Liberty L-12
E111134
The Liberty L-12 is a World War I–era American 12-cylinder liquid-cooled aircraft engine widely used to power Allied military aircraft.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Liberty L-12 canonical | 1 |
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
V-12 engine
ⓘ
aircraft engine ⓘ liquid-cooled engine ⓘ |
| bore | 5 inches ⓘ |
| compressionRatio | about 5.4:1 ⓘ |
| configuration | 60-degree V-12 ⓘ |
| coolingSystem | liquid-cooled ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| cylinders | 12 ⓘ |
| developer |
Elbert J. Hall
NERFINISHED
ⓘ
Jesse G. Vincent ⓘ |
| displacement |
1649 cubic inches
ⓘ
27.0 liters ⓘ |
| era | World War I era ⓘ |
| firstRun | 1917 ⓘ |
| fuelType | gasoline ⓘ |
| legacy | influential in later American aircraft engine design ⓘ |
| manufacturer |
Buick
ⓘ
Cadillac ⓘ Ford Motor Company ⓘ General Motors ⓘ Ford Motor Company ⓘ
surface form:
Lincoln Motor Company
Mack Trucks ⓘ Marmon Group ⓘ
surface form:
Nordyke and Marmon Company
Packard Motor Car Company ⓘ |
| notableApplication |
Airco DH-9A (U.S.-supplied)
ⓘ
Caproni bombers (U.S.-supplied) ⓘ Curtiss H-16 flying boat ⓘ DH-4 ⓘ Handley Page O/400 ⓘ
surface form:
Handley Page O/400 (U.S.-built variants)
Martin MB-1 ⓘ |
| notableFeature |
interchangeable parts
ⓘ
standardized design for mass production ⓘ |
| postwarUse |
airship powerplants
ⓘ
civil aircraft ⓘ high-speed boats ⓘ racing boats ⓘ |
| powerOutput |
about 400 horsepower
ⓘ
approximately 298 kilowatts ⓘ |
| productionPeriod | 1917–1920s ⓘ |
| productionQuantity | over 20,000 units ⓘ |
| stroke | 7 inches ⓘ |
| usedBy |
Allies of World War II
ⓘ
surface form:
Allied powers
Royal Air Force ⓘ United States Army Air Service ⓘ |
| usedFor |
bombers
ⓘ
fighters (limited) ⓘ flying boats ⓘ reconnaissance aircraft ⓘ |
| usedInConflict | World War I ⓘ |
| valvetrain | single overhead camshaft ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.