Accession Number : ADD014829

Title :   Propellant Grain Design.

Descriptive Note : Patent, Filed 28 Nov 88, patented 26 Jun 90,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Andrew, James W

Report Date : 26 Jun 1990

Pagination or Media Count : 8

Abstract : This patent discloses a solid propellant rocket motor propellant grain configuration having a center bore of a varying diameter, ballistic slots, a stress/ballistic groove, and a burn inhibitor band for withstanding service motor operating environments and providing the required ballistic profile.

Descriptors :   BALLISTICS, BORES, GROOVING, MOTORS, PATENTS, PROFILES, PROPELLANT GRAINS, SLOTS, STRESSES

Subject Categories : Solid Rocket Propellants

Distribution Statement : APPROVED FOR PUBLIC RELEASE