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astronautix.com RD-0126


Manufacturer Name: RD-0126. Other Designations: RO-97. Designer: Kosberg. Developed in: 1993-. Application: upper stage. Propellants: Lox/LH2 Thrust(vac): 3,997 kgf. Thrust(vac): 39.20 kN. Isp: 476 sec. Mass Engine: 320 kg. Length: 2.6 m. Chambers: 1. Chamber Pressure: 71.50 bar. Oxidizer to Fuel Ratio: 6.00. Country: Russia. Status: Design concept 1993-. References: 21 , 342 . Comments: Concept for a cryogenic engine "Yastreb" for upper stages. Single annular chamber with expansion-deflection nozzle, separate turbopumps. Hot-tests began 1998.
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Last update 12 March 2001.
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