Clerget 9B rotary engine
E920442
The Clerget 9B rotary engine was a widely used French World War I aircraft engine known for powering many Allied fighters and seaplanes.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Clerget 9B rotary engine canonical | 2 |
| Clerget 9Z rotary engine | 1 |
| Clerget rotary engines | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11340940 — 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: Clerget 9B rotary engine Context triple: [Sopwith Baby, powerplant, Clerget 9B rotary engine]
-
A.
Wankel rotary engine
The Wankel rotary engine is an internal combustion engine that uses a rotating triangular rotor instead of reciprocating pistons, known for its compact size, smooth operation, and use in select Mazda sports cars.
-
B.
Le Rhône 9‑cylinder rotary engine family
The Le Rhône 9‑cylinder rotary engine family was a widely used series of early 20th-century air-cooled aircraft engines that powered many Allied and Central Powers fighter and reconnaissance planes during World War I.
-
C.
Gnome Monosoupape rotary engine
The Gnome Monosoupape rotary engine was a widely used early 20th-century French aircraft engine known for its single-valve-per-cylinder design and extensive use in World War I fighter planes.
-
D.
Continental R975 radial engine
The Continental R975 radial engine is a nine-cylinder air-cooled gasoline aircraft engine widely adapted during World War II to power U.S. armored vehicles, most notably the M4 Sherman medium tank.
-
E.
Mitsubishi Kinsei radial engine
The Mitsubishi Kinsei was a Japanese air-cooled radial aircraft engine widely used in World War II combat aircraft.
- 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: Clerget 9B rotary engine Target entity description: The Clerget 9B rotary engine was a widely used French World War I aircraft engine known for powering many Allied fighters and seaplanes.
-
A.
Wankel rotary engine
The Wankel rotary engine is an internal combustion engine that uses a rotating triangular rotor instead of reciprocating pistons, known for its compact size, smooth operation, and use in select Mazda sports cars.
-
B.
Le Rhône 9‑cylinder rotary engine family
The Le Rhône 9‑cylinder rotary engine family was a widely used series of early 20th-century air-cooled aircraft engines that powered many Allied and Central Powers fighter and reconnaissance planes during World War I.
-
C.
Gnome Monosoupape rotary engine
The Gnome Monosoupape rotary engine was a widely used early 20th-century French aircraft engine known for its single-valve-per-cylinder design and extensive use in World War I fighter planes.
-
D.
Continental R975 radial engine
The Continental R975 radial engine is a nine-cylinder air-cooled gasoline aircraft engine widely adapted during World War II to power U.S. armored vehicles, most notably the M4 Sherman medium tank.
-
E.
Mitsubishi Kinsei radial engine
The Mitsubishi Kinsei was a Japanese air-cooled radial aircraft engine widely used in World War II combat aircraft.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
piston aircraft engine
ⓘ
rotary aircraft engine ⓘ |
| application |
naval aircraft
ⓘ
single-seat fighters ⓘ two-seat reconnaissance aircraft ⓘ |
| bore | 120 mm ⓘ |
| category |
French aircraft engines
ⓘ
World War I aircraft engines ⓘ rotary engines ⓘ |
| configuration | 9-cylinder rotary ⓘ |
| coolingSystem | air-cooled ⓘ |
| countryOfOrigin | France ⓘ |
| designer | Pierre Clerget ⓘ |
| displacement | about 16.3 L ⓘ |
| era | 1910s ⓘ |
| fuelType | gasoline ⓘ |
| historicalSignificance | one of the most widely used Allied rotary engines of World War I ⓘ |
| ignitionSystem | dual magnetos ⓘ |
| licenseBuiltBy |
Gwynnes Limited
ⓘ
Ruston Proctor ⓘ other British manufacturers ⓘ |
| licenseBuiltIn | United Kingdom ⓘ |
| manufacturer | Clerget-Blin ⓘ |
| material |
aluminium crankcase
ⓘ
steel cylinders ⓘ |
| notableFeature |
relatively low fuel consumption for a rotary engine
ⓘ
throttleable power compared to some contemporary rotaries ⓘ |
| powerOutput |
130 hp
ⓘ
approximately 97 kW ⓘ |
| productionPeriod | circa 1915–1918 ⓘ |
| propellerDrive | direct drive ⓘ |
| rotationDirection | counter-clockwise when viewed from cockpit ⓘ |
| stroke | 160 mm ⓘ |
| successor |
Clerget 9Bf
ⓘ
linked to:
Clerget 9B
Clerget 9Bf-powered variants of later aircraft ⓘ |
| usedAs |
fighter aircraft engine
ⓘ
reconnaissance aircraft engine ⓘ trainer aircraft engine ⓘ |
| usedBy |
Allied powers in World War I
ⓘ
French military aviation ⓘ
linked to:
French Naval Aviation
Royal Flying Corps ⓘ Royal Naval Air Service ⓘ United States Army Air Service ⓘ |
| usedInConflict | World War I ⓘ |
| usedOnAircraft |
Sopwith 1½ Strutter
ⓘ
Sopwith Camel ⓘ Sopwith Pup ⓘ Sopwith Triplane ⓘ various Allied seaplanes ⓘ |
| valvetrain | single overhead valve per cylinder ⓘ |
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: Clerget 9B rotary engine Description of subject: The Clerget 9B rotary engine was a widely used French World War I aircraft engine known for powering many Allied fighters and seaplanes.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Clerget 9B rotary engine
linked to: Clerget 9B rotary engine