KTDU-66

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Engine Model: KTDU-66. Manufacturer Name: KTDU-66. Other Designations: S5.66. Designer: Isayev. Developed in: 1970-71. Application: Salyut 1. Propellants: Nitric acid/UDMH. Thrust(vac): 4.090 kN (919 lbf). Isp: 280 sec. Burn time: 1,000 sec. Mass Engine: 305 kg (672 lb). Diameter: 2.50 m (8.20 ft). Length: 1.14 m (3.73 ft). Chambers: 1 + 2. Chamber Pressure: 39.20 bar. Oxidizer to Fuel Ratio: 1.85. Thrust to Weight Ratio: 1.36. Country: Russia. Status: Out of Production.

Spacecraft maneuvering engine, derivative of KTDU-35. Longer burn time of 1000 s. Comprises single-chamber main engine plus dual-chamber back-up engine. Thrusts 4.09 + 4.03 kN.

KTDU-66 used on Spacecraft

Used on: Salyut 1.

Bibliography:

Glushko, V P (ed), Kosmonavtika Entsiklopedi, Moscow 1985 via Dietrich Haeseler.
Siddiqi, Asif A, Soviet Space Web Page, 1999 via Dietrich Haeseler. Web Address when accessed: http://home.earthlink.net/~cliched/main_space.html.

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