Briz (rocket stage)
The Briz-K, Briz-KM and Briz-M (Russian: Бриз-К, КM and M meaning Breeze-K, KM and M) are Russian liquid-propellant rocket orbit insertion upper stages manufactured by Khrunichev State Research and Production Space Center and used on the Proton-M and Angara A5. The upper stages were also used on Rokot, one of Russia's smaller launchers, before its retirement in 2019.
| Manufacturer | Khrunichev |
|---|---|
| Country of origin | Russia |
| General characteristics | |
| Diameter | 2.5 metres (8 ft 2 in) |
| Length | 2.6 metres (8 ft 6 in) |
| Gross mass | 6,475 kilograms (14,275 lb) |
| Propellant mass | 5,055 kilograms (11,144 lb) |
| Engine details | |
| Powered by | 1 S5.98M |
| Maximum thrust | 19.6 kN (4,400 lbf) |
| Specific impulse | 326 s |
| Burn time | 3000 seconds |
| Propellant | N2O4/UDMH |
| Manufacturer | Khrunichev |
|---|---|
| Country of origin | Russia |
| General characteristics | |
| Diameter | 4.10 metres (13.5 ft) |
| Length | 2.61 metres (8 ft 7 in) |
| Gross mass | 22,500 kilograms (49,600 lb) |
| Propellant mass | 20,000 kilograms (44,000 lb) |
| Engine details | |
| Powered by | 1 S5.98M |
| Maximum thrust | 19.6 kN (4,400 lbf) |
| Specific impulse | 326 s |
| Burn time | 3000 seconds |
| Propellant | N2O4/UDMH |
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