Poll

Will there be a rocket family that launches more times than the R-7 Semyorka?

Yes
37 (75.5%)
No
7 (14.3%)
Maybe
5 (10.2%)

Total Members Voted: 49


Author Topic: Will there be a rocket family that launches more times than the R-7 Semyorka?  (Read 7506 times)

Offline Vahe231991

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So to summarize there have been 23 different rockets in the R-7 family that have flown at least once.  And there are an additional four rockets in this family that have never launched.  The rockets differ in many details, like the engines, but with the exception of the Soyuz -2-1v, they all have the Korolev Cross.

The first rocket to use the Korolev Cross was the R-7 Semyorka (not to be confused with the R-7A Semyorka) which was an ICBM.  And in fact it was the original ICBM.  And it was first launched in 1957.  Sputnik was launched on a R-7 family rocket.

There are currently three rockets in this family that are still active: Soyuz-2.1a, Soyuz-2.1b, and Soyuz-2.1v.

There is nothing original R-7 left in Soyuz-2.1v

So I would not count Soyuz-2.1v in.
You're definitely right that the Soyuz-2.1v differs from other Soyuz-2 variants in having the first stage with a single-chamber NK-33 engine. The Soyuz-2.1v was initially known earlier in development as the Soyuz-1, and I should note that the Soyuz-5 and Soyuz-7 will use entirely new technology in contrast to the Soyuz-2.1a and Soyuz-2.1b.

 

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