this post was submitted on 30 Nov 2025
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Nope, because you can't use PVC for piping steam. You're going to need to use metal pipe. Iron pipe is the cheapest bet but it's such a pain to work with. Personally I'd run copper. I think that's to code for low pressure steam anyways.
Wait, if it's going into space then whos building codes are we using?
pump ammonia! Can evaporate at PVC compatible temperature.
A very minor problem with this scheme is the mile thickness insulation needed to not lose much of the sun's heat to space, on the trip back. A 2nd minor problem is the actual pipe section close to the sun.
Psh. Codes are for wussies.