Proton KM-1 RD-253 engine Credit - Khrunichev Gross Mass: 450,400 kg (992,900 lb). Empty Mass: 31,000 kg (68,000 lb). Thrust (vac): 10,532.000 kN (2,367,687 lbf). Isp: 317 sec. Burn time: 108 sec. Propellants: N2O4/UDMH. Isp(sl): 285 sec. Diameter: 7.40 m (24.20 ft). Span: 7.40 m (24.20 ft). Length: 21.00 m (68.00 ft). Country: Russia. No Engines: 6. Engine: RD-253-14D14. Status: In production. Cost $ : 18.000 million. First Flight: 1999. Last Flight: 2003. No Launched: 4. Used on Launch Vehicles: Proton 8K82K / Briz-M.                   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.

Encyclopedia Astronautica topic index 0 - A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - Ra - Re - Sa - Sf - Sp - T - U - V - W - X - Y - Z Enter your search terms   Web www.astronautix.com Submit search form