gun barrel.