Russia's new RD-191 developed by NPO Energomash for use in the future Angara rocket system is an acheivement that rocket scientists have been working on for years. The RD-191 is a RE-USEABLE liquid rocket motor that is versatile enough to be used on the 1st or 2nd stage. Fueled by kerosene and LOX, the engine features four combustion chambers fed by a single turbopump. NPO Energomash reports that the RD-191 is ready for mass production.
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