Training weapon system

F - Mech Eng,Light,Heat,Weapons – 41 – A

Patent

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Details

F41A 33/00 (2006.01) F41A 1/08 (2006.01) F42B 8/10 (2006.01)

Patent

CA 2262622

The invention relates to a training weapon system for a portable recoilless anti-armour weapon of the type which comprises a sub-calibre insert barrel (1) arranged in the bore of the launching barrel of the full-calibre weapon. In order to improve the accuracy of the system and make it more safe as well as less expensive when compared to previous systems of this type, the sub-calibre insert barrel (1) has a rifled bore to make the training projectile spin stabilized. The forward aligning member (5) for centering the insert barrel (1) is engaging the ridges of the rifles in the rifled portion of the barrel in the recoilless full calibre weapon. By such an arrangement it can be avoided that length tolerances give rise to undesired radial deviations which might result in a mis-alignment of the insert barrel (1) within the gun bore. This could happen with the forward aligning member engaging the conical, smooth-bored firing chamber in the barrel.

L'invention concerne un système d'arme d'instruction destiné à une arme antiblindée sans recul portable du type comprenant un canon d'insertion sous-calibré (1) placé dans l'âme du canon de tir de l'arme de calibre réel. Pour améliorer la précision du système et le rendre plus sûr et moins coûteux comparé aux systèmes actuels de ce type, le canon d'insertion sous-calibré (1) a une âme rayée permettant de stabiliser la vitesse de rotation des projectiles d'instruction. L'élément d'alignement avant (5) destiné au centrage du canon d'insertion (1) est en prise avec les arêtes des rayures de la partie rayée du canon de l'arme sans recul de calibre réel. Ce système permet d'éviter que les tolérances de longueur engendrent des déviations radiales indésirables qui, à leur tour, pourraient entraîner un mauvais centrage du canon d'insertion (1) dans l'âme du canon, ce qui pouvait se produire quand l'élément d'alignement avant pouvait être en prise avec la chambre à feu conique à paroi interne lisse du canon.

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