S1

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Model: S1. Gross Mass: 8,595 kg (18,948 lb). Empty Mass: 840 kg (1,850 lb). Thrust (vac): 105.510 kN (23,720 lbf). Isp: 352 sec. Burn time: 250 sec. Propellants: Lox/UDMH. Isp(sl): 220 sec. Diameter: 1.60 m (5.20 ft). Span: 1.60 m (5.20 ft). Length: 7.80 m (25.50 ft). Country: Ukraine. No Engines: 1. Motor: RD-119. Status: Out of production. Cost $ : 3.000 million. First Flight: 1960. Last Flight: 1977. No Launched: 169. No Failed: 9. Other designations: S1. Used on Launch Vehicles: Kosmos 2. Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2008 except where otherwise noted.