Rolls-Royce RB211
E79620
The Rolls-Royce RB211 is a high-bypass turbofan jet engine that was pioneering in its use of advanced materials and technology and became a cornerstone powerplant for wide-body airliners.
All labels observed (9)
| Label | Occurrences |
|---|---|
| Rolls-Royce RB211 canonical | 8 |
| RB211-22 | 1 |
| RB211-524 | 1 |
| RB211-535 | 1 |
| RB211-553 | 1 |
| Rolls-Royce RB211 engine | 1 |
| Rolls-Royce RB211 family | 1 |
| Rolls-Royce RB211 turbofan | 1 |
| Rolls-Royce RB211-535E4 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T633227 — 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: Rolls-Royce RB211 Context triple: [Boeing 747SP, engineModel, Rolls-Royce RB211]
-
A.
Pratt & Whitney JT9D
The Pratt & Whitney JT9D is a high-bypass turbofan jet engine that powered early wide-body airliners and was notably used on the original Boeing 747 series.
-
B.
Pratt & Whitney F117-PW-100
The Pratt & Whitney F117-PW-100 is a high-bypass turbofan jet engine used to power the Boeing C-17 Globemaster III military transport aircraft.
-
C.
Snecma M53
The Snecma M53 is a French afterburning turbofan jet engine developed by Snecma, best known for powering Dassault’s Mirage 2000 fighter aircraft.
-
D.
Rolls-Royce Griffon
The Rolls-Royce Griffon is a powerful British liquid-cooled V12 aero engine developed during World War II, best known for powering later, high-performance variants of the Supermarine Spitfire and other Royal Air Force aircraft.
-
E.
Eurojet EJ200
The Eurojet EJ200 is a modern afterburning turbofan jet engine developed for high-performance fighter aircraft, most notably powering the Eurofighter Typhoon.
- 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: Rolls-Royce RB211 Target entity description: The Rolls-Royce RB211 is a high-bypass turbofan jet engine that was pioneering in its use of advanced materials and technology and became a cornerstone powerplant for wide-body airliners.
-
A.
Pratt & Whitney JT9D
The Pratt & Whitney JT9D is a high-bypass turbofan jet engine that powered early wide-body airliners and was notably used on the original Boeing 747 series.
-
B.
Pratt & Whitney F117-PW-100
The Pratt & Whitney F117-PW-100 is a high-bypass turbofan jet engine used to power the Boeing C-17 Globemaster III military transport aircraft.
-
C.
Snecma M53
The Snecma M53 is a French afterburning turbofan jet engine developed by Snecma, best known for powering Dassault’s Mirage 2000 fighter aircraft.
-
D.
Rolls-Royce Griffon
The Rolls-Royce Griffon is a powerful British liquid-cooled V12 aero engine developed during World War II, best known for powering later, high-performance variants of the Supermarine Spitfire and other Royal Air Force aircraft.
-
E.
Eurojet EJ200
The Eurojet EJ200 is a modern afterburning turbofan jet engine developed for high-performance fighter aircraft, most notably powering the Eurofighter Typhoon.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
high-bypass turbofan
ⓘ
turbofan engine ⓘ |
| application |
narrow-body airliner
ⓘ
wide-body airliner ⓘ |
| bypassRatio | high-bypass ⓘ |
| certificationAuthority |
UK Civil Aviation Authority
ⓘ
surface form:
Civil Aviation Authority (UK)
Federal Aviation Administration ⓘ
surface form:
Federal Aviation Administration (US)
|
| configuration | three-spool ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designFeature |
annular combustor
ⓘ
axial-flow compressors ⓘ multi-stage turbine ⓘ |
| developedFor | Lockheed L-1011 TriStar ⓘ |
| family |
Rolls-Royce RB211
self-linksurface differs
ⓘ
surface form:
Rolls-Royce RB211 family
|
| firstRun | 1969 ⓘ |
| fuelType | aviation kerosene ⓘ |
| inService | yes ⓘ |
| introduced | early 1970s ⓘ |
| manufacturer |
Rolls-Royce Limited
ⓘ
surface form:
Rolls-Royce plc
|
| marketSegment | commercial aviation ⓘ |
| notableCustomer |
American Airlines
ⓘ
British Airways ⓘ Delta Air Lines ⓘ United Airlines ⓘ |
| notableFeature |
pioneering use of carbon-fibre fan (Hyfil) in early design
ⓘ
three-shaft architecture ⓘ use of advanced materials ⓘ use of wide-chord fan blades in later variants ⓘ |
| notableImpact |
cornerstone powerplant for wide-body airliners
ⓘ
foundation for Rolls-Royce Trent engine development ⓘ |
| programCostIssue | development cost overruns ⓘ |
| relatedEvent | contributed to Rolls-Royce bankruptcy in 1971 ⓘ |
| role | civil airliner engine ⓘ |
| status | out of production ⓘ |
| successor | Rolls-Royce Trent family ⓘ |
| thrustClass | around 37,000 to over 60,000 lbf ⓘ |
| usedOnAircraft |
Boeing 747
ⓘ
surface form:
Boeing 747-200
Boeing 747 ⓘ
surface form:
Boeing 747-300
Boeing 747 ⓘ
surface form:
Boeing 747-400
Boeing 757 ⓘ Boeing 767 ⓘ Lockheed L-1011 TriStar ⓘ Tupolev Tu-204 (historically) ⓘ
surface form:
Tupolev Tu-204
RAF VC10 ⓘ
surface form:
Vickers VC10 (testbed)
|
| variant |
Rolls-Royce RB211
self-linksurface differs
ⓘ
surface form:
RB211-22
Rolls-Royce RB211 self-linksurface differs ⓘ
surface form:
RB211-524
Rolls-Royce RB211 self-linksurface differs ⓘ
surface form:
RB211-535
Rolls-Royce RB211 self-linksurface differs ⓘ
surface form:
RB211-553
|
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: Rolls-Royce RB211 Description of subject: The Rolls-Royce RB211 is a high-bypass turbofan jet engine that was pioneering in its use of advanced materials and technology and became a cornerstone powerplant for wide-body airliners.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Rolls-Royce RB211 engine
this entity surface form:
Rolls-Royce RB211 family
this entity surface form:
RB211-22
this entity surface form:
RB211-524
this entity surface form:
RB211-535
this entity surface form:
RB211-553
this entity surface form:
Rolls-Royce RB211 turbofan
subject surface form:
Tupolev Tu-204
this entity surface form:
Rolls-Royce RB211-535E4
subject surface form:
Rolls-Royce Conway