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NASA Conducts 5th Test in RS-25 Series Supporting Artemis Moon Missions


NASA Conducts 5th Test in RS-25 Series Supporting Artemis Moon Missions
July 14, 2021
NASA conducted a fifth RS-25 single-engine hot fire July 14 as a continuation of its ongoing seven-part test series, supporting development and production of engines for the agency’s Space Launch System (SLS) rocket on future missions to the Moon.
Operators fired the engine for more than eight minutes (500 seconds) on the A-1 Test Stand at Stennis Space Center near Bay St. Louis, Mississippi, providing data to Aerojet Rocketdyne, lead contractor for the SLS engines, as it produces engines for use after the first four SLS flights.
Four RS-25 engines, along with a pair of solid rocket boosters, will help power SLS, firing simultaneously to generate a combined 1.6 million pounds of thrust at launch and 2 million pounds during ascent. ....

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Aerojet Rocketdyne refurbishing RS-25 engines for Artemis 1 launch and production restart testing


Aerojet Rocketdyne refurbishing RS-25 engines for Artemis 1 launch and production restart testing
April 9, 2021
With the completion of another single-engine RS-25 development test, Aerojet Rocketdyne is now refurbishing five engines at the Stennis Space Center in Mississippi for their next use. After the second test firing of the Retrofit 2 series in the A-1 Test Stand on April 6, development engine 0528 is going through a streamlined refurbishment prior to its next firing as a part of the production restart Retrofit 2 test series.
In parallel, the four RS-25 engines installed on the first Space Launch System (SLS) Core Stage in the nearby B Test Stand are being taken through a longer refurbishment checklist for flight engine hardware. The next planned ignition for those Core Stage engines is for the first SLS launch on the Artemis 1 mission to send an Orion spacecraft to lunar orbit. ....

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