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  • #235 ddekany nagyúr
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    ddekany

    nagyúr

    Akinek nincs ideje munka helyett végig nézni, itt a TLDR-je a videónak (ja, akkor az TLDW?)
    "Elon Musk details SpaceX’s current analysis on Starship’s Integrated Flight Test": [link]

    És itt a TLDR-TLDR tőlem:

    The 3 engines "didn't explode," but just were not "healthy enough to bring them to full thrust so they were shut down"

    Starship sliding laterally off the launchpad was "because of the engine failures." <-- :Y Mi van ha a torony felé csúszik?

    engines on Booster 7 were built over a long period of time, so each engine was a little bit of a unique item. [...] engines on Booster 9 [...] are much newer and more consistent

    At T+27 seconds, SpaceX lost communications [with one of the engines] due to "some kind of energy event." And "some kind of explosion happened to knock out the heat shields of engines 17, 18, 19, or 20."

    Lost thrust vector control at T+85 seconds

    AFTS taking 40 seconds means actual detonation at T+3:59 was triggered at T+3:19.

    "one of the more plausible explanations is that ... we may have compressed the sand underneath the concrete to such a degree that the concrete effectively bent and then cracked," which is "a leading theory."

    Reason for going with a steel plate instead of a flame trench is that for payloads in the rocket, the worse acoustic environment doesn't matter to the payload since it's about 400 feet away.

    Big thing for next Starship launch is "insuring that we don't lose thrust vector control" with Booster 9."

    For the next flight, "we're going to start the engines faster and get off the pad faster." From engine start to moving Starship "was around 5 seconds [...] blasting the pad." Going to try to cut that time in half.

    "Going to be replacing a bunch of the tanks in the tank farm"

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