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. Propellants: N2O4/UDMH. Thrust(vac): 4.380 kN (985 lbf). Mass Engine: 52 kg (114 lb). Diameter: 0.46 m (1.50 ft). Length: 0.73 m (2.39 ft). Chambers: 1. Thrust to Weight Ratio: 8.59. Country: Russia. Status: In Production.

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.

KRD-442 used on Spacecraft

Used on: ISS Zarya.

Used on: Kvant.

Used on: Kvant-2.

Used on: Priroda.

Used on: Skif-DM.

Used on: Spektr.

Used on: Teknologia.

Used on: Tellura.

Bibliography and Further Reading

Golubev, A A, KB KhimAvtomatiki - Straniy Istorii, Vol. 1, Voronezh 1995 via Dietrich Haeseler.

Haeseler, Dietrich, Visit to the museum of Chemical Machining Design Bureau, Kalinin 1994 via Dietrich Haeseler.

Russian Arms Catalogue, Vol 5 and 6, Military Parade, Moscow via Dietrich Haeseler.

Siddiqi, Asif A, Soviet Space Web Page, 1999 via Dietrich Haeseler. Asif Siddiqi presents material that could not be fit into his monumental 'Challenge to Apollo'. Accessed at: http://home.earthlink.net/~cliched/main_space.html.

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© Mark Wade, 1997 - 2007 except where otherwise noted.

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