Questions tagged [soyuz-launcher]

the Russian rocket used to launch the Soyuz and Progress spacecraft, the most frequently used launcher worldwide

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39
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1answer
5k views

Why do the Russians use these fence-like interstage fairings?

When we look at various Russian rockets we often see a metal structure looking like a kind of garden fence separating some stages. To my knowledge, only the R7 family (Vostok, Voshkod, Soyuz) and N1 ...
23
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2answers
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Why does the Soyuz Rocket system fire the third stage while stage two is still attached?

Also, I believe that the second stage continues to burn for quite some time even after seperation of stage 3.
16
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What is different from the R-7 that launched Sputnik, to the Soyuz launcher used for Soyuz/Progress launches?

One of the very interesting things about the Soviet (and now Russian) space program is how some things seem almost eternal. The first Sputnik launch was on an R-7 ICBM, modified for space launch. If ...
22
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2answers
5k views

How did Soyuz MS-04 reach the ISS in only 6 hours?

The Wikipedia Article on Soyuz MS-04 says: It is the first of the Soyuz MS series to rendezvous with the Station in approximately 6 hours, instead of the 2 day orbital rendezvous used for the ...
8
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1answer
368 views

Puzzler: What acceleration are these astronauts experiencing?

From only the video footage within the capsule, please estimate the rocket's acceleration (gee's). http://www.bbc.com/news/science-environment-39658947 Show all work and assumptions. There is a ...
-2
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1answer
341 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 ...
52
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1answer
6k views

Did a Soyuz fly with a Union Jack?

In this schematic of a Soyuz rocket, the payload fairing is depicted with the flag of the USSR on one side, and what appears to be the flag of the United Kingdom on the other. Did the Soyuz ever fly ...
19
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1answer
2k views

How did the attitude system of the uncrewed Soyuz 7K-OK No.1 fail on the launch pad in 1966, killing ground staff as LES was activated?

Wikipedia has a stub article on the loss of the Soyuz 7K-OK No.1 test flight in 1966-12-14, but this part doesn't make sense to me: However, once the Soyuz rocket's engines ignited, they did not ...
11
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2answers
422 views

Does Russia still manufacture parts for their space program that would otherwise be obsolete?

The Russian space program is notable for continuing to use the same designs that have been successful for decades. For example, the Soyuz boosters and Soyuz crew vehicles in use today are still the ...
11
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1answer
529 views

Did the crew of Soyuz MS-10 pass the Karman Line?

Just wondering if Nick Hague got his gold astronaut wings.
3
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1answer
178 views

What are the G-forces of Soyuz 3rd stage engine cutoff

Follow up to my previous question Third stage engine cutoff of Soyuz looks most intense, why is that?. The third stage cutoff gives a pretty good kick to the cosmonauts, cued video at about ...