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NASA to have another go at firing Space Launch System engines because just over a minute of data won't cut it


Chance of Moon landing in 2024 ever slimmer if test flight this year is delayed
Richard Speed
Mon 1 Feb 2021 // 13:56 UTC
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Hopes of a launch of NASA s Space Launch System (SLS) in 2021 have been dealt a further blow by an admission that a second Green Run hot fire test is required for the SLS core stage.
The Boeing-led core stage for NASA s monster Moon rocket arrived at the Stennis Space Center, Mississippi, over a year ago and was mounted in the B-2 test stand for a succession of check-outs known as the Green Run. These culminated in a firing of all four Shuttle-derived RS-25 engines in order to simulate a launch. ....

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NASA decides to redo SLS Green Run Static Fire - NASASpaceFlight.com


NASA decides to redo SLS Green Run Static Fire
January 30, 2021
As expected, but now official, NASA has announced the decision to redo the Green Run Hot-Fire test of the agency’s Space Launch System (SLS) Core Stage at the Stennis Space Center in Mississippi. The Core Stage was fired for 67 seconds on January 16 in the B-2 Test Stand at Stennis before the test was ended early.
The SLS Program, Core Stage prime contractor Boeing, and RS-25 engine prime contractor Aerojet Rocketdyne are continuing to refurbish their vehicle hardware and Stennis is recycling their ground systems for a second attempt to fire the stage for a full eight minute flight duration near the end of February. ....

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Engineers blame 'intentionally conservative' test parameters for premature end to Space Launch System hotfire

Engineers blame 'intentionally conservative' test parameters for premature end to Space Launch System hotfire
theregister.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theregister.com Daily Mail and Mail on Sunday newspapers.

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