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Other Designations: Priborno-agregatniy otsek. Part of: Soyuz A. Class: Manned. Type: Spacecraft Module. Purpose: Equipment-engine section. Soyuz 7K-OK basic PAO service module with pump-fed main engines and separate RCS/main engine propellant feed system but with no base flange for a shroud. Length: 2.10 m (6.80 ft). Basic Diameter: 2.30 m (7.50 ft). Maximum Diameter: 2.50 m (8.20 ft). Mass: 2,400 kg (5,200 lb). RCS Coarse No x Thrust: 14 X 98 N. RCS Fine No x Thrust: 4 X 98 N. RCS Coarse Backup No x Thrust: 8 x 10 N. RCS Fine Backup No x Thrust: 4 x 10 N roll. RCS Propellants: H2O2. Main Engine: KTDU-35. Main Engine: 305 kg (672 lb). Main Engine Thrust: 4.089 kN (919 lbf). Main Engine Propellants: Nitric Acid/Hydrazine. Main Engine Propellants: 830 kg (1,820 lb). Main Engine Isp: 282 sec. Backup Main Engine Thrust: 4.030 kN (906 lbf). Electrical System: Batteries. Electric System: 0.50 average kW. 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. | |