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Today we're looking at how the regenerative cooling channels on Space Shuttle's main combustion chamber were manufactured. They used a combination of conventional machining with electroplating, in a really clever technique to mimic what we can do with 3D printing nowadays.
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📚 Sources! So many sources! 🥵
Everyday Astronaut Rocket cooling: https://www.youtube.com/watch?v=he_BL6Q5u1Y (https://everydayastronaut.com/engine-cooling-methodes/)
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Akpati, Anthony U. "SSME Main Combustion Chamber (MCC)'hot Oil'Dewaxing." _Aerospace Environmental Technology Conference_. No. NASA-CR-202079. 1994. https://ntrs.nasa.gov/api/citations/19960049712/downloads/19960049712.pdf
"Electroplating offers embrittlement protection" https://ntrs.nasa.gov/citations/19790000140
Rocket Science - The success story of Ariane 5 (Pt 1) | Full Documentary https://youtu.be/RwlA-HcQExA
NASA ‘Smart Manufacturing’ Updates, Tests Engine Part To Reduce Costs. https://www.nasa.gov/exploration/systems/sls/smart-manufacturing-updates-tests-engine-part-to-reduce-costs
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Ellis, David L., and Gary M. Michal. _Mechanical and thermal properties of two Cu-Cr-Nb alloys and NARloy-Z_. No. NASA-CR-198529. 1996. https://ntrs.nasa.gov/citations/19970002915
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Lee, Jonathan A., and Stephen Woods. "Hydrogen embrittlement." (2016). https://ntrs.nasa.gov/api/citations/20160005654/downloads/20160005654.pdf