Vostok-2
Country of Origin: Soviet Union
Manufacturer: OKB-1
Height:
Diameter: 2.99 m (core)
Payload to LEO: 4.73 tons
Total Mass:
Launch Sites: Baikonur, Plesetsk
First Flight: June 1, 1962
Last Flight: August 29, 1991
Total Launches: 45 (Vostok-2); 93 (Vostok-2M)
Successful Launches: 40 (Vostok-2); 92 (Vostok-2M)
Vostok-2
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| Boosters | 2.68 m | RP-1 / LOX | 4 x RD-107-8D74K | 118 s | 4 x 995.4 kN | 256 s / 313 s | |
| 1 | 2.99 m | RP-1 / LOX | RD-108-8D75K | 301 s | 941.4 kN | 248 s / 314 s | |
| 2 | 2.56 m | RP-1 / LOX | RD-0109 | 400 s | 54.52 kN | ? / 323.5 s |
Vostok-2M
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| Boosters | 2.68 m | RP-1 / LOX | 4 x RD-107-8D74K | 120 s | 4 x 995.4 kN | 256 s / 313 s | |
| 1 | 2.99 m | RP-1 / LOX | RD-108-8D75K | 305 s | 941.4 kN | 248 s / 314 s | |
| 2 | 2.56 m | RP-1 / LOX | RD-0109 | 400 s | 54.52 kN | ? / 323.5 s |
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