Vostok-K

Vostok-K rocket

Function| Carrier rocket
Manufacturer| OKB-1
Country of origin| USSR
Size
Height|

* 30.84 m

Diameter|

* 299 cm

Mass|

* 281,375 kg

Stages| Two
Capacity
Payload to LEO
Mass| 4,730 kilograms (10,430 lb)
Associated rockets
Family| R-7
Derivative work| Vostok-2
Launch history
Status| Retired
Launch sites| Baikonur, Site 1/5
Total launches| 13
Success(es)| 11
Failure(s)| 2
First flight| 22 December 1960
Last flight| 10 July 1964
Type of passengers/cargo| Vostok
Boosters
No. boosters| 4
Powered by| 1 RD-107-8D74-1959
Maximum thrust| 970.86 kN
Total thrust| 3883.4 kN
Burn time| 118 seconds
Propellant| RP-1/LOX
First stage
Powered by| 1 RD-108-8D75-1959
Maximum thrust| 912 kN
Burn time| 301 seconds
Propellant| RP-1/LOX
Second stage
Powered by| 1 RD-0109
Maximum thrust| 54.5 kN
Burn time| 365 seconds
Propellant| RP-1/LOX

[edit on Wikidata]

The Vostok-K (Russian: Восток meaning "East"), GRAU index 8K72K was an expendable carrier rocket used by the Soviet Union for thirteen launches between 1960 and 1964, six of which were manned. It was derived from the earlier Vostok-L; however, it featured uprated engines to improve performance, and enlarge its payload capacity.[1] It was a member of the Vostok family of rockets.

The Vostok-K made its maiden flight on 22 December 1960, three weeks after the retirement of the Vostok-L. The third stage engine failed 425 seconds after launch, and the payload, a Korabl-Sputnik spacecraft, failed to reach orbit. The spacecraft was recovered after landing, and the two dogs aboard the spacecraft survived the flight.

On 12 April 1961, a Vostok-K rocket was used to launch Vostok 1, the first manned spaceflight, which made Yuri Gagarin the first human to fly in space. All six manned missions of the Vostok programme were launched using Vostok-K rockets. The first two Zenit reconnaissance satellites were also launched with the Vostok-K, but it was soon replaced in that capacity with the uprated 8A92 booster. After the conclusion of the Vostok program, there were two remaining 8K72Ks left; these were used to launch four Elektron scientific satellites on 30 January and 10 July 1964.[2]

## References[edit]

1. ^ Wade, Mark. "Soyuz". Encyclopedia Astronautica. Archived from the original on 2010-01-07. Retrieved 2009-04-15.
2. ^ McDowell, Jonathan. "R-7". Orbital and Suborbital Launch Database. Jonathan's Space Page. Retrieved 2009-04-15.

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Soviet and Russian launch vehicles

Active|

* Angara
* 1.2
* A5
* Soyuz-2
* 2.1a
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* 2-1v
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* Proton-M

In development|

* Amur
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Retired|

* Dnepr
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Cancelled (no launch attempts)|

* Tsyklon-4
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Orbital launch systems

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Classes|

* Sounding rocket
* Small-lift launch vehicle
* Medium-lift launch vehicle
* Heavy-lift launch vehicle
* Super heavy-lift launch vehicle

* This Template lists historical, current, and future space rockets that at least once attempted (but not necessarily succeeded in) an orbital launch or that are planned to attempt such a launch in the future
* Symbol † indicates past or current rockets that attempted orbital launches but never succeeded (never did or has yet to perform a successful orbital launch)

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R-7 rockets

Main articles|

* R-7 family
* R-7 Semyorka

Rockets|

| Missiles|

* R-7 Semyorka
* R-7A Semyorka

|

Launch systems|

* Sputnik
* Polyot
* Voskhod

Vostok|

* Luna
* Vostok-L
* Vostok-K
* Vostok-2
* Vostok-2M

Molniya|

* Molniya
* Molniya-M
* Molniya-L

Soyuz|

* Soyuz/Vostok
* Soyuz
* Soyuz-L
* Soyuz-M
* Soyuz-U
* Soyuz-U2
* Soyuz-FG

Soyuz-2|

* Soyuz 2.1a / STA
* Soyuz 2.1b / STB
* Soyuz 2-1v

Launch sites|

| Baikonur|

* Site 1/5
* Site 31/6

|

Plesetsk|

* Site 41/1
* Site 16/2
* Site 43/3
* Site 43/4

Kourou|

* Ensemble de Lancement Soyouz

Vostochny|

* Site 1S

Launches|

* 1957–1959
* 1960–1964
* 1965–1969
* 1970–1974
* 1975–1979
* 1980–1984
* 1985–1989
* 1990–1994
* 1995–1999
* 2000–2004
* 2005–2009
* 2010–2014
* 2015–2019
* 2020–2024

See also|

* Korolyov Cross
* Soyuz at the Guiana Space Centre
* RD-107 (engine)

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