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|    sci.space.policy    |    Discussions about space policy    |    106,651 messages    |
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|    Message 105,283 of 106,651    |
|    David Spain to All    |
|    SN11 - One hop wonder    |
|    30 Mar 21 10:06:08    |
      From: nospam@127.0.0.1              It goeth, it cometh, it go bloeyth.              Well put it this way, we saw a lot of mist, some fire behind this mist,       some short video feeds from SpaceX showing three, then two, then one       Raptor firing. Then none. Some belly flop video, Then perhaps a relight       but then video froze. Shortly thereafter NasaSpaceFlight ground       equipment picked up a tremendous boom and some evidence of debris       flying. Because of the foggy conditions this will likely be the hardest       test flight to piece together what happened from video alone. Will have       to wait for SpaceX analysis of the telemetry.              Next up BN1? The next Starship is SN-15. So far the trials have shown       some progress but I can't help but feel SN-11 was a set back, since it       didn't appear to get even as far as SN-10. What I'm more concerned about       is what SpaceX plans are post SN-15? They are going to have to build       more Starship prototypes obviously until they can routinely stick the       landing post belly flop maneuver. That is the goal here. I haven't seen       any evidence that SpaceX plans to deviate from the plan of a fully       reusable Starship. If this was their *first* rocket prototypes, ala       Falcon 1, it might be a different story. In order to generate revenue it       might have been a two-track plan. One for expendable and one for       recoverable as we saw with Falcon 9. But with F9 generating revenue, an       expendable Starship isn't necessary.              But seems to me they need to keep cranking out the Starship hardware       until they stick at least two or three landings, preferably in sequence.              Also I remain somewhat concerned about the plumbing of a methalox       rocket. The SpaceX video upon ascent shows what appear to be some       evidence of small methane leaks around the firing Raptors. New fuel, new       headaches. I'm not convinced they have all the kinks dealing with       methane propellant worked out yet. Which is to be expected given the       novel fuel.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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