Engineering:Vostok-2 (rocket)

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Vostok-2
Vostok 8A92.svg
Vostok-2 rocket
FunctionCarrier rocket
ManufacturerOKB-1
Country of originUSSR
Size
StagesTwo
Capacity
Payload to LEO4,730 kilograms (10,430 lb)
Associated rockets
FamilyR-7
DerivativesVostok-2M
Launch history
StatusRetired
Launch sitesBaikonur Site 1/5 & 31/6
Plesetsk Site 41/1
Total launches45
Successes40
Failures5
First flight1 June 1962
Last flight12 May 1967
Notable payloadsZenit
Boosters
No. boosters4
Engines1 RD-107-8D74K
Thrust995.3 kilonewtons (223,800 lbf)
Burn time118 seconds
FuelRP-1/LOX
First stage
Engines1 RD-108-8D75K
Thrust940 kilonewtons (210,000 lbf)
Burn time301 seconds
FuelRP-1/LOX
Second stage
Engines1 RD-0109
Thrust54.5 kN
Burn time365 seconds
FuelRP-1/LOX

The Vostok-2 (Russian: Восток meaning "East"), GRAU index 8A92 was an expendable carrier rocket used by the Soviet Union between 1962 and 1967.[1] Forty five were launched, of which five failed.[2][1] It was derived from the earlier Vostok-K, with uprated engines. It was a member of the Vostok family of rockets.[3]

The Vostok-2 made its maiden flight on 1 June 1962, from Site 1/5 at the Baikonur Cosmodrome. One of the booster engines failed 1.8 seconds after launch, and the rocket came down 300 metres (980 ft) away from the pad. The resulting explosion damaged the launch complex, and necessitated delays to several other launches that had been scheduled from that complex, including Vostok 3 and Vostok 4.[2] Thirteen months later, on 10 July 1963, an almost identical failure occurred. The other three failures were caused by a second stage malfunction, a second stage guidance problem, and a problem with the first stage.

The Vostok-2 was used exclusively to launch Zenit-2 reconnaissance satellites. Launches occurred from sites 1/5 and 31/6 at Baikonur, and Site 41/1 at Plesetsk. In 1967, it was retired in favour of the Voskhod.

Launches

Vostok-2 was launched forty five times.[2][1]

Vostok-2 8A92 launches[2][1]
Date Serial No. Site Payload Result
01.06.1962 E15000-01 Baikonur LC-1/5 Kosmos (6) (Zenit-2 #3) Failure
28.07.1962 T15000-07 Baikonur LC-1/5 Kosmos 7 (Sputnik 17) (Zenit-2 #4) Success
27.09.1962 T15000-06 Baikonur LC-1/5 Kosmos 9 (Zenit-2 #5) Success
17.10.1962 T15000-03 Baikonur LC-1/5 Kosmos 10 (Zenit-2 #6) Success
22.12.1962 T15000-10 Baikonur LC-1/5 Kosmos 12 (Zenit-2 #7) Success
21.03.1963 T15000-01 Baikonur LC-1/5 Kosmos 13 (Zenit-2 #8) Success
22.04.1963 T15000-08 Baikonur LC-1/5 Kosmos 15 (Zenit-2 #9) Success
28.04.1963 E15000-02 Baikonur LC-1/5 Kosmos 16 (Zenit-2 #10) Success
24.05.1963 E15000-12 Baikonur LC-1/5 Kosmos 18 (Zenit-2 #11) Success
10.07.1963 E15000-04 Baikonur LC-1/5 Kosmos (19b) (Zenit-2 #12) Failure
18.10.1963 G15001-01 Baikonur LC-1/5 Kosmos 20 (Zenit-2 #13) Success
28.11.1963 G15001-02 Baikonur LC-1/5 Kosmos (23) (Zenit-2 #14) Failure
19.12.1963 G15001-03 Baikonur LC-1/5 Kosmos 24 (Zenit-2 #15) Success
04.04.1964 G15001-04 Baikonur LC-31/6 Kosmos 28 (Zenit-2 #16) Success
25.04.1964 R15001-01 Baikonur LC-31/6 Kosmos 29 (Zenit-2 #17) Success
10.06.1964 R15001-02 Baikonur LC-31/6 Kosmos 32 (Zenit-2 #18) Success
23.06.1964 G15001-05 Baikonur LC-31/6 Kosmos 33 (Zenit-2 #19) Success
15.07.1964 R15001-03 Baikonur LC-31/6 Kosmos 35 (Zenit-2 #20) Success
14.08.1964 R15001-04 Baikonur LC-31/6 Kosmos 37 (Zenit-2 #21) Success
24.09.1964 R15001-05 Baikonur LC-31/6 Kosmos 46 (Zenit-2 #22) Success
14.10.1964 R15002-01 Baikonur LC-31/6 Kosmos 48 (Zenit-2 #23) Success
28.10.1964 R15002-02 Baikonur LC-31/6 Kosmos 50 (Zenit-2 #24) Success
11.01.1965 R15002-03 Baikonur LC-31/6 Kosmos 52 (Zenit-2 #25) Success
25.03.1965 G15001-06 Baikonur LC-31/6 Kosmos 64 (Zenit-2 #26) Success
07.05.1965 R15002-04 Baikonur LC-31/6 Kosmos 66 (Zenit-2 #27) Success
15.06.1965 U15001-01 Baikonur LC-31/6 Kosmos 68 (Zenit-2 #28) Success
13.07.1965 R15002-05 Baikonur LC-31/6 Kosmos (71) (Zenit-2 #29) Failure
14.08.1965 U15001-02 Baikonur LC-31/6 Kosmos 78 (Zenit-2 #30) Success
27.11.1965 U15001-05 Baikonur LC-31/6 Kosmos 98 (Zenit-2 #31) Success
10.12.1965 U15001-04 Baikonur LC-31/6 Kosmos 99 (Zenit-2 #32) Success
07.01.1966 U15001-08 Baikonur LC-31/6 Kosmos 104 (Zenit-2 #33) Partial Success
22.01.1966 U15001-10 Baikonur LC-31/6 Kosmos 105 (Zenit-2 #34) Success
10.02.1966 U15001-06 Baikonur LC-31/6 Kosmos 107 (Zenit-2 #35) Success
17.03.1966 U15001-09 Plesetsk LC-41/1 Kosmos 112 (Zenit-2 #36) Success
20.04.1966 U15001-07 Baikonur LC-31/6 Kosmos 115 (Zenit-2 #37) Success
06.05.1966 N15001-01 Baikonur LC-31/6 Kosmos 117 (Zenit-2 #38) Success
16.09.1966 N15001-02 Baikonur LC-31/6 Kosmos (129) (Zenit-2 #41) Failure
14.10.1966 U15001-05 Plesetsk LC-41/1 Kosmos 129 (Zenit-2 #42) Success
19.11.1966 N15001-08 Baikonur LC-31/6 Kosmos 132 (Zenit-2 #43) Success
19.12.1966 N15001-09 Plesetsk LC-41/1 Kosmos 136 (Zenit-2 #44) Success
19.01.1967 N15001-05 Plesetsk LC-41/1 Kosmos 138 (Zenit-2 #45) Success
27.02.1967 U15001-03 Baikonur LC-1/5 Kosmos 143 (Zenit-2 #46) Partial Success
13.03.1967 N15001-06 Plesetsk LC-41/1 Kosmos 147 (Zenit-2 #47) Success
04.04.1967 Ya15001-06 Plesetsk LC-41/1 Kosmos 153 (Zenit-2 #48) Success
12.05.1967 Ya15001-02 Baikonur LC-1/5 Kosmos 157 (Zenit-2 #49) Success

References

  1. ↑ 1.0 1.1 1.2 1.3 "Vostok-2 (8A92)" (in en). https://space.skyrocket.de/doc_lau_det/vostok-2.htm. 
  2. ↑ 2.0 2.1 2.2 2.3 Wade, Mark. "Soyuz". Encyclopedia Astronautica. http://www.astronautix.com/lvs/soyuz.htm. 
  3. ↑ "Vostok" (in en). https://space.skyrocket.de/doc_lau/vostok.htm. 



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