RL-10 engine RL-10 engine, 1962

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National Air and Space Museum, Smithsonian Institution
© The Board of Trustees of the Science Museum

RL-10 engine, 1962
Science Museum Group Collection
© The Board of Trustees of the Science Museum

RL-10 engine, 1962.

First flown in 1963, this workhorse engine has sent spacecraft to every planet in the Solar System. Since then, more than 500 RL10 engines have flown to space. RL10 engines boosted Voyager 1 and 2 in the 1970s, now the first spacecraft to travel beyond the Solar System. It is fueled using liquid hydrogen and oxygen, one of the first engines to successfully do so. An updated version of this engine, RL10X, is used in the upper stage of NASA’s Space Launch System heavy-lift rocket as part of the Artemis programme, taking humans back to the Moon for the first time since 1972.

Details

Category:
Space Technology
Object Number:
1986-974
Materials:
stainless steel, silver (alloy), aluminium (metal), nickel plated and electrical components
Measurements:
overall: 1778 mm 990.6 mm,
type:
engine -power producing equipment
credit:
Lent by the Smithsonian National Air and Space Museum, Washington, DC