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|    Message 105,858 of 106,651    |
|    pnn calmagorod to All    |
|    Re: Testing of quick disconnects    |
|    12 Sep 22 01:18:16    |
      From: calmagorod@gmail.com              Il giorno sabato 10 settembre 2022 alle 18:21:39 UTC+2 JF Mezei ha scritto:       > Not sure if there is anoyone left in the group, but just in case.       >       > Consideirng SLS has been in development for over 10 years, considering       > they already had quick disconnect experience for H2 refueling on       > Shuttle, I am curous on what constraints would have prevented them from       > developping a reliable H2 fill line quick disconnect for SLS ?       >       > I take it that they can't test it at VAB because they don't have LH2       > lines there. (and leaking H2 indoors, not a great idea).       >       > But when this quick disconnect was designed, wouldn't it have had some       > real testing with LH2 to ensure it works well and that any limitations       > and maintenance requiremenmts (eg: change rubber seals every X refills)       > would be well known.       >       >       > And considering the number of tests they did of this rocket, how come       > this quick disconnect problem didn't get noticed before ?                     Nothing will never colonized by roketry       It is a physical law,       Continue till to the disaster              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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