Author Topic: NASA and Roscosmos trying to avoid an empty Space Station  (Read 2351 times)

Offline Chris Bergin

FEATURE ARTICLE:  -

https://www.nasaspaceflight.com/2018/10/nasa-roscosmos-trying-avoid-empty-space-station/

- Superb work by Thomas Burghardt

Amazing envisioning of the Soyuz FG booster failure by Nathan Koga for NSF/L2.

https://twitter.com/TGMetsFan98/status/1052965095117078533
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Offline Rocket Science

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Re: NASA and Roscosmos trying to avoid an empty Space Station
« Reply #1 on: 10/18/2018 05:03 pm »
Great article Thomas and your renders Nathan make the long wait times to first flight less painful, thanks! :)
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Offline mn

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Re: NASA and Roscosmos trying to avoid an empty Space Station
« Reply #2 on: 10/18/2018 05:23 pm »
Thanks for the article, a couple of questions:

a: Where is Atlas V holding re Human Certification? (I'm sure this has been covered in one of the many thread I don't follow, so just point me in the right direction, ty).

b: You write that "SpaceX would also have to complete the Dragon in-flight abort test prior to putting crew aboard", I understand that the IFA was never required, did it become required once SpaceX committed to it?

Offline whitelancer64

Thanks for the article, a couple of questions:

a: Where is Atlas V holding re Human Certification? (I'm sure this has been covered in one of the many thread I don't follow, so just point me in the right direction, ty).

b: You write that "SpaceX would also have to complete the Dragon in-flight abort test prior to putting crew aboard", I understand that the IFA was never required, did it become required once SpaceX committed to it?

Yes, the voluntary milestones are still required milestones.
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Offline lrk

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Re: NASA and Roscosmos trying to avoid an empty Space Station
« Reply #4 on: 10/18/2018 06:41 pm »
Quote
Extended time on orbit means the Hydrogen Peroxide becomes decomposed into gaseous Oxygen and Hydrogen, which create bubbles within the liquid-fueled thrusters.

Correction: H2O2 decomposes into gaseous O2 and water, not gaseous Hydrogen. 

Offline fast

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Re: NASA and Roscosmos trying to avoid an empty Space Station
« Reply #5 on: 10/18/2018 06:56 pm »
DM-1can fly in december, after that nasa certify D2 to dock uncrewed ISS and than current ISS crew lands in the end of desember leaving station unoccupied untill next soyuz or DM-2 will bring next crew.

Offline FinalFrontier

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Re: NASA and Roscosmos trying to avoid an empty Space Station
« Reply #6 on: 10/18/2018 07:18 pm »
Thanks for the article really well done. With that said.

All we can really do is sit here and cross our fingers and wish NASA and Roscosmos luck on this one.
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Offline clongton

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Re: NASA and Roscosmos trying to avoid an empty Space Station
« Reply #7 on: 10/19/2018 12:02 am »
Awesome article Thomas. Thanks

AIUI, while the Falcon/Dragon IFA test IS still required (because SpaceX proposed it and NASA accepted), I don't think there is anything forbidding a schedule swap of DM-2 and the IFA but administrative procedure. I could have that wrong, in which case I would welcome correction.

Also didn't NASA state that the MS-09 lifetime expires on January 2, 2019? Your article says late December.
I would appreciate clarification of that.
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Offline FinalFrontier

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Re: NASA and Roscosmos trying to avoid an empty Space Station
« Reply #8 on: 10/19/2018 12:30 am »
Awesome article Thomas. Thanks

AIUI, while the Falcon/Dragon IFA test IS still required (because SpaceX proposed it and NASA accepted), I don't think there is anything forbidding a schedule swap of DM-2 and the IFA but administrative procedure. I could have that wrong, in which case I would welcome correction.

Also didn't NASA state that the MS-09 lifetime expires on January 2, 2019? Your article says late December.
I would appreciate clarification of that.
That's correct but both Admin Jim and Roscosmos have said they want to have them down in December, they don't want to use up all the margin.
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