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Water yes, but I haven't seen anything about CO2 so I think you're stuck with hydrogen-oxygen engines (which have different tradeoffs than methane-oxygen engine
by maccam94 5y ago
Water yes, but I haven't seen anything about CO2 so I think you're stuck with hydrogen-oxygen engines (which have different tradeoffs than methane-oxygen engines).
https://everydayastronaut.com/raptor-engine/ https://everydayastronaut.com/raptor-engine/ (scroll down to the text immediately above the RP1/Methane/Hydrogen chart)
- rbanffy 5y agoThere is a lot of oxygen on the Moon (combined with silicon and aluminum), but carbon is not readily available, so it'd be more favorable to hydrolox engines.