Large caliber frangible projectile

摘要

A large caliber, frangible, training projectile imitates, for training purposes, the corresponding tactical projectile. To enable fragmentation of the training projectile at impact, some embodiments of the frangible projectile are partially or entirely made of a material with a lower yield strength than the material used in the counterpart tactical projectile. Some embodiments of the frangible projectile may include portions that are sectioned, welded, or provided with stress risers. Some embodiments of the frangible projectile may include high density particles suspended in a weaker medium. The fragmentation methods may be applied to the overall mass of the projectile, or to a portion of the projectile.

主权项

1. A frangible training projectile for a large caliber gun, comprising:
a generally cylindrical base portion; a generally conical portion contiguous with the base portion, the base portion and the conical portion having a common central longitudinal axis and made of steel having a yield strength of at least 60 ksi; at least three longitudinal slits formed in the base and conical portions, the slits being equally spaced circumferentially, each slit extending from a bottom surface of the base portion through the base portion and into the conical portion, each pair of adjacent slits defining a projectile section therebetween; wherein, upon impact of the projectile, the projectile sections break away from a central core.