• Starliner and Dragon

    From Alain Fournier@21:1/5 to All on Wed Jun 5 19:34:56 2024
    The US now has two independent launch systems to ferry astronauts
    between Earth and LEO. If one of the two must be grounded, the other one
    can step up to replace it. Is this the first time this has happened?


    Alain Fournier

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  • From Torbjorn Lindgren@21:1/5 to alain245@videotron.ca on Thu Jun 6 13:43:17 2024
    Alain Fournier <alain245@videotron.ca> wrote:
    The US now has two independent launch systems to ferry astronauts
    between Earth and LEO.

    Given that the hydrogen leak is back and getting worse I think we need
    to wait quite a bit more before we know if it'll be "operational" at
    the end but I consider that relatively unlikely at this point.

    Now, it also seems unlikely to get bad enough to require emergency
    measure like stranding the austronauts up there until another
    (Dragon?) capsule can be sent up but I do expect Starline system will
    be grounded for a while after the landing.

    I expect that Boeing will be required to figure out what went wrong
    and propose out a set of remedial actions, get NASA (and possibly FAA)
    approval for them and then apply them - similar to how SpaceX has
    worked on Starship & SuperHeavy.

    At which point Starliner either finally become operational OR Boeing
    need to do yet another test flight if the changes are big enough - I
    doubt this will happen but it's *possible*.


    If one of the two must be grounded, the other one can step up to
    replace it.

    That sounds more like 2025 and 2024...

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  • From Alain Fournier@21:1/5 to Torbjorn Lindgren on Thu Jun 6 12:57:50 2024
    On 2024-06-06 9:43 a.m., Torbjorn Lindgren wrote:
    Alain Fournier <alain245@videotron.ca> wrote:
    The US now has two independent launch systems to ferry astronauts
    between Earth and LEO.

    Given that the hydrogen leak is back and getting worse I think we need
    to wait quite a bit more before we know if it'll be "operational" at
    the end but I consider that relatively unlikely at this point.

    Now, it also seems unlikely to get bad enough to require emergency
    measure like stranding the austronauts up there until another
    (Dragon?) capsule can be sent up but I do expect Starline system will
    be grounded for a while after the landing.

    I expect that Boeing will be required to figure out what went wrong
    and propose out a set of remedial actions, get NASA (and possibly FAA) approval for them and then apply them - similar to how SpaceX has
    worked on Starship & SuperHeavy.

    At which point Starliner either finally become operational OR Boeing
    need to do yet another test flight if the changes are big enough - I
    doubt this will happen but it's *possible*.


    If one of the two must be grounded, the other one can step up to
    replace it.

    That sounds more like 2025 and 2024...

    It is kind of happening now. Starliner is not yet declared operational.
    Dragon is there to take up the Starliner rides.


    Alain Fournier

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