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Lo, on the 1/29/2021, JF Mezei did proclaim ...
On 2021-01-29 23:10, Snidely wrote: The Raptor has 2200 kN thrust for the vacuum version, and is "only" throttle-able to 40% of that. But the steel cruise ship weights a lot so needs more fuel/thrust to land and then take off, and more fuel = more weight. Add to that the elevator, freight elevator and escalators needed from the top of the Starship to moon ground :-) On Earth (6x the lunar gravity), 1 Raptor is able to lift a substantial portion of that mass. It doesn't get up to lunar escape velocity down here, but I think you overestimate the stainless penalty in the lunar environment. /dps -- Rule #0: Don't be on fire. In case of fire, exit the building before tweeting about it. (Sighting reported by Adam F) |
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