Pratt & Whitney Rocketdyne and NASA successfully completed a 500-second duration hot-fire test on NASA’s J-2X engine, a key step in demonstrating the propulsion system’s ability to power humans further into space than ever before. NASA selected the J-2X as an upper-stage engine for the Space Launch System (SLS) – an advanced heavy-lift launch vehicle.
The hot-fire test ran full-duration for 500 seconds in the A2 test stand at John C. Stennis Space Center in Mississippi. The engine ran at a 100 percent power level to gain a better understanding of how the engine behaves during a full mission.
Read the Pratt & Whitney press release here.
Coverage:
- J-2X test-firing a milestone for NASA (Florida Today)
- NASA hits firing goal of 500 seconds with first new J-2X engine (Huntsville Times)
- NASA Test Fires Engine for Giant New Rocket (SPACE.com)
- SLS J-2X Upper Stage engine enjoys successful 500 second test fire (NASAspaceflight.com)
- NASA runs J-2X engine 500 seconds in ground firing (Spaceflight Now)
- NASA's New Upper Stage Engine Passes Major Test (NASA)
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