Title: Explosive fuse for ballistic projectile

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Abstract: An elongated, aerodynamically improved ballistic projectile fuse, having an overall fuse length greater than its maximum diameter by a factor of approximately two, includes a lightweight aluminum fuse body having forward and rearward portions and an interiorily disposed firing pin with a shearable flange thereon. A steel sleeve mounted in the fuse body is provided for supporting the firing pin with a head portion thereof forwardly directed and exterior to the sleeve and for guiding the firing pin through the fuse body toward the rearward portion thereof subsequent to impact of the fuse with a target. A cap, enclosing the firing pin head, is configured for collapsing and impacting the head upon fuse impact with a target, thereby causing shearing of the firing pin flange and driving of the firing pin rearwardly toward detonation means disposed within the fuse body rearward portion. The cap is in turn enclosed by a windscreen which provides an aerodynamically streamlined, forward continuation of the fuse body. Means joining the windscreen to the sleeve enables separation therebetween on target impact, thereby enabling the windscreen to collapse the cap.


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