Questions tagged [soyuz-spacecraft]

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

Filter by
Sorted by
Tagged with
5
votes
2answers
372 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 ...
5
votes
1answer
688 views

What technical details exist about the Soyuz TMA spacecraft and its Simvol Displays & Cockpit Controls?

I am looking for technical details about the soyuz tma, simvol displays and cockpit controls in general. Something like the NASA familiarization manuals, but for Soyuz. And in english :) Can anyone ...
5
votes
1answer
314 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 ...
5
votes
1answer
606 views

What are those big valves on Soyuz control panel for?

What function do the two large, chunky red valves on the center of the Soyuz control panel have? They are located in the lower middle of this image, just above the Vizor periscope. I wish to know ...
5
votes
1answer
273 views

Why will the Soyuz MS-17 be relocated on the ISS?

According to the Soyuz MS-17 Wikipedia page, the spacecraft is planned to relocate from Rassvet nadir to Poisk zenith on 10 March 2021. This 3 weeks before the next Soyuz, MS-18 arrives. From ...
5
votes
1answer
166 views

Why does the ISS occasionally operate with just 3 crew members?

There have many instances where the ISS only has 3 crew members, often for many weeks. This places significant strain on workload and productivity. Why isn't a new crew launched quicker?
5
votes
1answer
210 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 ...
5
votes
1answer
640 views

Could the Orion or Apollo command module safely land on land in an emergency due to a navigation error?

So we all know that the Apollo missions used a water landing, as will Orion, while the Soyuz lands on land but can land on water if needed. What would have happened if an Apollo crew began reentry in ...
5
votes
0answers
60 views

Soyuz 11 - communication transcript

Are there any communication transcripts available of Soyuz 11 spaceflight? I am especially interested in the part where pressure equalisation valve was opened way too fast and the crew died due to ...
5
votes
0answers
258 views

Why will Russia start arming cosmonauts again?

The Phys.org article Russia to give cosmonauts guns to fend off animals on landing says: Cosmonauts have been unarmed for more than a decade but Roscosmos agency head Dmitry Rogozin said it was time ...
5
votes
0answers
182 views

What space suit is this? [duplicate]

I recently saw this picture, and it puzzles me as to what they are wearing. At first thought, I imagined that they would be space suits. But, they went in a Soyuz craft, and the suits for a Soyuz don'...
4
votes
2answers
868 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"?
4
votes
2answers
1k views

When astronauts or cosmonauts get seated in the spacecraft, are they actually sitting up or lying down?

This might be more of a physics question. If it is, I'll post it in the physics site. If the spacecraft is vertical, wouldn't the astronauts be seated in a lying position so that the G forces do not ...
4
votes
1answer
630 views

Why do astronauts spend a night at a hotel one day before the launch? How did they board the Shuttle

I heard somewhere that it was some sort of a tradition for astronauts to spend one night at some kind of hotel. As far as I know, astronauts and cosmonauts ride in a bus down to the launch site, where ...
4
votes
1answer
713 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 ...
4
votes
1answer
152 views

How did the atmospheres of Soyuz, Shuttle, Mir, and ISS compare?

Soyuz and the Space Shuttle each docked with Mir and the International Space Station. When docked, the crew vehicle and station each share a common atmosphere for the crew to breathe. However, how ...
4
votes
2answers
270 views

What do the insulation and meteorite protection layers being opened on the Soyuz MS-09 spacecraft look like?

This current news item in TASS Russian cosmonaut Kononenko approaches Soyuz MS-09 spacecraft for inspection says: Earlier in the day, the two Russian cosmonauts began their six-hour spacewalk, ...
4
votes
2answers
307 views

Landing shock of Soyuz spacecraft?

Every astronaut launching on a Soyuz has a custom-made seat. The seat should prevent injuries from the very hard landing. Are there any numbers about the maximum decceleration when hitting the ground?
4
votes
2answers
1k views

How (and when) do astronauts suit up when leaving ISS?

I was watching the return of Scott Kelly to earth from the ISS, I noticed that when the crew entered the Soyuz, they didn't wear spacesuits (https://youtu.be/saE0JGtIEKE?t=7m13s) but when they are ...
4
votes
1answer
356 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 ...
4
votes
2answers
528 views

With what attitude does Soyuz reenter, and in what way might this angled pattern on Exp. 53's return a result of attitude?

The BBC article Soyuz space capsule brings ISS crew back after five month mission describes the return of ISS Expedition 55's "Russian Anton Shkaplerov, American Scott Tingle and Japan's Norishige ...
4
votes
1answer
275 views

What options exist for crew transfers to the ISS?

Since the retirement of the Space Shuttles, all crew transfers from and to the ISS are performed using the Russian Soyuz crafts launched with the launch system of the same name. Should Russia ...
4
votes
2answers
128 views

Do non-American space travellers train on Dragon capsule as well?

Soyuz is a spacecraft which still uses technologies from soviet era. The Dragon capsule is state of the art with its electronic upgrades. With Russia and US sharing the International Space Station ...
4
votes
1answer
281 views

Do the Soyuz spacecraft bringing astronauts and supplies to the ISS use Ukraine-built Kurs systems?

A comment below this great answer about the Kurs navigation and docking system linked to the following page on the Ukrainian company Elimz website: http://www.elmiz.com/en/product/orbitalnyj-servis-...
4
votes
1answer
175 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?
4
votes
1answer
222 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 ...
4
votes
1answer
186 views

Tracking the Soyuz MS-15 approaching the ISS with binoculars

Next Wednesday, September 25th, the Soyuz MS-15 will be launched from the Baikonur cosmodrome. I guess the trip to the ISS will be long (6 hrs to 24 hr) as usual. I want to see both the ISS and the ...
4
votes
2answers
488 views

Could the Soyuz/Progress supply and crew a space station in Lunar orbit?

The Soyuz launcher can put about a third of the mass in low Earth orbit compared with Proton, Falcon 9, Ariane 5, Atlas V. Is that enough to crew and resupply a space station in Lunar orbit, or at an ...
4
votes
0answers
178 views

Why have astronauts had to take Soyuz capsules “out for a spin” on 15 separate occasions? (move from one Soyuz port to another)

NASA News item Space Station Crew to Relocate Soyuz to Make Room for New Crewmates says: Three residents of the International Space Station will take a spin around their orbital neighborhood in the ...
4
votes
0answers
58 views

Docking orientation of Soyuz 4 and 5

I was discussing with a friend about the risk of solar panels colliding with each other if the rates imparted during undocking of similar crafts are higher. Which led to the question, then, why not ...
3
votes
2answers
505 views

Why will Soyuz MS-04 bring only two crew to the ISS?

Soyuz MS-04 has the distinction of being the first manned launch of 2017, and the first (at least in a while?) to bring only two, rather than three crew members to the ISS. Is there an official ...
3
votes
1answer
126 views

What is the cost of production or sale of a Soyuz spacecraft?

Soyuz manned spacecraft have been operating for over fifty years and have made one hundred and forty five flights. There have been many upgrades and improvements and is still going strong. I imagine ...
3
votes
1answer
150 views

Why did the Soyuz 7K-LOK use fuel cells rather than solar panels?

The Soyuz 7K-LOK, a heavily-modified derivative of the 7K-OK, was to have been the Soviet equivalent of the Apollo CSM, taking two cosmonauts to lunar orbit (from where one would transfer to the LK ...
3
votes
1answer
433 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?
3
votes
1answer
146 views

How do Russians enumerate old Soviet space missions?

How are old Soviet space missions numbered in Russia? Were the earliest missions actually given a number, or are they referred to by their cosmonaut, or by a spacecraft nickname instead? Does the ...
3
votes
1answer
979 views

Where is the hole now? (ISS/Soyuz spacecraft hole)

Gizmodo's Report: ISS Hole Drilled From the Inside, Cosmonaut Says has made me realize I've lost track of the hole. It was in the part of a Soyuz spacecraft docked to the ISS wouldn't contain the crew ...
3
votes
1answer
176 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
votes
1answer
176 views

Seating in Soyuz 18 capsule

Working on an alternate-history SF story that involves an orbital rescue in 1975 requiring use of the Soyuz 18 capsule. This had room for carrying up to 3 cosmonauts to orbit but only carried 2 to ...
3
votes
1answer
326 views

Emergency decompression of a Soyuz space ship and decompression sickness?

The Soyuz space ship uses an atmosphere of 21 % oxygen and 79 % nitrogen at a pressure of 1 bar, just like the ISS. In case of emergency when the capsule looses pressure, the inhabitants will ...
3
votes
0answers
52 views

Soyuz parachute cord/rope forces

I'm wondering about the forces (e.g., how much pressure is being applied, how much pulling force, etc.) experienced by the ropes of the Soyuz parachutes when they are deployed. Many thanks!
3
votes
0answers
91 views

Soyuz reentry acceleration profile with timing

I am looking for reentry Soyuz acceleration profile with timing. I was able to find graphs for ascent, but failed to find anything related with descent. The only thing I've got is Andreas Mogensen ...
2
votes
1answer
380 views

Could astronauts wear EVA suits in the Soyuz?

There's a problem with maintaining the EVA suits on the space station. Since the Shuttle was canceled, only recently has Dragon made it possible to bring the suits down to ground for refurbishment, ...
2
votes
1answer
888 views

Why does “Tim Peake's capsule” look like it's copper now?

What are these capsules made of? This is the Expedition 47 return capsule that brought Astronauts Yuri Malenchenko, Timothy Peake, and Timothy Kopra back to Earth. According to IFL Science!: The ...
2
votes
1answer
120 views

Why were there two Soyuz 39?

Why were there two Soyuz missions numbered 39? There was Soyuz 7K-T No.39 in 1975, and Soyuz 39 in 1981. Questions about similarly confusing numbering by NASA: Why did Apollo mission numbering skip ...
2
votes
1answer
107 views

What is intermediate thrust and brief pause for checkout on launching Soyuz spacecraft?

In a book I'm reading, the author mentioned the launch of Soyuz spacecraft as follows: What made it more spectacular was how close we were when it lifted off the launch pad. Yuri, Tim and I were ...
2
votes
1answer
253 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 ...
2
votes
1answer
185 views

Roughly what is the rate of energy loss of survivable capsule re-entries?

In this answer I've estimated the peak rate of energy loss of a particularly unwise re-entry as 3 to 4 gigawatts. Never mind that it's 15-20 gees of acceleration, that's a lot of power injected into ...
2
votes
1answer
155 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?
2
votes
2answers
42 views

Dragon ballistic/drag coefficients?

I'm looking for some estimates of Dragon's ballistic or drag coefficients in its reentry (heat shield forward) configuration. Estimates for other spacecraft would be useful also as they would give me ...
2
votes
1answer
232 views

Is this window zenith-facing? (ISS docked Soyuz) If so, how directly?

Pursuant to the question Does the ISS have zenith-facing windows? to which the conclusion (in my opinion) is that there may be a window that provides an oblique view that might include the zenith if ...