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Soyuz/Vostok

From Wikipedia, the free encyclopedia
Soyuz/Vostok
FunctionInterim carrier rocket
ManufacturerOKB-1
Country of originSoviet Union
Size
StagesThree
Capacity
Payload to LEO
Mass4,500 kilograms (9,900 lb)
Associated rockets
FamilyR-7
Launch history
StatusRetired
Launch sitesBaikonur 31/6
Total launches2
Success(es)2
First flight27 December 1965
Last flight20 July 1966
Type of passengers/cargoUS-A
Boosters – Block A/B/V/G
No. boosters4
Powered by1 RD-107
Maximum thrust994.3 kilonewtons (223,500 lbf)
Specific impulse315 sec
Burn time118 seconds
PropellantRP-1/LOX
First stage – 11S59
Powered by1 RD-108
Maximum thrust977.7 kilonewtons (219,800 lbf)
Specific impulse315 sec
Burn time292 seconds
PropellantRP-1/LOX
Second stage
Powered by1 RD-0109
Maximum thrust54.5 kN
Burn time365 seconds
PropellantRP-1/LOX
Third stage – Unknown

The Soyuz/Vostok, also known as just Soyuz or Vostok, or by its GRAU index, 11A510 was an interim expendable carrier rocket used by the Soviet Union in 1965 and 1966. Two were launched with prototype US-A satellites.[1]

The Soyuz/Vostok was launched from Site 31/6 at the Baikonur Cosmodrome. It consisted of the first stage and boosters from a Soyuz rocket combined with the second stage of the Vostok-2, and an unknown third stage.[1] Along with the Voskhod-derived Polyot, it was built as an interim between the cancellation of the UR-200 development programme, and the introduction of the Tsyklon-2, which took over US-A launches once it entered service.

References

[edit]
  1. ^ a b Wade, Mark. "Soyuz". Encyclopedia Astronautica. Archived from the original on 2010-01-07. Retrieved 2009-04-15.