This page no longer updated from 31 October 2001. Latest version can be found at R-26 Stage 2

Gross Mass: 25,200 kg. Empty Mass: 2,500 kg. Thrust (vac): 43,650 kgf. Isp: 308 sec. Burn time: 160 sec. Propellants: Nitric acid/UDMH Isp(sl): 252 sec. Diameter: 2.4 m. Span: 8.7 m. No Engines: 1. U102-000 Status: Hardware. Other designations: 8K66. Comments: Orevo has sectioned hardware. Tsniimash has 1:10 structural simulation model. All figures accurate except empty mass estimated. Source: Placard, TsNIIMASH, Orevo.
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Last update 12 March 2001.
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© Mark Wade, 2001 .