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#800
by
Danderman
on 21 Mar, 2013 02:21
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What is this white thing ??
http://www.energia.ru/ru/news/news-2013/news_03-18.html
It is a Block DM in the KIS. It looks small due to the perspective of the view.
In this photo and the previous in the series, people are looking up at something in the KIS, but that something is not the Block-DM. There used to be a shuttle in the KIS that people would look up at, but it is gone. So, there is something interesting in the KIS that is quite tall.
BTW, the greenish object in the back of the photo would be the MLM.
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#801
by
Galactic Penguin SST
on 14 Apr, 2013 02:34
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What is the maximum power generated by the solar panels on the current Soyuz spacecraft? I can't find the figure anywhere in the documents I have (including those one L2!)...
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#802
by
Danderman
on 14 Apr, 2013 12:04
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What is the maximum power generated by the solar panels on the current Soyuz spacecraft? I can't find the figure anywhere in the documents I have (including those one L2!)...
The generally accepted figure has been a max of 1,000 watts. However, the panels were recently upgraded.
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#803
by
trothamel
on 20 Apr, 2013 15:52
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What orientation is the Soyuz in when it separates into the three modules before re-entry?
Watching video of the re-entry taken from the ISS, it looks like the descent module winds up ahead of the orbital and propulsion-instrumentation modules. I was wondering how this occurred while avoiding recontact.
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#804
by
Danderman
on 20 Apr, 2013 16:13
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What orientation is the Soyuz in when it separates into the three modules before re-entry?
Watching video of the re-entry taken from the ISS, it looks like the descent module winds up ahead of the orbital and propulsion-instrumentation modules. I was wondering how this occurred while avoiding recontact.
The Soyuz attitude is perpendicular to the flight path at separation. That means that the three modules follow the same flight path, but the OM is "lower" and the PAO is "higher" in relation to the descent module. After aerodynamic forces are felt, the descent module effectively flies away from the other modules.
Relative separation velocity for the modules is a good fraction of a meter per second, so after 30 seconds or so, the modules are some distance from each other.
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#805
by
Stan Black
on 30 Apr, 2013 20:41
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I was surprised to see that there's a Zenit-derived return capsule at the Museum of Flight in Seattle: the one of the Resurs 500, which flew in orbit for 7 days in 1992. Apparently it does not carry cameras (or does it? Does anybody knows?).
I would like to see if someone got detailed pictures of the inside and exterior of the capsule during a visit.
Resurs-500 was nothing more than a publicity stunt. The spacecraft contained nothing useful, just trunkets to give to the Americans, it intentionally splashed down, was recovery by the Americans and the flight was declared a success.
This plaquette at the museum flight (http://coolnewz.info/wp-content/uploads/2011/10/13_resurs-500.jpg) tells, that it was of the Resurs-F1 (14F43) type. If this is true, ther should have been cameras. My impression was , that it was a standard Resurs-F1 mission flown with additional stuff as a public relations mission.
I would really like to see a pre-launch photo of Resurs-500
It says 17F41?
http://www.flickr.com/photos/chrysophylax/200700694/sizes/o/in/photostream/http://www.flickr.com/photos/mhammergren/336575093/in/photostream/
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#806
by
Phillip Clark
on 02 May, 2013 16:31
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On the other hand, Resurs-500 could simply have taken the spacecraft shell from an unused Resurs-F1 - that is, without its camera system - and filled with trivia and junk to be sold in the USA. That would make more sense that there being a photographic component of the Resurs-500 mission.
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#807
by
Stan Black
on 02 May, 2013 20:04
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On the other hand, Resurs-500 could simply have taken the spacecraft shell from an unused Resurs-F1 - that is, without its camera system - and filled with trivia and junk to be sold in the USA. That would make more sense that there being a photographic component of the Resurs-500 mission.
Thing is there are gaps in Resurs-F sequence, but no gaps in the 17F41. Nor is there any apparent spares rockets.
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#808
by
Remes
on 25 May, 2013 22:29
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What are the marked parts in picture 1 used for?
I assume the parts can be extracted by pyrotechnic actuators. But the shroud is jettisoned when nearly no air is present, so it wouldn't make any difference if they extracted (e.g. to support the shroud separation process).
In the (last) picture from the video the shroud is jettisoned and the marked parts remain in their position.
The only thing I can think of is that they are used in a launch abort sequence to get rid of the shroud. But somehow it is weird. It's it really not as aerodynamic as you would expect from outer rocket parts.
I saw the same panels on a Russian ICBM, but they were on the first stage. Most likely they had the same function as a separation booster.
Edit: Just found that:
http://commons.wikimedia.org/wiki/File:RP1357_p51_Soyuz_launch_pad_abort_sequence.svgLooks like it stabilizes the las?
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#809
by
Stan Black
on 26 May, 2013 06:08
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What are the marked parts in picture 1 used for?
I assume the parts can be extracted by pyrotechnic actuators. But the shroud is jettisoned when nearly no air is present, so it wouldn't make any difference if they extracted (e.g. to support the shroud separation process).
In the (last) picture from the video the shroud is jettisoned and the marked parts remain in their position.
The only thing I can think of is that they are used in a launch abort sequence to get rid of the shroud. But somehow it is weird. It's it really not as aerodynamic as you would expect from outer rocket parts.
I saw the same panels on a Russian ICBM, but they were on the first stage. Most likely they had the same function as a separation booster.
Edit: Just found that:
http://commons.wikimedia.org/wiki/File:RP1357_p51_Soyuz_launch_pad_abort_sequence.svg
Looks like it stabilizes the las?
http://forum.nasaspaceflight.com/index.php?topic=22651.0http://www.cosmopark.ru/r7/r726.htm
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#810
by
Remes
on 26 May, 2013 12:12
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#811
by
Suzy
on 31 May, 2013 04:01
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Someone asked on a Reddit forum, why is the Orlan spacesuit creamy-colored and not white? Googling brings me no information, only that the outer layer is made of a heat-resistant fabric called phenylon (via this
PDF document). Is the fabric that color naturally?
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#812
by
Nicolas PILLET
on 31 May, 2013 12:50
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This may be a stupid question, but where were the soft-landing engines on Voskhod spacecraft ??
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#813
by
Jim
on 31 May, 2013 13:02
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This may be a stupid question, but where were the soft-landing engines on Voskhod spacecraft ??
In the parachute harness.
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#814
by
Nicolas PILLET
on 31 May, 2013 17:31
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#815
by
Moe Grills
on 31 May, 2013 18:22
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Two questions:
1) When was the first Soviet/Russian satellite launched into GEO?
2) When was the first Soviet/Russian satellite launched into polar orbit?
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#816
by
360-180
on 31 May, 2013 18:39
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This may be a stupid question, but where were the soft-landing engines on Voskhod spacecraft ??
In the parachute harness.
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#817
by
Skyrocket
on 31 May, 2013 19:45
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Two questions:
1) When was the first Soviet/Russian satellite launched into GEO?
On 26 March 1974 Kosmos-637 was launched into GEO. It was a mockup of the Raduga comsat.
The first functional GEO satellite was Molniya-1S on 29. July 1974. This was a Molniya satellite modified for GEO operations
2) When was the first Soviet/Russian satellite launched into polar orbit?
Which inclinations do you consider polar?
If 81° is polar enough, this would be Kosmos 144, a Meteor-1 weather satellite, on 28 February 1967
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#818
by
manboy
on 31 May, 2013 20:44
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Someone asked on a Reddit forum, why is the Orlan spacesuit creamy-colored and not white? Googling brings me no information, only that the outer layer is made of a heat-resistant fabric called phenylon (via this PDF document). Is the fabric that color naturally?
This is something I would also like to know.
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#819
by
AnalogMan
on 31 May, 2013 21:21
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Someone asked on a Reddit forum, why is the Orlan spacesuit creamy-colored and not white? Googling brings me no information, only that the outer layer is made of a heat-resistant fabric called phenylon (via this PDF document). Is the fabric that color naturally?
This is something I would also like to know.
As I understand it Phenylon® is a Russian tradename for a material equivalent to Dupont's Nomex® - otherwise know to chemists as poly(m-phenylene isophthalamide) or PMPI for short.
This is a high-performance polymer, with high thermal and mechanical resistance, described by Dupont as
"inherently flame-resistant, high-temperature fiber that will not melt, drip or support combustion in air. It also delivers outstanding resistance to a broad range of chemicals and is offered in paper, felt, fabric and fiber forms”The natural color of Nomex® is usually described as "off-white" or "ivory", and many variants are classed as non-dyeable.