Soyuz TMA-11 lands 400km off course, Ballistic trajectory |
Soyuz TMA-11 lands 400km off course, Ballistic trajectory |
Apr 23 2008, 06:57 PM
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#16
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Member Group: Members Posts: 646 Joined: 23-December 05 From: Forest of Dean Member No.: 617 |
Spaceflight Now are reporting that the service/propulsion module may have failed to separate properly. Interesting... that's what happened to Soyuz 5. If the service module doesn't separate, the vehicle re-enters with the hatch facing forward and the heat shield backwards... I remembered reading this in Oberg's "Red Star in Orbit" and googling "soyuz hatch bulge smoke" found it pretty quickly. Probably best avoided if you've an over-active imagination; this image kept me awake more than a few nights, and has stayed with me for probably 20 years since reading it... http://www.jamesoberg.com/062002flightjournalsoyuz5.html : QUOTE Volynov [...] heard and felt the explosions of the equipment module's overheated fuel tanks, and from his seat, he watched the overhead exit hatch bulge inwards under the head-on blast of air. The rubber seal on the hatch began to smoke. As flames seared his cabin walls, he watched as smoke from the singed insulation filled the descent module... [Edit: the Spaceflight Now article James posted does actually mention S5 right at the end. ] -------------------- --
Viva software libre! |
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Apr 24 2008, 12:10 AM
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#17
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Merciless Robot Group: Admin Posts: 8785 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
Man, what a harrowing story!!! Thanks for posting that link.
I'm amazed that Volynov ever slept again...talk about PTSD... -------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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Apr 24 2008, 12:24 AM
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#18
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Member Group: Members Posts: 753 Joined: 23-October 04 From: Greensboro, NC USA Member No.: 103 |
It looks like they had a pretty hefty bounce when they landed, too. Check out the impact crater and how far the capsule is lying away from it.
And look how charred - and cracked - the front end of the capsule is: The full-res images are on the Expedition 16 page here. -------------------- Jonathan Ward
Manning the LCC at http://www.apollolaunchcontrol.com |
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Apr 24 2008, 01:43 AM
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#19
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Member Group: Members Posts: 160 Joined: 4-July 05 From: Huntington Beach, CA, USA Member No.: 429 |
To make things more interesting, local farmers were burning grass in the area: http://www.spaceref.com/news/viewnews.html?id=1284
I just hope everybody kept their teeth this time. |
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Apr 24 2008, 01:51 AM
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#20
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Member Group: Members Posts: 753 Joined: 23-October 04 From: Greensboro, NC USA Member No.: 103 |
I think the Soyuz is at the lower right of this picture.
-------------------- Jonathan Ward
Manning the LCC at http://www.apollolaunchcontrol.com |
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Guest_Oersted_* |
May 7 2008, 08:37 PM
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#21
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Guests |
New, excellent Jim Oberg write-up on the descent and landing:
http://www.spectrum.ieee.org/may08/6229 |
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May 7 2008, 08:53 PM
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#22
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Member Group: Members Posts: 753 Joined: 23-October 04 From: Greensboro, NC USA Member No.: 103 |
From the article cited,
"In addition, Yi So-yeon, the South Korean flight participant, reported in interviews in Seoul that the final ground impact was not vertical but sideways, causing many heavy baggage items to break free from restraints and hit her." Looking at the dirt stuck to the rear portion of the descent module (where the heat shield is before being ejected) it does appear that the Soyuz impacted vertically and then bounced, landing on its side. Glad I wasn't on that ride. -------------------- Jonathan Ward
Manning the LCC at http://www.apollolaunchcontrol.com |
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May 7 2008, 11:52 PM
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#23
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Merciless Robot Group: Admin Posts: 8785 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
Lots of good (pardon the expression) stuff in that article; nobody does it like Oberg.
That attitude thruster burnout is particularly interesting; I wonder if anyone's ever tested their endurance for continuous firing? May suggest that the instrument-service module stayed attached for quite aways down. -------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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May 8 2008, 03:21 AM
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#24
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Member Group: Members Posts: 753 Joined: 23-October 04 From: Greensboro, NC USA Member No.: 103 |
Here's the close-up of the attitude thruster from the above photo. That's what you'd call "not your typical wear and tear."
-------------------- Jonathan Ward
Manning the LCC at http://www.apollolaunchcontrol.com |
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May 8 2008, 03:09 PM
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#25
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Member Group: Members Posts: 903 Joined: 30-January 05 Member No.: 162 |
Ghastly to contemplate how close this mission came to being eligible for discussion here in the main fora . . .
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May 9 2008, 12:33 PM
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#26
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Senior Member Group: Members Posts: 2922 Joined: 14-February 06 From: Very close to the Pyrénées Mountains (France) Member No.: 682 |
It looks like they had a pretty hefty bounce when they landed, too. ...and Peggy Witson commented she was not even sure they've bounced! 192 days in space could fool your internal references, don't they ? -------------------- |
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May 9 2008, 06:47 PM
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#27
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Member Group: Members Posts: 753 Joined: 23-October 04 From: Greensboro, NC USA Member No.: 103 |
Yi So-yeon's comment that "many heavy baggage items [broke] free from restraints and hit her" on impact - "Be careful when opening the overhead bins, as contents may have shifted during the flight." I know, doesn't sound so funny if you're the one being hit!
-------------------- Jonathan Ward
Manning the LCC at http://www.apollolaunchcontrol.com |
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May 13 2008, 01:48 AM
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#28
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Merciless Robot Group: Admin Posts: 8785 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
192 days in space could fool your internal references, don't they ? Yeah...that, or one hell of a sudden smack that leaves you wondering where you're at & trying to remember your own name for a few seconds... This was beyond hairy. -------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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Jun 5 2008, 04:00 PM
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#29
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Member Group: Members Posts: 124 Joined: 23-March 06 Member No.: 723 |
Glad I wasn't on that ride. I think many of us would gladly take the trip into space regardless of the risks, from what I've understood about Soyuz over its years of service - although the design is old its a lot more robust than other craft. For example do you think Shuttle would have been able to survive such a trip without a very serious incident occurring. I hope they are also able to build the new CEV hardy enough to survive entries which are less than nominal |
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