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    • CommentAuthorkorkskrew
    • CommentTimeMar 30th 2021 edited
     
    Looks like it blew up in the air this time. Elon Musk tweeted that one of the engines had a problem getting to full pressure just before it went quiet. No video due to dense fog at the time of the flight.

    ETA: The failure occurred during the landing maneuver.
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      CommentAuthorgoatcheez
    • CommentTimeMar 30th 2021
     
    SpaceX "exciting" test of SN11 video: https://youtu.be/gjCSJIAKEPM
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      CommentAuthorAngus
    • CommentTimeMar 30th 2021 edited
     
    I wonder how practical it is to have a big set of rudders at the other end from the engines. At zero speed the rudders are useless for intentional attitude control but give a great opportunity for the wind to take over. I imagine they can exert more torque than the engine steering could compensate.

    Anyway - when will it be time to rethink the whole thing?
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      CommentAuthorgoatcheez
    • CommentTimeMar 30th 2021
     
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      CommentAuthoraber0der
    • CommentTimeMar 30th 2021
     
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      CommentAuthoraber0der
    • CommentTimeMar 30th 2021
     
    Posted By: AngusAnyway - when will it be time to rethink the whole thing?

    Hopefully never and always.
    • CommentAuthorBigOilRep
    • CommentTimeMar 30th 2021
     
    Posted By: AngusAnyway - when will it be time to rethink the whole thing?

    Before they get to mars, presumably.
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      CommentAuthoraber0der
    • CommentTimeMar 30th 2021 edited
     
    Herr Musk had this to say:
    "At least the crater is in the right place!"
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      CommentAuthoraber0der
    • CommentTimeMar 30th 2021
     
    ...and:
    "Looks like engine 2 had issues on ascent & didn’t reach operating chamber pressure during landing burn, but, in theory, it wasn’t needed.

    Something significant happened shortly after landing burn start. Should know what it was once we can examine the bits later today."

    Rocketry requires patience. And patients. And craters.
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      CommentAuthoraber0der
    • CommentTimeMar 30th 2021
     
    From what I didn't see, the SN11 smashed into the pad at almost full speed-aero.
    •  
      CommentAuthoraber0der
    • CommentTimeMar 30th 2021
     
    ...and:

    "SN15 rolls to launch pad in a few days. It has hundreds of design improvements across structures, avionics/software & engine.

    Hopefully, one of those improvements covers this problem. If not, then retrofit will add a few more days."
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      CommentAuthoraber0der
    • CommentTimeMar 30th 2021
     
    Smashing until stickery.
  1.  
    Well, maybe they will at least learn to have their launch failures fully visible so their rocketeers can see what went wrong. Launching in fog was not a good decision. It may not have contributed directly to the failure but it certainly will complicate the analysis.
    • CommentAuthorkorkskrew
    • CommentTimeMar 30th 2021
     
    I can't imagine why. They know it was on target until it blew up, and they had cameras in the engine bay, though I don't think there's any useful data to get from them. They already have an idea of what went wrong from the telemetry, and I'm sure the analysis will proceed just as it would without fog. I don't know what the fog would have to do with anything other than the spectators.
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      CommentAuthoraber0der
    • CommentTimeMar 30th 2021
     
    Fog in the hen-house slows down egg collecting.
    •  
      CommentAuthoraber0der
    • CommentTimeMar 30th 2021 edited
     
    Some people* say that the FTS misfired.

    *I
    •  
      CommentAuthorgoatcheez
    • CommentTimeMar 30th 2021 edited
     
    SN15 under construction in Midbay with nextgen improvements.

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      CommentAuthorgoatcheez
    • CommentTimeMar 30th 2021 edited
     
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      CommentAuthoraber0der
    • CommentTimeMar 30th 2021 edited
     
    Shiny, but...

    Posted By: goatcheezSpeaking of nextgen, Branson's puppy



    https://www.cnbc.com/2021/03/30/virgin-galactic-unveils-vss-imagine-the-first-of-spaceship-iii-series.html


    Shiny, but...
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      CommentAuthoraber0der
    • CommentTimeMar 30th 2021 edited
     
    ...if you add 100% of 50% luma in (image editing software's latest fad) it almost looks like a texanian Starship Earthhog padplowing device.