Engineering:Sustainer engine
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Short description: Engines that remain on a rocket after rocket booster separation
![](/wiki/images/thumb/d/d7/STS-1_The_Shuttle%27s_Solid_Rocket_Boosters_break_away_from_Columbia%27s_External_Tank.jpg/250px-STS-1_The_Shuttle%27s_Solid_Rocket_Boosters_break_away_from_Columbia%27s_External_Tank.jpg)
After the two solid rocket boosters separate, the Space Shuttle's three Main Engines act as sustainers
A sustainer engine is a rocket engine which remains with a spacecraft during its ascent after booster engines have separated from the spacecraft.[1]
See also
References
![]() | Original source: https://en.wikipedia.org/wiki/Sustainer engine.
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