Luna 8K72-1 R-7 aft end Credit - © Mark Wade Gross Mass: 95,300 kg (210,100 lb). Empty Mass: 6,900 kg (15,200 lb). Thrust (vac): 936.500 kN (210,534 lbf). Isp: 315 sec. Burn time: 320 sec. Propellants: Lox/Kerosene. Isp(sl): 246 sec. Diameter: 2.60 m (8.50 ft). Span: 2.99 m (9.80 ft). Length: 28.00 m (91.00 ft). Country: Russia. No Engines: 1. Engine: RD-108-8D75-1958. Status: Out of production. Cost $ : 13.000 million. First Flight: 1958. Last Flight: 1960. No Launched: 9. No Failed: 1. Used on Launch Vehicles: Luna 8K72.                   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 - 2007 except where otherwise noted.

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