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Chance_Bluebird_5788 t1_iybnytn wrote

Reply to comment by cannabisized in Japan successfully uses steam to propel Moon spacecraft by yourSAS

I thought that water was useful because it allows you to obtain H and O separately by electrolysis, then combine them for a powerful chemical reaction. Maybe that's what they're doing here and just not being clear about it. The way it's described it sounds like they're just heating up and expelling gaseous water which doesn't make a lot of sense to me, though I'm not an actual rocket scientist

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cannabisized t1_iybog1y wrote

they called it a "water propellant propulsion system" so I would assume it's just a very scientific way of say they boiled water and directed the steam out to aim themselves along

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