I defer to http://www.astronautix.com/h/hg-3.html A development of the J-2 using... | Hacker News

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cratermoon on Sept 11, 2023 | parent | context | favorite | on: NASA finally admits what everyone already knows: S...

I defer to http://www.astronautix.com/h/hg-3.html

A development of the J-2 using a high-performance high-pressure chamber engine. "Technology led to Space Shuttle Main Engines".

Edit to add: "In essence, the HG-3 concept eventually became the space shuttle main engine."

https://web.archive.org/web/20051115064042/http://history.ms...

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