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Microcosm 89N

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Status: Hardware. Date: 2000-2004. Thrust: 89.00 kN (20,007 lbf).

In May 2005 Microcosm successfully completed a series of tests of an 89,000-newton low-cost ablative composite rocket engine for responsive launch vehicle applications. Several engines underwent a series of tests ranging from 1 second to 30 seconds in duration with multiple injectors, chambers, and operating pressures. The testing was the combined effort of Microcosm; Sierra Engineering of Carson City, Nevada, which designed the injector for the engine; and the AFRL facilities at Edwards Air Force Base where the tests were conducted. This engine would be used on the booster pods and sustainer stage of the Microcosm Eagle SLV included in the DARPA and USAF FALCON Small Launch Vehicle Program.

Propellant Formulation: Lox/Jet A.