Triad National Security, LLC

Kavitha Chintam

Mahlon Scott Wilson

Nicholas Dallmann

Bryce Tappan

Joseph Lichthardt

David Hemsing

Malakai Coblentz

Ian Shelburne

A system for multiple burns from a solid fuel rocket motor may extinguish rocket fuel after the rocket has been ignited. The motor may be extinguished via rapid decompression of the combustion chamber. The fuel may then be reignited by a suitable igniter, and the process of extinguishing and reigniting may be repeated, enabling multi-burn maneuvers. A decompressive extinguishing plug nozzle may extinguish solid rocket fuel after the rocket has been ignited and/or keep a rocket in a disarmed (zero thrust) state until the rocket is to be armed. The nozzle may include a plug that mostly impedes the opening of the nozzle and an outer cowl that is movable to rapidly decompress the combustion chamber. This rapid decompression extinguishes the solid rocket fuel. In some aspects, the fuel can be reignited and extinguished multiple times.

System for multiple burns from a rocket motor

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Los Alamos, NM, United States of America

Kavitha Chintam