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Frangible tail boom for projectile

  • US 9,470,491 B1
  • Filed: 09/25/2014
  • Issued: 10/18/2016
  • Est. Priority Date: 09/25/2014
  • Status: Active Grant
First Claim
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1. A frangible tail boom for a gun-launched projectile, comprising:

  • a tail boom housing having a central longitudinal axis, a forward end configured to engage a projectile body and a through bore;

    the tail boom housing having a forward portion and a rear portion, the forward portion having the general shape of a conical frustum, an outer diameter of the forward portion decreasing from the forward end toward the rear portion;

    the through bore in the forward portion including a large diameter segment and a small diameter segment located rearward of the large diameter segment;

    the forward portion including a circumferential groove extending from an outer surface radially inward toward the small diameter segment of the through bore wherein after the projectile impacts a target the tail boom is designed to fracture at the circumferential groove.

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