Space Exploration Stack Exchange
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Questions tagged [soyuz-spacecraft]

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

The Soyuz spacecraft has been the workhorse of the Soviet and then Russian space program since the 1960's. The launch vehicle is also known as Soyuz.

The current Soyuz models can carry three astronauts to low earth orbit, and the ISS.

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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 the function of this covering?
Nickolai
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Can Soyuz spacecraft operate without the orbital module?

Normally, before reentry, Soyuz separates into 4 chunks - the orbital module, the service module, the reentry module, and the periscope. Only the reentry module survives the reentry. Let's imagine a situation that for one reason or another Soyuz…
SF.
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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 interactions. To my understanding the left one is…
Antzi
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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 RF radiation sources on that side? Or a caution…
Kamen N.
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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 seat on and to manufacture the Soyuz…
user22384
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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 also connected to the equipment module? Pictures from here Update 1 (TMA-19) I get…
Ricardo Albear
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How do cosmonauts board the Soyuz spacecraft?

The Soyuz spacecraft consists of an orbital module, a descent module and a service module: (https://commons.wikimedia.org/wiki/File:Drawing-Soyuz-TMA-exp12.png) The spacecraft is fitted into a fairing before it is sent to the launch…
Dave Gremlin
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How was the ventilation valve supposed to work on Soyuz 7K-T (e.g. Soyuz-11)?

I'm reading the book Salyut - The First Space Station - Triumph and Tragedy and the usage of the ventilation valve on Soyuz-11 confuses me. There were no induction or exhaust pumps that pushes air in or out. Only one of the valves was supposed to…
user3528438
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Soyuz flight books?

I have the Crew Operations Manual, but I wonder if any of the books carried onboard mentioned in it are available anywhere? There is a flight plan book, a nominal checklist, off-nominal, backup and reference book mentioned.
Innovine
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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 what each one does, and how and when they are used…
Innovine
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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 the Soviet Salyut 4 station in 1975. If they tried…
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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 will we see it on active duty? When it will…
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Why are the Soyuz and Progress spacecrafts about as expensive as the Soyuz rocket?

I have found this text: "In billion rubles: For Progress (without the cost of ~2.8 tonnes of cargo): Rocket: ~1.25 (Soyuz 2.1a) = 20.83 mil dollars Ship: ~0.9 (Progress MS) = 15 mil dollars Logistic: ~0.15 (delivery of rocket and ship to cosmodrome…
user16613