Manned Soyuz rocket abort

Discussion in 'science, nature and environment' started by Crispy, Oct 11, 2018.

  1. Crispy

    Crispy The following psytrance is baṉned: All

    Events ongoing. Two astronauts on board were meant to be headed to the space station. But instead, the 2nd stage of their Soyuz rocket failed and they are now in a "ballistic abort" ie, flying through the upper atmosphere with no engines, getting ready to come down under parachutes.
    Last edited: Oct 11, 2018
  2. Crispy

    Crispy The following psytrance is baṉned: All


  3. Crispy

    Crispy The following psytrance is baṉned: All

    Update: The crew are on the ground, alive. Rescue teams en-route
  4. StoneRoad

    StoneRoad heckling from the back!

    Phew !
    That was worrying for a while ...
  5. TheHoodedClaw

    TheHoodedClaw acknowledging ur soup leg

    This sounds hopeful

    Limejuice likes this.
  6. Limejuice

    Limejuice Well-Known Member

    Nasa TV said rescue helicopters were en route, and expected to reach the capsule in 1.5 hours.
  7. TheHoodedClaw

    TheHoodedClaw acknowledging ur soup leg

    Nasa TV reports that the crew have landed, are in communication and are in good condition. Phew.
    editor likes this.
  8. Crispy

    Crispy The following psytrance is baṉned: All

    Another symptom of the sad slow death of Russia's space program :(
    TheHoodedClaw and editor like this.
  9. mrs quoad

    mrs quoad Well-Known Member

    They should get their spies working on it.
  10. DownwardDog

    DownwardDog Riding a Brompton with a power meter.

    It's only been kept on life support by the NASA money. Once that ends in the next few years, it's over.
    TheHoodedClaw and A380 like this.
  11. 2hats


    20km east of Dzhezkzagan. It’s a vast empty plain. Even under a standard re-entry profile the recovery forces can take an hour or more to reach them.
  12. Crispy

    Crispy The following psytrance is baṉned: All

    Oh, and this will probably lead to the first break in continuous human habitation of space in nearly 18 years :( - ISS is currently down to 3 crew (3 departed a week ago) and their own Soyuz has a limited safe lifetime in orbit.
  13. TheHoodedClaw

    TheHoodedClaw acknowledging ur soup leg

    I wonder how long the ISS will remain viable without constant maintenance :(
  14. Crispy

    Crispy The following psytrance is baṉned: All

    They have procedures mapped out for de/re-crewing so the station will be ok.

    Commercial Crew tests start next year (Boeing and SpaceX capsules) but the test flights of those capsules require that the ISS be crewed during approach!
  15. Crispy

    Crispy The following psytrance is baṉned: All

    Crew got themselves out of the capsule (so they can't be badly injured) and have been picked up by search&rescue.
    A380 and dylanredefined like this.
  16. 2hats


    Interesting to note the Roscosmos video feed ran a precomputed ascent animation graphic and wasn’t fed with live state vectors (eventually they gave up and cut it several minutes into the abort). Similarly the Roscosmos twitter account appears to have been merrily tweeting away ascent milestones long after the standard ascent profile was deviated from. Also interesting to see the crew commenting on how they were unexpectedly weightless only a couple of minutes into the ascent when they should have felt it settling around 2.5g.
    Last edited: Oct 11, 2018
  17. T & P

    T & P |-o-| (-o-) |-o-|

    Their next-gen ICBM program however seems to be in rude health...
  18. TheHoodedClaw

    TheHoodedClaw acknowledging ur soup leg

    The pair of them look pretty chill

    SpookyFrank likes this.
  19. Mrs D

    Mrs D . Banned

    Don't believe everything Alex Salmond says on RT.
  20. weltweit

    weltweit Well-Known Member

    Well, this is rocket science :)
    A380 likes this.
  21. dylanredefined

    dylanredefined Not a house elf a tiger

    more like rocket engineering tbh Soyuz is proven rocket technology.
    T & P and A380 like this.
  22. T & P

    T & P |-o-| (-o-) |-o-|

    Come to think of it, could this be the first launch abort escape capsule event in history? Plenty of launch aborts before lift off over the years, and I might be right in saying escape modules attached to a space station have been used before. But I don't recall the escape capsule coming into use during a rocket launch before on any missions...
  23. Signal 11

    Signal 11 also programmed for conversational english

    Soyuz 7K-T No.39 - Wikipedia
    T & P likes this.
  24. T & P

    T & P |-o-| (-o-) |-o-|

    Cheers. Highly interesting read, that. 21g's during the descent and then rolling downhill on a snow covered mountain after landing :eek:
  25. 2hats


    Beginning to look suspiciously like a failure at staging (first->second ie strap-on booster separation from the core); some manner of pyrotechnic failure of one of the boosters leading to impact or fragmentation damage of the still firing second stage (what would appear to be additional anomalous elements are just about visible post-separation on the ascent video).
  26. Supine

    Supine Rough Like Badger

    Bad day at the office! Very glad the astronauts are OK :thumbs:
  27. Crispy

    Crispy The following psytrance is baṉned: All

    Although strictly speaking that was an "abort mode" using the spacecraft's main engines, not a dedicated Launch Escape System. Under that narrow definition, today's was the first.
    electroplated likes this.
  28. Signal 11

    Signal 11 also programmed for conversational english

    I thought it was the same today, e.g. "This was something like six seconds after the escape tower was jettisoned" (BREAKING: Soyuz rocket failure after launch forces emergency landing; crew safe on the ground)

    e2a: looking at the video it looks about the same time though so they might have just been seeing it firing. :confused:
    Last edited: Oct 11, 2018
  29. 2hats


    There are two escape systems. The main escape rocket had already separated (only needed during the first stage). This abort was performed by the RDG motors on the payload fairing (sufficient to separate the Soyuz capsule during the second stage).

    Interfax are reporting that the impact of the first-stage booster caused the rupture of a propellant tank on the second stage and subsequent loss of attitude control of the stack. (The excessive angular velocity will have triggered the RDG motors.)

    e2a: failure of one of the boosters to separate on time was apparently captured by an on board imaging system.
    Last edited: Oct 12, 2018
    Signal 11 likes this.

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