Development of the Scorpius LOX/Kerosene Engine Family


Microcosm and Sierra Engineering have been developing a series of low-cost pressure fed LOX/kerosene engines to power the Scorpius® family of launch vehicles. This paper focuses on the design, fabrication and testing of a 20K lbf O-F-O triplet injector with a flight-type ablative chamber. The test results indicated good performance and stability. The ablation rates were higher than desired. Minor design modifications and additional testing will complete the engine verification process.

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Muss, J., Chakroborty, S., Leyva, I. A., “Development of the Scorpius LOX/Kerosene engine family,” JANNAF 2005-0356, 2nd Liquid Propulsion and 1st Spacecraft Propulsion Subcommittee Meeting, Monterey, California, December 5-8, 2005.