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ROCKET SCIENCE
Aerojet Rocketdyne's RS-25 Flight Controller Goes Three for Three in SLS Test
by Staff Writers
Stennis Space Center MS (SPX) Jul 27, 2017


Four RS-25 engines power the core stage of the SLS for 8.5 minutes to help the SLS during its climb to space; combined, the engines provide the rocket with more than two million pounds of thrust.

Aerojet Rocketdynehas tested its third RS-25 engine flight controller at NASA's Stennis Space Center in Mississippi.

The RS-25 engine will propel America's next-generation heavy lift rocket, the Space Launch System (SLS), into space.

The flight controller tested is slated to fly on the inaugural mission of the SLS which will propel the Orion capsule around the Moon and safely return it back to Earth.

"The Space Launch System is the rocket that will take humans beyond the Moon, and ultimately to Mars," said Aerojet Rocketdyne CEO and President Eileen Drake.

"Evaluating the engine's flight controller under multiple conditions is one way we are ensuring that we are providing a safe, reliable engine to the nation for its deep space exploration efforts."

The flight controller translates the vehicle's commands into action while monitoring the health of the engine by making real-time adjustments to the speed of the turbopumps, combustion pressures, as well as the engine's thrust and propellant mixture ratios. Today's test focused on the engine thrust and mixture ratio precision operation.

"Achieving the optimum thrust and mixture ratio is crucial for creating an extremely efficient rocket engine," added Dan Adamski, RS-25 program director at Aerojet Rocketdyne.

"The RS-25 is the most efficient booster engine in the world, which is why it is the right engine for human exploration of deep space."

Four RS-25 engines power the core stage of the SLS for 8.5 minutes to help the SLS during its climb to space; combined, the engines provide the rocket with more than two million pounds of thrust.

The SLS rocket provides an unmatched capability to launch the heaviest and largest payloads faster to any destination when compared with other existing or proposed launch vehicles in development, making it the ideal rocket to explore deep space.

ROCKET SCIENCE
Russia to Supply Largest Ever Number of Space Rocket Engines to US This Year
Zhukovskiy (Sputnik) Jul 21, 2017
Russia will supply the largest ever number of space rocket engines to the United States in 2017 within the framework of the previous agreements, head of the Russia's NPO Energomash corporation Igor Arbuzov said on Wednesday. In 2014, the US Congress strictly limited future purchases of Russian RD-180 engines used in Atlas launch vehicles since 2000 at a time when it imposed economic sancti ... read more

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

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