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RD-0146
RD-0146engine.jpg
Model of RD-0146
Country of origin  Russia
Date 2001
Designer KBKhA Design Bureau
Manufacturer TsSKB Progress
Application Upper stage booster
Predecessor RD-0124
Status In use
Liquid-fuel engine
Propellant LOX / LH2
Cycle Expander cycle
Performance
Thrust (vac.) 98.100 kN (22,054 lbf)
Chamber pressure 79.00 bar
Isp (vac.) 463 seconds (4.54 km/s)
Dimensions
Length 2.2 m
Diameter 0.71 m
Dry weight 242 kg


The RD-0146 is a Russian cryogenic rocket engine. It is said to be the Russian version of the Pratt & Whitney Rocketdyne RL10 engine.[1][full citation needed] The RD-0146 engine was developed by KBKhA design bureau in Voronezh, Russia, in cooperation with the American Pratt & Whitney Rocketdyne company. In 2009, it came into prominence, as Russian space agency chose it for the second-stage of the Rus-M launch vehicle designed to carry the future Russian PPTS manned spacecraft.[2][full citation needed]

Development[edit]

In 1999, Khrunichev requested KBKhA to develop RD-0146U version of the engine for Proton and Angara rockets. The development of the engine was partially financed by Pratt & Whitney Rocketdyne. Pratt & Whitney signed a preliminary marketing agreement on April 7, 2000 with Russia’s Chemical Automatics Design Bureau giving Pratt & Whitney exclusive international marketing rights to the RD-0146.[2]

Description[edit]

The RD-0146 is the first Russian rocket engine not to feature a gas generator and to be equipped with extendable nozzle extension without a cooling system. The engine is capable of multiple firings and thrust control in two planes. According to the developer, the lack of generator ensures high reliability of the engine for multiple firings.[citation needed]

See also[edit]

References[edit]

External links[edit]


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/RD-0146 — Please support Wikipedia.
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