US Government As Represented by the Secretary of the Army

Robert Terhune

Michael S Hollis

A stabilizing fin deployment apparatus may include a base assembly for attachment to the rear end of a projectile. The base assembly may include a base, a spacer, a fin mount, a gas cavity and an opening that extends from the rear end of the base to the gas cavity. A retention nut may engage the base and secure the fin mount and spacer to the base. A retention plug may be disposed in the opening in the base assembly. The retention plug may include at least one gas conduit between an outer surface of the retention plug and the gas cavity. A retention bolt may extend through the retention plug and may be fixed to the base. A plurality of fins hubs may be rotatably fixed to the base. A plurality of fins may be translatably connected to the fin hubs. When deployed, the fin hubs may rotate forward and the fins may translate outward far into the airstream.

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Budd Lake, NJ, United States of America

Robert Terhune