RD-191
E437691
The RD-191 is a modern Russian liquid-fueled rocket engine designed for high efficiency and reliability, primarily used to power the Angara family of launch vehicles.
All labels observed (2)
| Label | Occurrences |
|---|---|
| RD-191 canonical | 1 |
| RD-191 engine | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4406608 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: RD-191 Context triple: [Angara rocket family, notableEngine, RD-191]
-
A.
SR-91
SR-91 is a state highway designation commonly used in the United States for a numbered route within a state's road network.
-
B.
G3 battle rifle
The G3 battle rifle is a widely used 7.62×51mm NATO select-fire rifle developed in the 1950s and adopted by numerous armed forces around the world.
-
C.
Type 99 rifle
The Type 99 rifle was a World War II-era Japanese bolt-action military rifle known for its robust design, use of 7.7×58mm ammunition, and service as a standard infantry weapon in the later years of the war.
-
D.
Weapon System 107A-1
Weapon System 107A-1 was the U.S. Air Force development program under which the SM-65 Atlas, America’s first operational intercontinental ballistic missile, was created.
-
E.
Stinger
Stinger is the anthropomorphic green hornet mascot of the NHL’s Columbus Blue Jackets, known for his energetic presence at games and team events.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: RD-191 Target entity description: The RD-191 is a modern Russian liquid-fueled rocket engine designed for high efficiency and reliability, primarily used to power the Angara family of launch vehicles.
-
A.
SR-91
SR-91 is a state highway designation commonly used in the United States for a numbered route within a state's road network.
-
B.
G3 battle rifle
The G3 battle rifle is a widely used 7.62×51mm NATO select-fire rifle developed in the 1950s and adopted by numerous armed forces around the world.
-
C.
Type 99 rifle
The Type 99 rifle was a World War II-era Japanese bolt-action military rifle known for its robust design, use of 7.7×58mm ammunition, and service as a standard infantry weapon in the later years of the war.
-
D.
Weapon System 107A-1
Weapon System 107A-1 was the U.S. Air Force development program under which the SM-65 Atlas, America’s first operational intercontinental ballistic missile, was created.
-
E.
Stinger
Stinger is the anthropomorphic green hornet mascot of the NHL’s Columbus Blue Jackets, known for his energetic presence at games and team events.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
liquid-fueled rocket engine
ⓘ
rocket engine ⓘ |
| agencyCustomer | Roscosmos NERFINISHED ⓘ |
| application | modular launch vehicle cores ⓘ |
| chamberPressure | about 262 bar ⓘ |
| combustionChamberArrangement | single-chamber version of RD-170 family ⓘ |
| combustionType | high-pressure staged combustion ⓘ |
| coolingMethod | regenerative cooling ⓘ |
| countryOfOrigin | Russia ⓘ |
| derivativeOf |
RD-170
NERFINISHED
ⓘ
RD-171 ⓘ |
| designedFor |
high efficiency
ⓘ
high reliability ⓘ |
| engineCycle | oxidizer-rich staged combustion ⓘ |
| engineType | liquid rocket engine ⓘ |
| firstFlight | 2014 ⓘ |
| generation | modern Russian rocket engine ⓘ |
| gimbalRange | up to 8 degrees ⓘ |
| intendedUse | first stage propulsion ⓘ |
| manufacturer | NPO Energomash NERFINISHED ⓘ |
| marketedBy | NPO Energomash NERFINISHED ⓘ |
| numberOfCombustionChambers | 1 ⓘ |
| oxidizer | liquid oxygen ⓘ |
| propellantFeedSystem | turbopump ⓘ |
| propellantType |
RP-1 kerosene
ⓘ
liquid oxygen ⓘ |
| relatedEngine | RD-180 NERFINISHED ⓘ |
| specificImpulseSeaLevel | about 311 s ⓘ |
| specificImpulseVacuum | about 337 s ⓘ |
| status | operational ⓘ |
| throttleCapability | deep throttling ⓘ |
| throttleRange | 27% to 105% ⓘ |
| thrustSeaLevel | about 1960 kN ⓘ |
| thrustVacuum | about 2120 kN ⓘ |
| usedFor |
Angara heavy-lift configurations
ⓘ
Angara light-lift configurations NERFINISHED ⓘ orbital launch vehicles ⓘ |
| usedOnStage | URM-1 universal rocket module NERFINISHED ⓘ |
| usedOnVehicle |
Angara launch vehicle family
NERFINISHED
ⓘ
Angara-1.2 first stage NERFINISHED ⓘ Angara-A5 first stage NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: RD-191 Description of subject: The RD-191 is a modern Russian liquid-fueled rocket engine designed for high efficiency and reliability, primarily used to power the Angara family of launch vehicles.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
RD-191 engine