This page no longer updated from 31 October 2001.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

Gross Mass: 3,164 kg. Empty Mass: 2,344 kg. Thrust (vac): 300 kgf. Isp: 326 sec. Burn time: 600 sec. Propellants: N2O4/UDMH Diameter: 2.7 m. Span: 2.7 m. Length: 2.6 m. Country: Russia. No Engines: 1. 17D61 Status: Hardware. Comments: Derived from propulsion module of Yantar spysat, over 30 flights to 1998. 50 restarts.
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Last update 12 March 2001.
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© Mark Wade, 2001 .