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A comment on SpaceX is now building a Raptor engine a day, NASA says. Parent comment

Re:SpaceX is now building a Raptor engine a day, NASA says by bryanlarsen on Wednesday November 02, 2022 @02:15PM (#33440462)
Past Jupiter hydrolox is unusable because of boil-off issues. The best option past Jupiter is nuclear electric, aka ion propulsion.

If you need both thrust & efficiency, a large number of ion thrusters is often a good option.

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