Mercedes D.III

E633364

The Mercedes D.III was a widely used six-cylinder, water-cooled inline aircraft engine of World War I, powering many German fighter planes.

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Statements (44)

Predicate Object
instanceOf aircraft engine
inline engine
piston engine
water-cooled engine
application Albatros D.III NERFINISHED
Albatros D.V NERFINISHED
Albatros D.Va NERFINISHED
DFW C.V NERFINISHED
Pfalz D.III NERFINISHED
Pfalz D.IIIa NERFINISHED
Roland D.II NERFINISHED
Rumpler C.IV NERFINISHED
bore 140 mm
compressionRatio about 4.5:1
configuration six-cylinder inline
coolingSystem water-cooled
countryOfOrigin German Empire NERFINISHED
crankshaftSupport seven main bearings
cylinderArrangement inline
displacement 14.8 L
era 1910s
fuelSystem carbureted
fuelType gasoline
ignitionSystem dual magneto ignition
manufacturer Daimler-Motoren-Gesellschaft NERFINISHED
material aluminum crankcase
steel cylinders
notableFeature formed basis for improved D.IIIa series
widely used in German fighter aircraft
numberOfCylinders 6
powerOutput about 160 hp
productionEnd 1918
productionStart 1914
propellerDrive direct drive
serviceEntry 1914
stroke 160 mm
successor Mercedes D.IIIa NERFINISHED
Mercedes D.IIIaü NERFINISHED
usedBy Imperial German Air Service NERFINISHED
Luftstreitkräfte NERFINISHED
usedInConflict World War I
usedInRole fighter aircraft powerplant
reconnaissance aircraft powerplant
valvetrain single overhead camshaft

Referenced by (3)

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

Albatros D.III engineModel Mercedes D.III
Albatros C.III powerplant Mercedes D.III
Rumpler C.I powerplant Mercedes D.III