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RD-0146
Manufacturer Name: RD-0146. Designer: Kosberg. Developed in: 1998-. Application: Centaur upper stage (Atlas). Propellants: Lox/LH2. Thrust(vac): 100.000 kN (22 480 lbf). Isp: 470 sec. Chambers: 1. Country: Russia. Status: Design concept 1998-.

Proposed Russian version of RL10A-4-1 by Pratt & Whitney. Main modification are new turbopumps. May be derivative of RD-0128 project. Pratt & Whitney signed a preliminary marketing agreement on 7 April 2000 with Russia’s Chemical Automatics Design Bureau giving Pratt & Whitney exclusive international marketing rights to the RD-0146 which CADB had been developing for the new Angara rocket family. The RD-0146 thrust level fell between those of Pratt & Whitney’s workhorse RL-10 and the cancelled Euro-American SPW-2000.

Bibliography and Further Reading
  • Novosti kosmonavtiki, Issues. 21-22, 1998 via Dietrich Haeseler.
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