US Government As Represented by the Secretary of the Army

Steve Tauscher

George E Hathaway, Iv

Mark D Witherell

Richard F Becker

Jose Santiago

Ramon Espinosa

KarolAnne Madulka

A finless mortar tube made of a superalloy includes, seriatim, a breech end, a beginning taper point, an ending taper point, a lower clamp region, an upper clamp region, and a muzzle end. The nominal wall thickness of the tube is constant from forward of the breech end to the beginning taper point and the nominal wall thickness of the tube decreases from the beginning taper point to the ending taper point. The mortar tube is capable of a substantial increase in the rate of fire compared to conventional mortar tubes.

Superalloy mortar tube

A cooling fin for a mortar tube comprises a plurality of discrete nibs disposed on an external surface of the mortar tube wherein the nibs are arranged in longitudinal rows spaced circumferentially around the mortar tube. Preferably, the number of longitudinal rows of nibs is thirty-six. The nibs have a substantially square cross-section.

Mortar tube with cooling fin

A training mortar apparatus includes a small mortar tube and a large mortar tube, the small mortar tube being disposed in the large mortar tube; a removable base cap attached to one end of the small mortar tube; a plug inserted in the removable base cap; a removable firing pin inserted in the plug; a second base cap attached to one end of the large mortar tube; and at least one opening in the large mortar tube, the opening being axially aligned with the removable firing pin of the small mortar tube. Improved manufacturing methods are also disclosed.

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Schuylerville, NY, United States of America

Steve Tauscher