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ROCKET SCIENCE
RS-25 Engines Ready for Maiden Flight of NASA's Space Launch System
by Staff Writers
Stennis Space Center MS (SPX) Oct 16, 2017


Aerojet Rocketdyne displays the four RS-25 engines slated to fly on EM-1, the maiden flight of NASA's SLS rocket, at its facility located at NASA's Stennis Space Center. Image courtesy Aerojet Rocketdyne, Inc. For a larger version of this image please go here.

Aerojet Rocketdyne reports that four RS-25 engines slated to fly on Exploration Mission-1 (EM-1), the maiden flight of NASA's Space Launch System (SLS), are ready for integration with the rocket's core stage. EM-1 is a three-week mission in which the SLS rocket will launch the Orion spacecraft into a distant retrograde orbit around the moon farther than a human-rated vehicle has traveled before, and also will deliver 13 small satellites to deep space.

"The Space Launch System epitomizes our nation's legacy of ingenuity and our spirit of exploration," said Aerojet Rocketdyne CEO and President Eileen Drake. "When it launches, SLS will eclipse the performance of any rocket flying today or currently under development."

All four of the RS-25 engines that will fly during EM-1 also flew during the Space Shuttle Program; however, they have been outfitted with new controllers and adapted for SLS. Each engine provides half a million pounds of thrust, totaling more than 2 million pounds of thrust, for the first stage of the SLS rocket. An infographic about the first four engines and their flight history can be found here.

"These four EM-1 engines have a rich and storied history," said Dan Adamski, RS-25 program director at Aerojet Rocketdyne. "Together, they've powered 21 shuttle flights with the most experienced engine, E2045, having flown on 12 separate flights."

Aerojet Rocketdyne will store the four engines for EM-1 at its facility located at NASA's Stennis Space Center until they are ready for integration with the core stage, which is currently in development at NASA's Michoud Assembly Facility in New Orleans.

In addition to the core stage propulsion for the debut SLS flight, Aerojet Rocketdyne is also providing an RL10B-2 engine for the rocket's upper stage, which is called the Interim Cryogenic Propulsion Stage (ICPS).

The RL10B-2 produces 24,750 pounds of thrust and is the main propulsion once the rocket has reached outer space; it gives the Orion spacecraft the final boost to complete its mission around the Moon. Earlier this year, NASA delivered the completed ICPS to Cape Canaveral Air Force Station, Florida, in preparation for integration with the rocket.

"The propulsion for SLS is just one example of how all the pieces for Exploration Mission-1 are starting to come together. It is remarkable that our nation will soon debut this new capability that will enable humans to explore deep space," added Drake.

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Angola's First Satellite to Be Launched From Baikonur Spaceport Dec. 7
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Rocket and Space Corporation Energia's General Designer Yevgeniy Mikrin said that a Ukrainian-made Zenit carrier rocket, loaded with the AngoSat-1 satellite, built at Angola's request, will be launched from the Baikonur spaceport in Kazakhstan on December 7. Ukrainian-made Zenit carrier rocket, loaded with an AngoSat-1 satellite built at Angola's request will be launched from the Baikonur ... read more

Related Links
Aerojet Rocketdyne
Rocket Science News at Space-Travel.Com


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