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Space

Aerojet Rocketdyne Completes RS-25 Hot-Fire Test With New Controller

Pat Host

Monday, January 12th, 2015

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Aerojet Rocketdyne Completes RS-25 Hot-Fire Test With New Controller

NASA hot tests a RS-25 engine Jan. 9 at NASA Stennis Space Center, Miss.. Photo: NASA>

Aerojet Rocketdyne successfully completed the first in a series of hot-fire tests on the RS-25 engine, which will be used on NASA’s Space Launch System (SLS), according to a company statement.The company said the test, conducted at NASA’s Stennis Space Center, Miss., demonstrated the ability of the engine’s new computer to control the engine, from fuel-mixture ratios to power levels and performance. The RS-25 is formerly known as the Space Shuttle Main Engine (SSME). The controller on the SSME served…

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