NASA Tests RS-25 Rocket Engine – The Engine to Mars

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By Rich Mitchell -

NASA conducted a 500-second test Thursday afternoon of an upgraded Aerojet Rocketdyne RS-25 rocket engine that will power future spaceflights on the Space Launch System (SLS.) The test was held at the John C. Stennis Space Center in Mississippi at the A-1 test stand. What is the RS-25 Rocket Engine RS-25 liquid-fueled rocket engines feature 4 turbopumps that push massive amounts of liquid hydrogen and liquid oxygen into the combustion chamber. These engines were used in shuttle missions and will be used on future NASA’s Space Launch System missions. The SLS has four RS-25 engines producing 512,000 lbs of thrust each and two solid rocket boosters (SRB) that produce 3.4 million pounds of thrust each while the space shuttle only used three RS-25s alongside two SRB’s. What is the SLS (Space Launch System) SLS is NASA’s next-generation launch vehicle utilizing the most powerful rocket currently available to put the Orion spacecraft into deep space. The SLS has a very different primary mission from the Space Shuttle missions that came before it. The Space Shuttle (STS) was designed for re-usability in orbital flight missions. While SLS can and will perform Earth orbit flights, it was designed for space exploration – chiefly, a manned …

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