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An acquaintance of mine who works in the industry (not at SpaceX) called Raptor a “scifi engine.” For a lot of purposes, Starship should make it extremely chea
by Robotbeat 5y ago
An acquaintance of mine who works in the industry (not at SpaceX) called Raptor a “scifi engine.”
For a lot of purposes, Starship should make it extremely cheap to send propellant from Earth. $10/kg in LEO. Cheaper than any lunar mining proposal I’ve seen.
That said, I hope we do make propellant off-Earth eventually.
- SEJeff 5y agoYeah if I remember correctly, I read that the solar panels required to ISRU make enough methane on Mars for a starship return flight would be two football fields worth and it would take them a few years to do it.
- Robotbeat 5y agoArea is just not a huge problem on Mars or in space in general. It’s not really a relevant figure of merit, unlike mass and pre-deployed volume