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Vostok-2 (rocket) - Wikipedia

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Soviet rocket

Vostok-2

Vostok-2 rocket

Function Carrier rocket Manufacturer OKB-1 Country of origin USSR Stages Two Mass 4,730 kilograms (10,430 lb) Family R-7 Derivative work Vostok-2M Status Retired Launch sites Baikonur Site 1/5 & 31/6
Plesetsk Site 41/1 Total launches 45 Success(es) 40 Failure(s) 5 First flight 1 June 1962 Last flight 12 May 1967 Carries passengers or cargo Zenit No. boosters 4 Powered by 1 RD-107-8D74K Maximum thrust 995.3 kilonewtons (223,800 lbf) Burn time 118 seconds Propellant RP-1/LOX Powered by 1 RD-108-8D75K Maximum thrust 940 kilonewtons (210,000 lbf) Burn time 301 seconds Propellant RP-1/LOX Powered by 1 RD-0109 Maximum thrust 54.5 kN Burn time 365 seconds Propellant RP-1/LOX

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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 switched to the newer 8K74 core and featured the 8D74K first stage engines from the Molniya 8K78 booster which gave it improved performance over the older Vostok 8K72K.

The Vostok-2 made its maiden flight on 1 June 1962, from Site 1/5 at the Baikonur Cosmodrome. One of the booster engines shut down 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 due to the growing mass and complexity of the Zenit satellites.

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

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