11D121

Government Designation: 11D121. Designer: Korolev. Developed in: 1969-74. Application: N-1 stage 1 (block A) roll control engine. Propellants: GOX/Kerosene. Thrust(vac): 68.650 kN (15,433 lbf). Isp: 313 sec. Isp (sea level): 273 sec. Chambers: 1. Chamber Pressure: 71.60 bar. Country: Russia. Status: Developed 1969-74.

Gimbaling +/- 45 degree. Propellants are fed from main engine (NK-15, NK-33) turbopumps.

Bibliography and Further Reading

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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