Stennis fires up J2X Powerpack

November 28, 2012


J2X Powerpack test at the John C. Stennis Space Center in Bay St. Louis.

Stennis Space Center in Bay St. Louis sent out a picture this morning from yesterday’s hot fire test of the J-2X power pack assembly.

Engineers had moved the assembly in September to install instrumentation to its fuel turbopump.

According to an agency release, the four-minute test helped measure the turbine structural strain when the turbopump is spinning at high speeds that vary between 25,000 and 30,000 rotations-per-minute.

The Pratt & Whitney Rocketdyne J-2X engine was built in Canoga Park, Calif. and will power the upper stage of NASA’s Space Launch System, managed at the Marshall Space Flight Center in Huntsville, Ala.

This new heavy-lift rocket system will launch the Orion spacecraft and enable new manned exploration beyond low Earth orbit.

The ReelNASA channel on YouTube posted an Orion animated launch demonstration in March. The video is just over three minutes and gives an overview of a future Orion mission from launch to splashdown.

An artist’s rendering of the upper stage of the Orion space capsule.

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About Stephen McDill

Stephen McDill joined the Mississippi Business Journal in 2008 after working in radio and television. He is a graduate of Belhaven University and has won awards for his writing and photojournalism from the Associated Press and Mississippi Press Association.

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