US Government As Represented by the Secretary of the Army

Thomas Presutti

Anthony P Farina

Nicole Harasts Sapp

Brian C Wong

Jeffrey Darbig

Marco Duca

Nicholas Liggett Grossman

Eric Skoglund

Daniel DiMartino

David Rophael

A projectile having a spin stabilized gyroscopically stable flight path due to a base flange. With the base flange, the aerodynamic overturning moment about the center of gravity is reduced to increase the gyroscopic stability factor for stable flight. In one application, a medium-caliber untethered human electro-muscular incapacitation (HEMI) projectile has improved effectiveness due to its stable flight from launch to targets. Other applications for damping resulted in significant improvement in ground dispersion of 40 mm projectiles. The increased stability and increased aerodynamic damping reduce coning motion during flight which ensures that the projectile arrives at the target with greater accuracy, and with its nose oriented for effective incapacitation of the target.

Projectile with improved flight performance

An ammunition round comprises an optimized projectile incorporating a hardened penetrator and a dual safe-fuze for a medium caliber high rate of fire round packaged into a form factor smaller than currently available multi-purpose rounds. The ammunition round incorporates a hardened segment penetrator followed by a point detonated high explosive warhead that substantially increases the terminal performance against both materiel and personnel targets. The hardened segment penetrator localizes the kinetic, energy of the projectile to increase target penetration prior to the initiation of the high explosive warhead.

Multipurpose munition for personnel and materiel defeat

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Long Valley, NJ, United States of America

Thomas Presutti