Volga (rocket stage)
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| Manufacturer | TsSKB-Progress |
|---|---|
| Country of origin | Russia |
| General characteristics | |
| Diameter | 3.2 metres (10 ft) |
| Length | 1.025 metres (3 ft 4.4 in) |
| Propellant mass | 300 kilograms (660 lb)-900 kilograms (2,000 lb) |
| Empty mass | 840 kilograms (1,850 lb) |
| Engine details | |
| Engines | 1 17D64[2][3] (KB Melnikov) |
| Thrust | 2.94 kilonewtons (660 lbf) |
| Specific impulse | 307 sec |
| Fuel | N2O4/UDMH |
Volga, GRAU index 14S46, also designated 141KS, is a rocket upper stage designed in Russia. It is used with the Soyuz-2.1a and Soyuz-2-1v rocket, to insert payload into Sun-synchronous orbit. It is derived from the propulsion module of the Yantar spy satellites.[4] It is closely related to the retired Ikar upper stage. [3]
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