Second test fire Of RD-191 engine
4 September 2001
Energomash successfully completed the second fire test of the RD-191 engine last week The test duration was 10 seconds. The engine is being developed for use in the first stage of the Angara family of launch vehicles (LV) including the Baikal reusable stage booster.
RD-191 is a Liquid Propellant Rocket Engine consuming LOX and kerosene with after-burning of oxidising gas-generator gas in the main combustion chamber. The engine has been designed based on the engines RD-170 and RD-171developed for the Energia and Zenit LVs respectively. Unlike the four-chamber RD-170 and RD-171, the RD-191 is a single chamber engine. The engine is equipped with a new turbo-pump of less power, one gas generator and a new system of propellant consumption rate control. Regulation of the thrust vector is provided through deflection of the main combustion chamber in two planes.
In March 1999 the engine mockup was delivered to the Khrunichev Space Centre for integration of the interface between the engine and the LV. The engine was demonstrated at the Paris Air Show in 1999 and 2001 and at the MAKS-2001 Air Show in Zhukovsky, mounted on Angara and Baikal LVs.
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