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Manufacturer Name: RD-250. Government Designation: 8D723. Designer: Glushko. Developed in: 1960-65. Application: R-36-0 stage 1, Tsyklon 2 stage 1. Propellants: N2O4/UDMH Thrust(vac): 89,840 kgf. Thrust(vac): 881.00 kN. Isp: 301 sec. Isp (sea level): 269 sec. Burn time: 120 sec. Mass Engine: 576 kg. Length: 1.8 m. Chambers: 2. Chamber Pressure: 83.30 bar. Area Ratio: 14.70. Oxidizer to Fuel Ratio: 2.60. Country: Russia. Status: Out of Production. References: 323 . Comments: Assembly of 3 RD-250 units make RD-251.
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Last update 12 March 2001.
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