ARTILLERY SHELL Russian patent published in 2001 - IPC

FIELD: artillery armament. SUBSTANCE: the artillery shell consists of an logical head with a fuse, conical base, cylindrical portion and the upper bourrelet and lower bourrelet with bands located at the edges of the cylindrical portion. The length of the shell nose makes up (2.55 to 2.90)d, the length of the base is (0.60 to 0.65)d, and the distance between the upper and lower bourrelets makes (2.00 to 2.30)d at an overall length of the shell of (5.45 to 5.55)d, where d - the shell caliber. EFFECT: enhanced close grouping of shots within the range of muzzle velocities of 530 to 600 m/s, with the range of fire being unchanged. 1 dwg, 1 tbl