This page no longer updated from 31 October 2001. Latest version can be found at RLA-1

Gross Mass: 800,000 kg. Empty Mass: 45,000 kg. Thrust (vac): 1,200,000 kgf. Isp: 337 sec. Burn time: 210 sec. Propellants: Lox/Kerosene Isp(sl): 311 sec. Diameter: 6.0 m. Span: 6.0 m. Length: 30.0 m. Country: USSR. No Engines: 1. RLA-1200 Status: Design 1974. Comments: Empty mass, specific impulses, length estimated by comparison to smaller Zenit successor design.
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Last update 12 March 2001.
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© Mark Wade, 2001 .