This page no longer updated from 31 October 2001. Latest version can be found at Soyuz M-3

Gross Mass: 5,000 kg. Empty Mass: 1,000 kg. Thrust (vac): 2,040 kgf. Isp: 360 sec. Burn time: 700 sec. Propellants: Lox/Kerosene Isp(sl): 0 sec. Diameter: 2.4 m. Span: 2.4 m. Length: 2.7 m. Country: Russia. No Engines: 1. RD-161 Status: Development. Comments: Empty mass estimated. Multiple restart engine.
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Last update 12 March 2001.
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© Mark Wade, 2001 .