The Ikar was a rocket upper stage designed in Russia in 1999 to be used with the Soyuz 11A511U rocket as Soyuz-Ikar.[3] It was derived from the propulsion module of the Yantar spy satellites.[4]
| Manufacturer | TsSKB-Progress |
|---|---|
| Country of origin | Russia |
| General characteristics | |
| Diameter | 2.72 metres (8 ft 11 in) |
| Length | 2.59 metres (8 ft 6 in) |
| Gross mass | 3,210 kilograms (7,080 lb) |
| Empty mass | 2,310 kilograms (5,090 lb) |
| Ikar | |
| Powered by | 117D61[2] (KB Melnikov) |
| Maximum thrust | 2.943 kilonewtons (662 lbf) |
| Specific impulse | 308 seconds (3.02 km/s) |
| Burn time | 600 seconds |
| Propellant | N2O4/UDMH |
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