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RD-0126
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 | RD-0126
Credit - KBKhA
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Manufacturer Name: RD-0126. Other Designations: RO-97. Designer: Kosberg. Developed in: 1993-. Application: Upper stages, such as a space tug or injection stage for the Onega upgraded version of the Soyuz launch vehicle. Propellants: Lox/LH2. Thrust(vac): 39.200 kN (8,813 lbf). Isp: 476 sec. Mass Engine: 320 kg (700 lb). Length: 2.60 m (8.50 ft). Chambers: 1. Chamber Pressure: 71.50 bar. Oxidizer to Fuel Ratio: 6.00. Thrust to Weight Ratio: 12.49. Country: Russia. Status: Design concept 1993-. Concept for a cryogenic engine "Yastreb" for upper stages. Single annular chamber with expansion-deflection nozzle, separate turbopumps. Hot-tests began 1998.
Bibliography and Further Reading - Semenov, Yuri P Editor, Raketno-kosmicheskaya korporatsiya 'Energia' imeni S P Koroleva, Moscow, Russia, 1996. Russian in-house history of the Energia Corporation and its predecessors. Unprecedented detail, photographs, designations, and drawings, on the products of Korolev's OKB.
- Russian Arms Catalogue, Vol 5 and 6, Military Parade, Moscow via Dietrich Haeseler.
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