Questions tagged [soyuz-spacecraft]

Questions regarding the Soyuz manned spacecraft used by the Soviet and Russian space program.

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12
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1answer
1k views

How does the landing accuracy of Dragon (under parachutes) compare to Soyuz?

The Dragon capsule landed yesterday, and I saw this picture of it: Historically, capsules had a rather large uncertainty when landing, especially with parachutes. This picture was obviously taken ...
13
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1answer
2k views

How do the Soyuz flight control sticks operate?

I would like informations on the flight controls of the Soyuz spacecraft. Especially the two control sticks, as shown in this picture (of a Soyuz simulator). I'm particularly interested by the user ...
9
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1answer
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Why do the Russians call the Soyuz launcher the same name as the Soyuz capsule?

It is sometimes confusing that the Russians call the booster rocket Soyuz, and the payload Soyuz. Is there a reason for this naming model? Reading Anatloy Zak's book he notes several proposed ...
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1answer
337 views

How can spacecraft be reusable for new missions? [closed]

When a spacecraft enters earth's atmosphere, it is totally destroyed and comes down as a single probe, so how can a spacecraft be reusable for new missions? The Soyuz spacecraft is launched on a ...
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3answers
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So with Soyuz being retired, what gets people up to the ISS and back down now?

No Shuttle, no Soyuz, and SpaceX not ready for prime time. I don't get it.
4
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1answer
173 views

Were there any manned missions into orbit that went not to the ISS since the end of the Shuttle?

I know the Chinese did some to their own space station, but were there missions like the repair or retrieve missions the Space Shuttle did with for example the Hubble telescope?
5
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1answer
666 views

New Russian Sokol space suit [closed]

According to the pictures of the mission Soyuz MS-03, the crew is wearing a new "Sokol" space suit. The previous crew was still wearing the 1980 "vintage" KV2 version. Any information about this new ...
8
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1answer
396 views

On Mir, did they ever move a Soyuz at the front end, to a side docking port using Lyappa?

On Mir, the docking module was at the front end of the station. It technically had 6 ports (one was used to connect to Mir itself, so 5 exposed). In general the docking node had one active port ...
8
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2answers
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What does the abbreviation “MS” for the current Soyuz version name mean?

A quick search the meaning of the abbreviations for the previous versions of the Soyuz spacecraft easily tells me their meaning: Soyuz T. 'T' is for транспортный, ...
8
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1answer
218 views

Can a crewed capsule land safely if its launch escape tower does not separate?

Apollo, Soyuz and Orion have used, are using or will use launch escape towers. If it is not needed, it must separate during flight. What if it does not separate? I suppose that the spacecraft would ...
9
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2answers
3k views

What is the ISS maximum altitude?

I see two threats to the ISS as its altitude goes up: Cosmic/solar radiation, which would endanger the crew and the electronics aboard. Orbital debris, which would have higher relative speed and ...
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0answers
46 views

Supply mission to ISS

Since the blowing up of third stage of Soyuz 2.1a it has been put at back burner and older version of Soyuz -TM put into survice. My question is since the contract with ESA also expire in 2016 when ...
5
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1answer
269 views

Are any parts of the Soyuz capsule re-used or re-manufactured?

Are any parts of the Soyuz capsule re-used or re-manufactured? From a previous post I know it is much too expensive to design the spacecraft for re-use or re-inspection, but can any components be ...
-2
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1answer
293 views

What will the new rules, guideliness, and safety measure be for the ISS after NASA kicks out Soyuz?

Will US Policy be that there should be two Boeing CST-100 Starliner or SpaceX Dragon V2 craft attached to ISS at all times for the American segment of the station? Will Soyuz continue to be used?
18
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2answers
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Why does the Soyuz parachute pulsate?

During the recent return of Expedition 47 from the ISS, I noticed the main parachute of their Soyuz capsule pulsating. You can see it in this video: "Flat": "Domed": My wife noted that it looks a ...
2
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1answer
137 views

Soyuz TMA-19M return

The launch of the next crew to ISS with Soyuz MS 1 has been delayed. Why the return date of the current crew on Soyuz TMA 19M remains unchanged? An extension of their mission for ca. 2 weeks would ...
12
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1answer
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Stand clear sign on Soyuz capsule underside

This is a photo of the soyuz capsule posted by the asker of a previous question. One of the labels reads "Not to stand near this side". What is the reason for this? Is it because of active ionizing or ...
2
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1answer
153 views

Was footage released of the Soyuz TMA-20M crew arrival ceremony?

I couldn't find a YouTube video of the welcome ceremony of the newly arrived crew of Soyuz TMA-20M. Was there no broadcast on NASA TV of this event?
3
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1answer
173 views

Minimum Crew of Soyuz TMA-M

Is there a NASA or a Roscosmos safety guidelines or something, stating the minimum crew required to safely operate the TMA-M? I.e. get it into orbit and safely re-enter.
3
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1answer
429 views

What's the thick tube going into Soyuz?

In each footage from ISS I see this thick tube going through the hatches into Soyuz spacecraft, ending in the descent module. What is it for?
4
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1answer
328 views

Can the US Manned vehicles (CST-100, Dragon V2) dock to a Russian vehicle?

In some ways, this is a question in general about docking port compatability. The Russians have two types of ports, and the Americans are standardizing on the NDS (NASA Docking System, sometimes ...
16
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3answers
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Can a single Soyuz return a crew of six back to Earth?

Let's say that the ISS has to be immediately evacuated and that one of the two Soyuz is broken. Could the crew quickly remove "unnecessary weight" (seats maybe?) and fit six person to return back to ...
15
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1answer
2k views

How do astronauts and cosmonauts sleep on a Soyuz?

Recently I learned that the Soyuz crew ship can take up to three days to reach ISS. I know that most of the time the travel takes only about 6 hours, but still: In case something happens, you have to ...
11
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1answer
567 views

What are the numbers on the Soyuz docking cam?

This morning I was watching another video of Soyuz docking to the ISS (Expedition 45/Visiting Crew Docks to the Space Station). The commentator noted that the two quantities $\rho$ and $\dot\rho$ in ...
11
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1answer
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Flashing lights on soyuz underside?

Watching the recent landing video of TMA-16M, I noticed a flashing light on the underside of the soyuz (video here). There appears to be an off-centre, bright flash approximately every 10 seconds. ...
5
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2answers
368 views

Soyuz TMA-18M ISS rendezvous: expedited 4-orbit vs regular 34-orbit - How does fuel usage compare?

Follow up to this question: Why will Soyuz TMA-18M take two days to reach the ISS?. Clearly the expedited rendezvous is cheaper in terms of time. However I was wondering how fuel usage compares. Is ...
10
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2answers
498 views

Can Soyuz be used to perform maintenance on satellites

The Space Shuttle made several servicing mission for satellites, most famous ones would be to service Hubble. Would theses kinds of operations be feasible with a Soyuz spacecraft ? Would it be ...
5
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1answer
197 views

ISS: Procedure in case of collision warning

In case of collision warning occurring to the ISS, if ISS can't be moved the procedure is to go to a Soyuz and wait. Can anyone gives details about the procedure? Is the Soyuz hermetically closed ...
4
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1answer
218 views

Baikonur trip cancelled at the 11th hour (29 May 2014)

A friend and I travelled to Kazakhstan in May and booked a trip to see the 29 May launch. Everything was fine, we had permits for everything except the launch itself (all the museums, Gagarin's ...
8
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1answer
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How does radar calibration using LEO orbited calibration spheres work?

On December 28, 2013 two Russian SKRL-756 calibration sphere satellites will be launched during the maiden flight of the Soyuz-2.1v, a brand new lightweight derivative of the Soyuz launch vehicle, ...
6
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1answer
877 views

What abort modes does Soyuz have in space?

In Progress 59 mission, the service module was damaged and venting pressured gas, which caused the spacecraft to tumble. What could be done if similar situation occurs on a Soyuz? Or generally, What ...
9
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2answers
762 views

Do the ISS crew also study Russian language?

I was watching this video and I realized that all the instruments on the Soyuz spacecraft is in Russian. So how can the non-Russian crew use those instruments? Do they also study Russian before the ...
10
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2answers
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Why does the Soyuz spacecraft's parachute have so many lines?

Image shows a myriad of lines holding down the parachute. I can't even count them all. Is this really necessary? All those strings must surely add a lot of weight to the Soyuz TMA. I would think that ...
6
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1answer
438 views

Emergency plan for Soyuz missions

Recent ISS Cargo delivery via Progress ship was a failure, and it seems that Russian mission control lost the cargo ship completely. Since Progress ship is basically the same design as Soyuz: What ...
2
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1answer
218 views

Soyuz 16 ASTP rehearsal for Apollo Soyuz - Diagram required

I recall that I saw a diagram of Soyuz 16 (the full ASTP rehearsal performed by Filiptchenko and Rukavishinikov in late 1974) made by Schliadinsky in a magazine. It featured the docking ring simulator....
2
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1answer
247 views

How much payload, could a Soyuz return, without crew?

With the sad demise of the US Space Transportation System (Colloquially known as the "Space Shuttle") return of payload from orbit is very limited. Currently the SpaceX Dragon can return the most ...
7
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1answer
288 views

Will Soyuz TMA-16M have the most experienced crew?

I was looking at the names of the crew for Soyuz TMA-16M (for the year long expedition) and I was thinking "wow that's an experienced crew!". I looked up their combined experience and it shows as: ...
9
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1answer
1k views

Why does Soyuz use a single large parachute vs 3 on most American capsules?

Apollo, Gemini, (Not Mercury), Dragon, CST-100, the set of American capsules all seem to use three parachutes for landing the capsules. This seems like it makes sense. They are usually designed for ...
19
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1answer
2k views

Why does the Soyuz cover its main engine?

As seen in Gravity, and also in this youtube video: , the Soyuz main engine is covered by a metal plate that it mechanically moved out of the way before firing. What is ...
6
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1answer
1k views

What is the maximum velocity at which Soyuz TMA-M may transit through Earth' atmosphere at reentry without a heat-shield?

A quick follow-up to Re-entry Heat Shield Alternative Instead of looking for an alternative to heat-shield, I'd like to draw from analogous naval tactics I heard about; Back in the 1950's to 1960's, ...
8
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1answer
762 views

What module(s) on the ISS do the Soyuz dock to?

I've started to notice more and more as I study the ISS, that I can only ever find pictures of one Soyuz docked. Where is the other one? Lets say their sending up a crew of 6 for an expedition. A ...
15
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1answer
3k views

How fast can the crew evacuate the ISS? (ACRV)

An important advantage of having a space station in LEO, as opposed to a space ship orbiting another celestial object, is allegedly that the crew can be saved by a quick return to Earth. But what ...
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1answer
729 views

How Soyuz spacecraft still in service, even though one of it module displayed at museum? [duplicate]

How Soyuz spacecraft still in service, even though one of it module displayed at museum? One of the soyuz module is displayed clearly at museum. Info-box of Soyuz Spacecraft still showing ...
4
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2answers
867 views

Progress M-25M launched because of Antares?

Was Progress M-25M launched in response to Antares' catastrophic failure or were they 2 different launches, both planned to reach the ISS "separately"?
10
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2answers
899 views

Would Soyuz meet NASA current rating standards for manned spaceflight?

If NASA were to apply the safety standards it is using on the CCtCAP program (Dragon V2 and CST-100 now chosen) would Soyuz meet those standards? I suppose it helps if we are clear on what the ...
7
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2answers
2k views

Is it possible to fly with Soyuz spacecrafts around the Moon?

Space Adventures would send up two space tourists for about $150 million with a professional Russian cosmonaut for a mission around the Moon lasting 16-17 days: http://news.discovery.com/space/private-...
20
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1answer
6k views

Why is a stick required to operate Soyuz's computer?

In this screenshot from the recent Soyuz TMA-12M launch, a crewmember is seen using a stick to enter commands into the computer: Is this stick standard, taken on all Soyuz flights? Also, why aren't ...
10
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2answers
5k views

What is the outside of the Soyuz capsule covered in?

When you look at a Soyuz, it seems like the descent and orbital modules are covered in some kind of fabric-like material. You can see wrinkles and it does not look like traditional metal as you might ...
9
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2answers
1k views

What influenced the shape of the Soyuz descent module?

The original Vostok and Voshkod space vehicles were mostly spherical shapes. The Americans went with vaguely conical/capsule shapes. But Soyuz from the beginning has had a sort of gumdrop shape for ...
9
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2answers
531 views

Have two individual ships been docked directly since Apollo-Soyuz?

During the Apollo-Soyuz test program, the Russians and Americans worked together on missions - and one big objective was to dock Apollo and Soyuz craft together. Afterward, however, there seem to be ...