Author Topic: MRM-1 for ISS  (Read 68481 times)

Offline Danderman

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MRM-1 for ISS
« on: 04/11/2007 08:53 PM »
This is a Russian module, planned for launch on Shuttle in 2010. Information about this module should be posted to this thread.

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See also - Shuttle Mission Article and Thread:

http://www.nasaspaceflight.com/2009/04/sts-132-prcb-baselines-mission-to-deliver-russias-mrm-1/

http://forum.nasaspaceflight.com/index.php?topic=16591.0
« Last Edit: 08/13/2009 04:25 PM by Chris Bergin »

Offline Danderman

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Re: MRM-1 for ISS
« Reply #1 on: 04/12/2007 04:18 PM »
I cannot say when a new chart will be available, but we know that MLM will dock with Zvezda nadir, not Zarya nadir.

Offline ShuttleDiscovery

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Re: MRM-1 for ISS
« Reply #2 on: 04/12/2007 06:07 PM »
Quote
Danderman - 12/4/2007  5:18 PM

I cannot say when a new chart will be available, but we know that MLM will dock with Zvezda nadir, not Zarya nadir.

Thanks Danderman. Does this mean that the RM will dock to the Zarya nadir instead of Zvezda nadir? :)


Offline Danderman

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Re: MRM-1 for ISS
« Reply #3 on: 04/12/2007 07:08 PM »

Quote
ShuttleDiscovery - 12/4/2007  11:07 AM  
Quote
Danderman - 12/4/2007  5:18 PM  I cannot say when a new chart will be available, but we know that MLM will dock with Zvezda nadir, not Zarya nadir.
 Thanks Danderman. Does this mean that the RM will dock to the Zarya nadir instead of Zvezda nadir? :)  

There is no Research Module, its dead. In its place, the Docking and Cargo Module will be transported by Shuttle to ISS, and moved by the station arm to FGB/Zarya nadir. That would leave a configuration with DCM at FGB Nadir, MLM at Zvezda nadir, and Pirs at Zvezda zenith, resulting in 4 total probe and cone ports available for Soyuz and Progress on the Russian segment.

 


Offline ShuttleDiscovery

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Re: MRM-1 for ISS
« Reply #4 on: 04/12/2007 07:19 PM »
Quote
Danderman - 12/4/2007  8:08 PM

Quote
ShuttleDiscovery - 12/4/2007  11:07 AM  
Quote
Danderman - 12/4/2007  5:18 PM  I cannot say when a new chart will be available, but we know that MLM will dock with Zvezda nadir, not Zarya nadir.
 Thanks Danderman. Does this mean that the RM will dock to the Zarya nadir instead of Zvezda nadir? :)  

There is no Research Module, its dead. In its place, the Docking and Cargo Module will be transported by Shuttle to ISS, and moved by the station arm to FGB/Zarya nadir. That would leave a configuration with DCM at FGB Nadir, MLM at Zvezda nadir, and Pirs at Zvezda zenith, resulting in 4 total probe and cone ports available for Soyuz and Progress on the Russian segment.


Thanks for your reply, I understand now!  Does anyone know if there are any pictures or graphics of this module available?

Thanks :)

Offline anik

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Re: MRM-1 for ISS
« Reply #5 on: 04/14/2007 06:25 PM »
New information from Sergey Shamsutdinov (one of editors of Russian "Novosti kosmonavtiki" magazine):

1. The Docking Cargo Module (DCM) will be built using the already made hull of the Science Power Module (NEM) - see image below...

2. DCM weight (without cargo) will be about 8-12 tonnes...

3. DCM will have two docking units: one - for docking (with helping of SSRMS) to the nadir port of Zarya module and one (not two, as I said earlier, I am sorry) - for docking of Soyuz TMA spacecraft...

4. DCM delivery in U.S. will be in June 2009, and its launch is planned aboard STS-131/ULF4 (i.e. before Node 3) in 2010...

Offline Danderman

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Re: MRM-1 for ISS
« Reply #6 on: 04/14/2007 09:21 PM »
The only remark I should make is that the SPP hull was/is a 2200 mm wide structure, whereas the image above shows a 2900 mm hull (at one point, Energia planned for a SPP based on the 2900 mm Enterprise structure, but this was never implemented).


Offline anik

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Re: MRM-1 for ISS
« Reply #7 on: 04/15/2007 08:45 AM »
Information from Novosti kosmonavtiki forum:

1. Soyuz TMA docking to the nadir port of Zarya module without DCM will be impossible after Node 3 delivery in STS-132/20A in 2010...

2. Cargoes from ELC3 and ELC4 will be installed onto DCM...

3. DCM will be relocated to the nadir port of Zarya module using SRMS and SSRMS...

Offline Analyst

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Re: MRM-1 for ISS
« Reply #8 on: 04/15/2007 10:05 AM »
What systems are carried inside DCM? 8 - 12 tonnes without payloads seems pretty massive for a 2.2m diameter, about 8m long "pressurized spacer". Or is the mass given above including the science power platform now no longer being there?

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Re: MRM-1 for ISS
« Reply #9 on: 04/15/2007 10:56 AM »
This is a major change of the Shuttle's schedule! Is this plan more or less set in stone? When will NASA aknowledge it?

Previously, in ULF-4 it was planned to carry two EXPRESS pallets and the remaining micro-meteoroidal debris panels for Zvevda... I suppose if DCM is going to fly on that flight, there won't be enough payload capacity for all that, so probably the EXPRESS won't be flying. Does that mean they're cancelled?
-DaviD-

Offline nacnud

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Re: MRM-1 for ISS
« Reply #10 on: 04/15/2007 10:57 AM »
Ok I'm confused, arn't the ELC payloads supposed to be large bulky items that are supposed to be stored out side of the station? How will placing them inside a module constrained on both ends by the smallest diameter docking system on the ISS help?

Placing them on the outside of the module may work though if there is enough room and mass allowance.

Offline Analyst

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Re: MRM-1 for ISS
« Reply #11 on: 04/15/2007 12:29 PM »
A few post above anik gives the answer.

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Offline nacnud

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Re: MRM-1 for ISS
« Reply #12 on: 04/15/2007 01:26 PM »
So he does, I read an onto as an into. My mistake.

Offline Olaf

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Re: MRM-1 for ISS
« Reply #13 on: 04/15/2007 05:46 PM »
Quote
anik - 14/4/2007  1:25 PM


3. DCM will have two docking units: one - for docking (with helping of SSRMS) to the nadir port of Zarya module and one (not two, as I said earlier, I am sorry) - for docking of Soyuz TMA spacecraft...


But this doesn´t increase the number of docking ports of the Russian segment of the ISS.

Offline Danderman

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Re: MRM-1 for ISS
« Reply #14 on: 04/15/2007 05:49 PM »

Quote
Olaf - 15/4/2007  10:46 AM  
Quote
anik - 14/4/2007  1:25 PM   3. DCM will have two docking units: one - for docking (with helping of SSRMS) to the nadir port of Zarya module and one (not two, as I said earlier, I am sorry) - for docking of Soyuz TMA spacecraft...  
 But this doesn´t increase the number of docking ports of the Russian segment of the ISS.

Let's put it this way, if Node 3 is installed, FGB Nadir becomes basically unusable, so DCM preserves a docking port for ISS. Note that when Pirs is relocated to Service Module zenith, a 4th probe and cone port will be available. 


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