RD-191 rocket engine

E941344

The RD-191 rocket engine is a modern Russian liquid-fueled, single-chamber engine used on launch vehicles such as Angara, known for its high efficiency and advanced throttle capability.

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Observed surface forms (1)

Surface form Occurrences
RD-191 0

Statements (48)

Predicate Object
instanceOf liquid-fueled rocket engine
rocket engine
application launch vehicle booster engine
combustionChamberArrangement single-chamber
combustionType high-pressure staged combustion
controlSystem digital engine control unit
coolingMethod regenerative cooling
countryOfOrigin Russia
countryUser Russian Federation NERFINISHED
designLineage RD-170 family NERFINISHED
RD-180 NERFINISHED
developer NPO Energomash NERFINISHED
engineCycle oxidizer-rich staged combustion
era 21st century
familyVariant RD-151 NERFINISHED
RD-181
fuel RP-1 kerosene
fuelMixture LOX/RP-1
fuelState room-temperature liquid
gimbalAxes two-axis
gimbalCapability yes
intendedUse modular Angara launch system
launchVehicleFamily Angara family NERFINISHED
manufacturer NPO Energomash NERFINISHED
marketSegment medium to heavy-lift launch vehicles
notableFeature deep throttling capability
derived from multi-chamber RD-170 design
high efficiency
numberOfCombustionChambers 1
originProgram Russian space program NERFINISHED
oxidizer liquid oxygen
oxidizerState cryogenic liquid
propellantCombination cryogenic oxidizer and kerosene fuel
propellantFeedSystem turbopump
propellantState liquid
propellantType liquid
reusability designed for multiple starts on test stands
safetyFeature wide throttling range for flight control
stageApplication first stage
status operational
throttleCapability advanced
throttleRange 27–105 percent of nominal thrust
thrustVectorControl gimbaled nozzle
usedFor orbital launch
suborbital launch tests
usedOnLaunchVehicle Angara-1.2 NERFINISHED
Angara-A3 NERFINISHED
Angara-A5 NERFINISHED

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

NPO Energomash products RD-191 rocket engine