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Questions regarding the boosters or thrusters used to propel man-made objects. For rockets firing opposite the primaries, see [retrorockets]. See wiki for other related tags.

8 votes
2 answers
903 views

Is engine thrust noticeably increased near the ground?

I know next to nothing about rocketry and space flight. I assume that the majority of the force generated by a rocket's engine is simply the result of throwing gasses out of the bottom very fast, and …
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