Statements (27)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:piston_engine | 
| gptkbp:application | gptkb:aircraft boats tanks | 
| gptkbp:bore | 5 inches | 
| gptkbp:configuration | V12 | 
| gptkbp:coolingSystem | liquid-cooled | 
| gptkbp:countryOfOrigin | gptkb:United_States | 
| gptkbp:designer | gptkb:Elbert_J._Hall gptkb:Jesse_G._Vincent | 
| gptkbp:displacement | 27 liters | 
| gptkbp:firstFlight | 1917 | 
| gptkbp:fuelType | gptkb:gasoline | 
| gptkbp:manufacturer | gptkb:Packard_Motor_Car_Company | 
| gptkbp:notableFor | mass production rapid development during World War I | 
| gptkbp:numberBuilt | over 20,000 | 
| gptkbp:powerOutput | 400 hp | 
| gptkbp:productionStartYear | 1917–1919 | 
| gptkbp:stroke | 7 inches | 
| gptkbp:usedIn | gptkb:De_Havilland_DH.4 gptkb:Liberty_V-12_tank gptkb:Lincoln_limousine gptkb:Curtiss_NC_flying_boat | 
| gptkbp:bfsParent | gptkb:4_×_Liberty_L-12_V12_engines | 
| gptkbp:bfsLayer | 5 | 
| https://www.w3.org/2000/01/rdf-schema#label | Liberty L-12 |