Napier Lion
E251808
The Napier Lion was a powerful British W12 aircraft engine widely used in high-performance military and racing aircraft during the 1920s and early 1930s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Napier Lion canonical | 1 |
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft engine
ⓘ
piston engine ⓘ water-cooled engine ⓘ |
| bore | 5 inches ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| cylinderArrangement | three banks of four cylinders ⓘ |
| cylinderCount | 12 ⓘ |
| designFeature |
aluminium alloy crankcase
ⓘ
compact broad-arrow W layout ⓘ integral reduction gear on some variants ⓘ separate cylinder blocks ⓘ |
| displacement | about 24 litres ⓘ |
| engineConfiguration |
Volkswagen Group W12
ⓘ
surface form:
W12
|
| enteredService | 1918 ⓘ |
| era |
1920s
ⓘ
1930s ⓘ |
| firstRunDate | 1917 ⓘ |
| fuelType | aviation gasoline ⓘ |
| manufacturer | D. Napier & Son ⓘ |
| notableApplication |
Airco DH.9A
ⓘ
Fairey IIIF ⓘ Gloster IV ⓘ Supermarine S.5 ⓘ Supermarine S.6 ⓘ Vickers Vimy ⓘ
surface form:
Vickers Vimy Commercial
|
| notableRecord |
powered aircraft to distance and altitude records
ⓘ
powered aircraft to several world airspeed records in the 1920s ⓘ |
| notableVariant |
Lion II
ⓘ
Lion III ⓘ Lion V ⓘ Napier Lion VIIA ⓘ
surface form:
Lion VIIB
Lion XI ⓘ |
| peakUsePeriod |
early 1920s
ⓘ
early 1930s ⓘ late 1920s ⓘ |
| powerOutput |
450 horsepower class (early versions)
ⓘ
over 1,000 horsepower (highly boosted racing versions) ⓘ |
| status | obsolete ⓘ |
| stroke | 5.5 inches ⓘ |
| successor |
Napier Rapier
ⓘ
surface form:
Napier Dagger
Napier Rapier ⓘ |
| usedBy |
Royal Air Force
ⓘ
Fleet Air Arm ⓘ
surface form:
Royal Navy Fleet Air Arm
|
| usedFor |
Schneider Trophy competition
ⓘ
surface form:
Schneider Trophy seaplane races
long-distance record flights ⓘ world speed record attempts ⓘ |
| usedIn |
military aircraft
ⓘ
racing aircraft ⓘ record-breaking aircraft ⓘ |
| valvesPerCylinder | four ⓘ |
| valvetrain | dual overhead camshafts per bank ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.