Manufacturer | Khrunichev State Research and Production Space Center |
---|---|
Country of origin | Russia |
Used on | Angara A5 (upper stage) |
General characteristics | |
Height | 10.4 meters (34 ft)[1] |
Diameter | 3.8 meters (12 ft)[1] |
Gross mass | 23,530 kilograms (51,870 lb)[1] |
Propellant mass | 19,600 kilograms (43,200 lb)[1] |
KVTK | |
Powered by | 1 RD-0146D |
Maximum thrust | 68.6 kilonewtons (15,400 lbf)[1] |
Specific impulse | 463 seconds (4.54 km/s)[1] |
Burn time | 1,350 s |
Propellant | LH2/LOX |
The KVTK (Russian: Кислородно-водородный тяжёлого класса, Oxygen/Hydrogen Heavy Class) is a liquid oxygen/hydrogen upper stage for high energy orbits that is currently under development. The KVTK contains an RD-0146D engine and is designed for use on Angara rockets.[1] KVTK would be the first hydrogen-powered upper stage for use on a Russian launch vehicle, although Khrunichev has previously produced a hydrogen-powered upper stage (KVD-1) for the Indian GSLV.[2] KVTK is designed to provide up to five ignitions, allowing for complex orbital maneuvering, and have an on-orbit lifespan of up to nine hours. KVTK would allow an increase in payload to GTO of 20-50% compared to the Angara A5's standard Briz-M upper stage, powered by UDMH and N2O4.[3]
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