"Venus would be a little trickier" lol
It's higher than any engine performance existing or proposed, right? Closest I can think of is the RD-192S
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I checked and the space shuttle main engines were considerably more efficient, different fuel blend though
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Oh wow I always looked at their sea level ISP. And yeah Hydrolox is a pain
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I think the idea is you could easy mine methane on Mars and get the fuel to come back
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Boiloff is also less of an issue. The ISP of methane is almost the same as hydrogen anyway
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