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Manufacturer Name: KTDU-80. Other Designations: S5.80. Designer: Isayev. Developed in: -1977. Application: Soyuz TM, Progress M. Used on spacecraft: Progress M, Soyuz TM. Propellants: N2O4/UDMH Thrust(vac): 632 kgf. Thrust(vac): 6.19 kN. Isp: 302 sec. Burn time: 890 sec. Mass Engine: 310 kg. Diameter: 2.1 m. Length: 1.2 m. Chambers: 1. Chamber Pressure: 8.80 bar. Area Ratio: 153.80. Oxidizer to Fuel Ratio: 1.85. Country: Russia. Status: In Production. References: 314 , 336 . Comments: Propulsion system includes 4 spherical tanks for a total of 880 kg propellant. Developed from NII Mash experimental thruster, 3 thrust levels by 4 valves: 6000 N, 0.7 N, 0.3 N. Specific impulse 326 - 286 sec.
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Last update 12 March 2001.
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