Summer Heat
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Summer Heat

August 25, 2009
August 6, 2009 -- A white-hot flame surrounded by red hot exhaust shoots from a recent test of the J-2X engine "workhorse" gas generator at NASA's Marshall Space Flight Center, Huntsville, Ala. The workhorse gas generator simulates the flow path inside the actual J-2X gas generator that powers the engine's turbo machinery. Testing to ensure stable combustion and uniform gas temperature in this component translates into a safer, more durable J-2X engine, which will power the second stage of the new Ares I rocket.

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