Lion II

E878361

Lion II was an improved variant of the Napier Lion aircraft engine, featuring refinements in performance and reliability over the original design.

All labels observed (4)

Label Occurrences
Lion II canonical 2
Napier Lion I 1
Napier Lion II 1

How this entity was disambiguated

Statements (25)

Predicate Object
instanceOf Napier Lion variant
aircraft engine
application aircraft propulsion
basedOn Napier Lion
configuration W-12 engine
coolant water
coolingSystem liquid-cooled
countryOfOrigin United Kingdom
cycle four-stroke
cylinderCount 12
designGoal improved performance over Napier Lion I
improved reliability over Napier Lion I
era 1920s
family Napier Lion engine family
fuelType aviation gasoline
ignitionSystem dual ignition
manufacturer D. Napier & Son
manufacturerType production engine
materialUse aluminium alloy components
powerTransmission direct drive propeller
predecessor Napier Lion I
linked to: Lion II
primaryUse air-cooled radiator-equipped aircraft
usedIn civil aircraft
military aircraft
valvetrain dual overhead camshafts

How these facts were elicited

Referenced by (5)

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

Napier Lion notableVariant Lion II
Napier Lion engine family notableVariant Napier Lion II
linked to: Lion II
Napier Lion engine family notableVariant Napier Lion III
linked to: Lion II
Lion II predecessor Napier Lion I
linked to: Lion II
Lion III predecessor Lion II