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SMAW-D(CS) (Disposable (Confined Space))

The SMAW-D(CS) (Shoulder launched multipurpose assault weapon-disposable (confined space) will enable soldiers to fire this single-shot, disposable launcher weapon against earthen, timber bunkers and light armored vehicles and breech masonry walls from and an en-closed space, which is not possible with the current SMAW-D. This requirement is necessary due to the termination of the Multi-purpose Individualized Munition, which provided soldiers with a confined space launch capability. The SMAW-D(CS) responds to the increased urban terrain engagements that soldiers are training for and operating in and meets the need for this confined space, launch and breeching requirement.

Talley Defense Systems is dedicated to supporting the Army's Objective Force. To this end, Talley is developing a disposable shoulder-launched weapon that can be safely fired from an enclosure without hazard to the gunner or other soldiers present. The use of countermass gel reduces the over blast, backblast, debris and noise. It also ensures a low launch signature, so a soldier's position remains concealed. What Talley has not changed is range and lethality. The confined space weapon is a product improvement program designed to enhance the capability of SMAW-D by use of Talley's unique propulsion system.

The SMAW-D(CS) Confined Space technology uses the Davis Gun Counter-Mass principle to maintain projectile velocity while providing low visual signature for soldiers safely fire from and enclosure. A Davis Gun is a recoilless gun that functions on the momentum exchange principle, firing the projectile and a reaction mass from both ends of the barrel at the same time. A projectile is fired toward the front and a compensating mass toward the rear from an equal-caliber barrel open on both ends. The axial forces are transmitted to the gun only by friction of the projectile and/or the compensating mass on the inner wall of the barrel; propellant gas forces in this case do not contribute toward recoil during firing, and the friction forces can be kept lower by several orders of magnitude than the propellant gas forces, while the friction forces of the projectile and of the compensating mass, at least in part, compensate each other. For this reason, the so-called "Davis gun" is an essentially recoilless gun.



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