This page no longer updated from 31 October 2001. Latest version can be found at KRD-442

Manufacturer Name: KRD-442. Government Designation: 11D442. Designer: Isayev. Developed in: 1972-77. Application: Orbital propulsion engine for Kvant, Kvant-2, Kristall, Spektr, Priroda, FGB. Used on spacecraft: Kvant, Kvant-2, Priroda, Spektr, Zarya FGB. Propellants: N2O4/UDMH Thrust(vac): 447 kgf. Thrust(vac): 4.38 kN. Mass Engine: 52 kg. Diameter: 0.5 m. Length: 0.7 m. Chambers: 1. Country: Russia. Status: In Production. References: 309 , 314 , 342 , 344 . Comments: Main and low-thrust mode. Operation of turbopump without chamber made it possible to pump propellants into tanks (e.g. from Progress), Thrust regimes 4.38 kN / 0.17 kN.
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Last update 12 March 2001.
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© Mark Wade, 2001 .