Bentley BR2 aircraft engine
E728788
The Bentley BR2 aircraft engine is a powerful British World War I–era rotary aero engine, notable as one of the largest and most advanced of its type to see operational service.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bentley BR2 aircraft engine canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8349741 — 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: Bentley BR2 aircraft engine Context triple: [W. O. Bentley, designed, Bentley BR2 aircraft engine]
-
A.
Bristol Jupiter engine
The Bristol Jupiter engine is a British air-cooled radial aircraft engine from the early 20th century that became widely used and influential in both military and civilian aviation.
-
B.
Rolls-Royce Avon engine
The Rolls-Royce Avon engine is a pioneering British axial-flow turbojet developed in the late 1940s that powered numerous military and civilian aircraft, including early jet airliners and fighters.
-
C.
Bristol Centaurus radial engine
The Bristol Centaurus radial engine was a powerful British air-cooled sleeve-valve aircraft engine used in late World War II and early postwar high-performance aircraft.
-
D.
Bristol radial engine family
The Bristol radial engine family is a series of influential air-cooled aircraft engines developed in the early 20th century that powered many British and international military and civilian aircraft.
-
E.
Rolls-Royce Kestrel engine
The Rolls-Royce Kestrel engine is a British liquid-cooled V-12 aircraft piston engine of the interwar period that powered numerous notable military aircraft and helped establish Rolls-Royce’s reputation in aero engine design.
- 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: Bentley BR2 aircraft engine Target entity description: The Bentley BR2 aircraft engine is a powerful British World War I–era rotary aero engine, notable as one of the largest and most advanced of its type to see operational service.
-
A.
Bristol Jupiter engine
The Bristol Jupiter engine is a British air-cooled radial aircraft engine from the early 20th century that became widely used and influential in both military and civilian aviation.
-
B.
Rolls-Royce Avon engine
The Rolls-Royce Avon engine is a pioneering British axial-flow turbojet developed in the late 1940s that powered numerous military and civilian aircraft, including early jet airliners and fighters.
-
C.
Bristol Centaurus radial engine
The Bristol Centaurus radial engine was a powerful British air-cooled sleeve-valve aircraft engine used in late World War II and early postwar high-performance aircraft.
-
D.
Bristol radial engine family
The Bristol radial engine family is a series of influential air-cooled aircraft engines developed in the early 20th century that powered many British and international military and civilian aircraft.
-
E.
Rolls-Royce Kestrel engine
The Rolls-Royce Kestrel engine is a British liquid-cooled V-12 aircraft piston engine of the interwar period that powered numerous notable military aircraft and helped establish Rolls-Royce’s reputation in aero engine design.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft engine
ⓘ
piston engine ⓘ rotary engine ⓘ |
| application |
fighter aircraft
ⓘ
training aircraft ⓘ |
| category |
Bentley aircraft engines
ⓘ
World War I aircraft piston engines ⓘ rotary aircraft engines ⓘ |
| coolingSystem | air-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| cylinderArrangement | single-row radial ⓘ |
| designer | W. O. Bentley NERFINISHED ⓘ |
| displacement | approx. 25 litres ⓘ |
| engineConfiguration | rotary ⓘ |
| era | World War I era ⓘ |
| fuelType | aviation gasoline ⓘ |
| historicalSignificance |
last major rotary engine to see widespread service
ⓘ
represented peak development of British rotary aero engines ⓘ |
| ignitionSystem | magneto ignition ⓘ |
| manufacturer | Bentley Motors Limited NERFINISHED ⓘ |
| materialUsed |
aluminium components
ⓘ
steel components ⓘ |
| notableFeature |
advanced design for a rotary engine
ⓘ
one of the largest rotary aero engines to see operational service ⓘ |
| numberOfCylinders | 9 ⓘ |
| powerOutput |
about 230 horsepower
ⓘ
approximately 170 kilowatts ⓘ |
| productionStatus | out of production ⓘ |
| rotationDirection | engine and propeller rotate together ⓘ |
| serviceEntry | 1918 ⓘ |
| successorTo | Bentley BR1 NERFINISHED ⓘ |
| usedBy |
Royal Air Force
ⓘ
Royal Flying Corps NERFINISHED ⓘ |
| usedInConflict | World War I ⓘ |
| usedInRole |
front-line fighter powerplant
ⓘ
postwar trainer powerplant ⓘ |
| usedOnAircraft |
Gloster Sparrowhawk
NERFINISHED
ⓘ
Nieuport Nighthawk NERFINISHED ⓘ Sopwith Salamander NERFINISHED ⓘ Sopwith Snipe NERFINISHED ⓘ |
| valvetrain | overhead valve ⓘ |
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: Bentley BR2 aircraft engine Description of subject: The Bentley BR2 aircraft engine is a powerful British World War I–era rotary aero engine, notable as one of the largest and most advanced of its type to see operational service.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.