This page no longer updated from 31 October 2001. Latest version can be found at R-9A Stage 2

Gross Mass: 15,900 kg. Empty Mass: 2,500 kg. Thrust (vac): 31,000 kgf. Isp: 330 sec. Burn time: 140 sec. Propellants: Lox/Kerosene Diameter: 2.7 m. Span: 2.7 m. Length: 7.0 m. Country: Russia. No Engines: 1. RD-0106 Status: Hardware. Other designations: 8K77 Blok B. Comments: Empty mass estimated. Developed into Molniya/Soyuz second stage.
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Last update 12 March 2001.
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© Mark Wade, 2001 .