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astronautix.com S5.4

S.5.4 Vostok TDU
S.5.4 Vostok TDU - S.5.4 Vostok TDU engine schematics

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Manufacturer Name: TDU-1. Other Designations: S5.4. Designer: Isayev. Developed in: 1959. Application: Vostok/Voskhod retorfire engine; spacecraft maneuvering engine. . Used on spacecraft: Vostok, Voskhod, Zenit-2, Zenit-4. Propellants: Nitric acid/Amine Thrust(vac): 1,614 kgf. Thrust(vac): 15.83 kN. Isp: 266 sec. Burn time: 45 sec. Mass Engine: 98 kg. Diameter: 0.9 m. Length: 1.1 m. Chambers: 1 + 4. Chamber Pressure: 55.50 bar. Oxidizer to Fuel Ratio: 3.07. Country: Russia. Status: Out of Production. References: 225 , 321 , 329 . Comments: Includes 4 small lateral steering nozzles.
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Last update 12 March 2001.
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© Mark Wade, 2001 .