by Staff Writers
Picayune MS (SPX) Sep 30, 2011
NASA conducted a 40-second test of the J-2X rocket engine Sept. 28, the most recent in a series of tests of the next-generation engine selected as part of the Space Launch System architecture that will once again carry humans into deep space.
It was a test at the 99 percent power level to gain a better understanding of start and shutdown systems as well as modifications that had been made from previous test firing results.
The test at NASA's John C. Stennis Space Center in south Mississippi came just two weeks after the agency announced plans for the new SLS to be powered by core-stage RS-25 D/E and upper-stage J-2X engines.
The liquid hydrogen/liquid oxygen J-2X is being developed for NASA's Marshall Space Flight Center in Huntsville, Ala., by Pratt and Whitney Rocketdyne.
View video of the J-2X 40-second test.
John C. Stennis Space Center
Rocket Science News at Space-Travel.Com
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New packaging for old US rocket
Moscow (RIA Novosti) Sep 26, 2011
According to NASA administrator Charles Bolden, the U.S. will develop a new heavy-lift launch vehicle to send astronauts to an asteroid and to Mars. However, there is nothing revolutionary in the new project, says a Russian expert in space exploration. The new rocket called the Space Launch System will deliver from 70 to 100 tons of cargo, including the Orion Multi-Purpose Crew Vehicle for ... read more
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