Le Rhône 9‑cylinder rotary engine family

E466942
aircraft piston engine aircraft piston engine family air‑cooled aircraft engine rotary aircraft engine

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.

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Observed surface forms (4)

Surface form Occurrences
Oberursel U.0 rotary engine 1
Oberursel UR.II rotary engine 1
Le Rhône 9C 0

Statements (45)

Predicate Object
instanceOf aircraft piston engine ⓘ
aircraft piston engine ⓘ
aircraft piston engine family ⓘ
air‑cooled aircraft engine ⓘ
rotary aircraft engine ⓘ
application military aviation ⓘ
training aircraft ⓘ
bore 105 mm ⓘ
coolingSystem air‑cooled ⓘ
countryOfOrigin France ⓘ
cylinderConfiguration single‑row rotary ⓘ
displacement 11.3 L ⓘ
era World War I NERFINISHED ⓘ
family Le Rhône 9‑cylinder rotary engine family NERFINISHED ⓘ
firstFlightEra pre‑World War I ⓘ
fuelType gasoline ⓘ
ignitionSystem magneto ignition ⓘ
licenseBuiltAs Oberursel U.0 NERFINISHED ⓘ
Oberursel U.I NERFINISHED ⓘ
manufacturer Société des Moteurs Le Rhône NERFINISHED ⓘ
notableFeature front‑mounted induction pipes ⓘ
hollow crankshaft induction system ⓘ
relatively low fuel consumption for a rotary engine ⓘ
notableVariant Le Rhône 9C NERFINISHED ⓘ
Le Rhône 9J NERFINISHED ⓘ
numberOfCylinders 9 ⓘ
powerOutput 110 hp ⓘ
60 kW ⓘ
80 hp ⓘ
82 kW ⓘ
productionPeriod 1910s ⓘ
stroke 140 mm ⓘ
successor Gnome‑Rhône radial engines NERFINISHED ⓘ
usedBy Allied Powers NERFINISHED ⓘ
Central Powers NERFINISHED ⓘ
usedInAircraft Fokker E.III (license‑built) NERFINISHED ⓘ
Nieuport 11 NERFINISHED ⓘ
Nieuport 17 NERFINISHED ⓘ
Sopwith Camel (license‑built variants) NERFINISHED ⓘ
Sopwith Pup NERFINISHED ⓘ
usedInConflict World War I ⓘ
usedInRole fighter aircraft propulsion ⓘ
reconnaissance aircraft propulsion ⓘ
valveArrangement two valves per cylinder ⓘ
valvetrain single overhead camshaft ⓘ

Referenced by (3)

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

Le Rhône 9J → family → Le Rhône 9‑cylinder rotary engine family ⓘ
Fokker Dr.I → powerplant → Le Rhône 9‑cylinder rotary engine family ⓘ
this entity surface form: Oberursel UR.II rotary engine
Fokker Eindecker series → powerplantExample → Le Rhône 9‑cylinder rotary engine family ⓘ
this entity surface form: Oberursel U.0 rotary engine