NPO Energomash (part of Roscosmos) has completed testing of the RD-191M engine for the upgraded Angara-A5M launch vehicle, the state corporation's press service reported.
The purpose of the development tests was to confirm the engine's characteristics meet the requirements of the technical specifications. The tests were conducted at Energomash since January. The successful completion of the tests paves the way for the delivery of flight engines.
RD-191M is a 10% thrust-enhanced modification of the RD-191 oxygen-kerosene engine used on the Angara-1.2 light-class and Angara-A5 heavy-class launch vehicles.
The engine is intended for use on the upgraded Angara-A5M launch vehicle with increased payload capacity.
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