UR-700-3

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Model: UR-700-3. Gross Mass: 399,400 kg (880,500 lb). Empty Mass: 26,000 kg (57,000 lb). Thrust (vac): 5,139.600 kN (1,155,428 lbf). Isp: 328 sec. Burn time: 225 sec. Propellants: N2O4/UDMH. Diameter: 4.15 m (13.61 ft). Span: 7.50 m (24.60 ft). Length: 20.83 m (68.33 ft). Country: Russia. No Engines: 3. Motor: RD-254. Status: Development ended 1968. Used on Launch Vehicles: UR-700. 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.