Engineers at NASA’s Stennis Space Center in Mississippi are evaluating data from a 1.9-sec. ignition test of the J-2X upper-stage rocket engine carried out in test stand A2 on July 14. The “burp” test was the first for the big new rocket engine, and was designed to ensure the start sequence was properly configured. “Our objective was to get the main chamber to ignite,” says Walt Janowski, J-2X program manager at Pratt & Whitney Rocketdyne (PWR). “We did that successfully, and got ...


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