USA as Represented by Secretary of the Navy

Eric S Morefield

Lee Foltz

Ian B Vabnick

Arthur W Ellis

Phillip R Quillen

Mike Sharp

Barry Black

Joe Rothenberger

Chad Smith

Provided herein are projectiles for use in a propellant driven disrupter device, and associated methods, to neutralize an explosive target. The projectile may comprise a friction reducing container at least partially filled with one or more fluids, fluid mixtures, particles, and other components to provide one or more desired fluid properties to achieve a desired one or more jet parameters upon target impact. The fluid(s) in the container are referred to as highly efficient energy transfer (HEET) fluids do to the improved fluid jet action on target compared to conventional water projectiles. The projectiles and disruptor can be more precisely individually tailored to the target, thereby increasing the likelihood of successful disablement and decreasing the likelihood of inadvertent and uncontrolled explosion.

Disrupter driven highly efficient energy transfer fluid jets

An EOD disruptor system for penetrating steel encased explosive devices has a barrel and a blank cartridge loaded in the EOD disruptor. A water column is disposed in the barrel in front of the blank cartridge. A water plug is disposed in front of the water column. A muzzle-loaded projectile is disposed in front of the water plug. The projectile includes a shaft portion at least partially disposed in the barrel and a front portion disposed outside of the barrel. The shaft portion may have a length from about four inches to about eighteen inches. The projectile may have a weight from about four ounces to about two pounds. The ratio of the length of the shaft portion of the projectile to the inner barrel diameter may be in a range of about two to about 50.

Low impact threat rupture device for explosive ordnance disruptor

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Quantico, VA, United States of America

Eric S Morefield