US 12,320,624 B1
Sacrificial device for sub-caliber munition
Eric J. Laxton, Spotsylvania, VA (US); and Noel J. Colon-Diaz, Fredericksburg, VA (US)
Assigned to United States of America, as represented by the Secretary of the Navy, Arlington, VA (US)
Filed by Eric J. Laxton, Spotsylvania, VA (US); and Noel J. Colon-Diaz, Fredericksburg, VA (US)
Filed on May 7, 2024, as Appl. No. 18/656,665.
Int. Cl. F42B 14/06 (2006.01); F42B 10/06 (2006.01); F42B 10/44 (2006.01)
CPC F42B 14/06 (2013.01) [F42B 10/06 (2013.01); F42B 14/064 (2013.01); F42B 10/44 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A device for inhibiting pitch and yaw within a barrel bore of a gun-launched projectile having a nose and a boattail, said device comprising:
an endcap that attaches to the boattail, said endcap having a center cavity;
a cruciform having a central ring that engages around said endcap, and a plurality of radial spokes, each spoke extending from said ring and ending in a flange that engages the bore; and
a plug that inserts into said ring and said cavity, wherein said plug sheers away from said endcap after the projectile launches from the bore, thereby causing said cruciform to separate from said endcap.