Questions tagged [soyuz-spacecraft]

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

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11
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1answer
1k views

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. ...
11
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2answers
531 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 ...
11
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1answer
566 views

How much manual flying is done in a modern manned spacecraft?

Considering we live in an age of unmanned spacecrafts, with computers more than capable of managing everything from attitude control, burns, to docking and insanely precise powered landings; how much ...
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3answers
2k views

Why doesn't Roscosmos launch Soyuz spacecraft with only Russians on board?

Just very curious. There are three seats in the Russian Soyuz spacecraft, and sometimes just one astronaut of the three is a Russian and the other two are either one American and someone from yet ...
10
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1answer
2k views

Soyuz MS spacecraft battery voltage?

This wikipedia page contains a sentence: A fifth 906V battery with 155 Ampere-hour capacity was added to support the increased energy consumption from the improved electronics. 906 V seems very ...
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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 ...
10
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1answer
506 views

How close to a building has a Soyuz landed?

Soyuz capsules are designed to land onto land. To avoid the small chance of harming people or property, they are usually targeted to land in remote parts of Kazakhstan. However, some landings aren't ...
10
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1answer
732 views

Does Soyuz LES take the service module?

During Jettisonable Emergency Escape Head Section abort mode, the head section of the rocket is separated and pulled away by OGB SAS (the escape tower) to safety away from the malfunctioning lower ...
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2answers
914 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 ...
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348 views

Is this a photo of today's Soyuz anomaly happening in flight seen from the ISS? What are the little dots?

ISS Exp. 57 Cmdr. and ESA Astronaut Alexander Gerst's Tweet today says: Glad our friends are fine. Thanks to the rescue force of >1000 SAR professionals! Today showed again what an amazing vehicle ...
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1answer
446 views

Why does it take three years to manufacture a Soyuz spacecraft?

I've read a Russian article based on the recent report by the US Government Accountability Office regarding the NASA Commercial Crew Program. The article claims that it takes three years to order a ...
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208 views

Will Soyuz spacecraft be able to visit the Lunar Gateway?

I mean launch from Earth, dock to the gateway and come back.
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Microgravity indicators

As mentioned in the YouTube clip below and in the image, in the Soyuz craft hangs small toys or dolls as microgravity indicators. Is this really the purpose of the dolls being hung? Are people not ...
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What does Soyuz's button-pushing “fancy stick” look like? Are there others?

In the Smarter Every Day video How to FLY A SPACESHIP to the SPACE STATION - Smarter Every Day 131 the host Destin Sandlin (seated in the center seat of a Soyuz capsule) asks astronaut Scott Kelly (...
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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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Reasons for using a bi-elliptic transfer for Soyuz-ISS rendezvous

According to the ESA movie Soyuz rendezvous and docking explained, Soyuz uses a bi-elliptic transfer to move from the phasing orbit to the ISS orbit. Why is this more complex transfer used instead of ...
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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 ...
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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 ...
9
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224 views

Is there an equivalent of the Dragon 'claw' and Apollo umbilical fairing between the Soyuz crew and service modules?

The Apollo service module provided power etc. to the command module through umbilical connections covered by a fairing. When the two modules were separated, a 'guillotine' cut through the cables and ...
9
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2answers
539 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 ...
9
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1answer
2k 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 ...
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1answer
479 views

Why aren't there many audio soundscapes recorded within the spacecraft?

First of all, let me explain that I am totally blind, and audio is my primary source of information. Through soundscapes, I can hear how big or small a room is, and make pictorial and spatial images ...
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395 views

Any risk from Soyuz 22-ton fuel dump?

Following the recent mishap with the Soyuz, Kazakhstan's deputy minister for defense and the aerospace industry said that about 22 tons of fuel (kerosene and liquid oxygen) were dumped/fell over the ...
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176 views

Detailed information about the Soyuz descent module connection box?

Anyone have some detailed information about how all this connectors, located in the soyuz descent module? Are they used only when they setup the Soyuz or they are ...
8
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2answers
990 views

Why does the current Soyuz flight (2018-06-06) take two days?

At NASA's blog you can read about the Soyuz flight for expedition 56-57. It says: ...blast off Wednesday at 7:12 a.m. EDT on a two-day trip to the station. Why does it take two days this time? ...
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387 views

How much of the printed materials (manuals, instructions etc.) were allocated for the crew's use in Space Shuttles?

Whilst watching youtube video of an occasional Soyuz spacecraft launch (Soyuz ТМА-19М in this case), I've noticed (at 8:07) this large bundle of books. Another video of TMA-16M flight at 39:40 shows ...
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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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4answers
382 views

Why is Soyuz's third stage's engine cutoff the most intense?

Based on the motion and reaction of the cosmonauts, the 3rd stage engine cutoff (cued video) at about T+ 08:46 in this video of a Soyuz ascent causes greater ...
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1answer
795 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 ...
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324 views

What is the big hole next to the 2mm hole that caused the 2018-08-30 Soyuz MS-09 / ISS leak?

The small hole in this picture is being reported as the cause of the ISS leak. What is the large hole next to it on the perpendicular surface? The one that appears to have been drilled by an amatuer ...
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1answer
2k views

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, ...
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432 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 ...
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1answer
591 views

How is the docking hatch on the Progress/ATV opened?

Normally during the Progress or ATV hatch opening procedure the crew inside the ISS turn a handle to unseal the SSVP drogue cover which they then pull inward, revealing the Progress docking probe and ...
8
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1answer
233 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 ...
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3answers
2k views

To what extent is the orbital Time Period of ISS affected by soyuz thrusters?

Numerically, to what extent is the orbital time period of ISS affected during the time when it boosts back higher to gain the lost altitude, using Soyuz thrusters/engines?
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Soyuz has a Space Periscope?

The image Photo ID: ISS049-E-003166 can be found in Flikr and Wikimedia Commons as well as in Spaceflight Now. There is a long (perhaps 1 meter?) green structure that is sticking out from the side of ...
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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-...
7
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1answer
594 views

Is this rocket design from 'The Americans' credit sequence real?

In the opening credit sequence of the TV show 'The Americans', a schematic of a rocket with 5 strap-on boosters is briefly shown: The diagram appears immediately after an elevation view of a Soyuz ...
7
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1answer
270 views

How are soyuz spacecraft adapted to 2 people crew?

Since Russia is going to send only 2 people crew to the ISS for a while, I wonder how will they adapt the spacecraft. Do they remove the 3rd seat ? Can they put extra cargo on theses flights ?
7
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1answer
296 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: ...
6
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2answers
3k views

Soyuz for Sale?

Reading through some stuff on the interwebs I came across some information saying that some old Soyuz Capsules are keep in a junkyard. Does anyone know if it's actually possible to purchase one of ...
6
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1answer
226 views

Soyuz seat - return

Every astronaut launching on a Soyuz has a seat custom-made (source). However, I don't believe astronauts typically return on their original Soyuz, and I know that they don't always. In this case, are ...
6
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1answer
903 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 ...
6
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1answer
357 views

How does delaying Soyuz TMA-15M crew return help with ISS schedule slip due to failed Progress M-27M resupply vehicle?

After the failed Progress M-27M / Progress 59 resupply mission in late April 2015, Roscosmos and NASA have been working on ISS schedule changes to accommodate loss of supplies to the station, while an ...
6
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1answer
91 views

Are there any differences in docking procedures between ISS and manned capsules vs. unmanned capsules?

The Russian Soyuz has an extensive history in docking with ISS with both manned and unmanned capsules. SpaceX just recently demonstrated manned-capsule docking with ISS with a history of unmanned ...
6
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1answer
146 views

Where did Soyuz and Progress dock with Mir?

I'm piecing together a chronological timeline of Mir station including manned and unmanned visits to the ship, time of docking and undocking, and location of docking. My question is around the ...
6
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1answer
442 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 ...
6
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1answer
2k 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, ...
6
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1answer
201 views

Does the Soyuz spacecraft really try to achieve attitude accuracy of 0.5° from GLONASS and GPS signals?

This answer mentions that the Wikipedia article Soyuz MS (Союз МС, the latest revision of the Soyuz spacecraft, evolution of the Soyuz TMA-M) says: Instead of relying on ground stations for orbital ...
5
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1answer
646 views

Does deploying the parachute dehermetize Soyuz?

When watching the Year in Orbit documentary, one of cosmonauts points to the big bags stowed between/above the seats of Soyuz capsule, identifying them as the main and emergency parachutes. But they ...