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by rsynnott 19 days ago
Thing about N1 and starship is they have _loads_ of small engines; lots of complex plumbing and vibrations. Falcon 9 has a more sensible number.

On re-entry, Buran re-entered once. You can’t read much into that. The shuttle did about a hundred times, but exploded doing it once and had a number of near misses. One reason it was killed off was that making re-entry safe was considered to be impossible. I think it’d be fair to say that re-entry for large objects remains an unsolved problem.