| gptkbp:instanceOf | gptkb:piston_engine 
 | 
                        
                            
                                | gptkbp:basedOn | gptkb:Rolls-Royce_Merlin 
 | 
                        
                            
                                | gptkbp:bore | 5.4 in 
 | 
                        
                            
                                | gptkbp:compressionRatio | 6.0:1 
 | 
                        
                            
                                | gptkbp:configuration | V-12 
 | 
                        
                            
                                | gptkbp:coolingSystem | liquid-cooled 
 | 
                        
                            
                                | gptkbp:countryOfOrigin | gptkb:United_States 
 | 
                        
                            
                                | gptkbp:displacement | 1650 cubic inches 
 | 
                        
                            
                                | gptkbp:firstFlight | 1942 
 | 
                        
                            
                                | gptkbp:fuelType | gptkb:carburetor aviation gasoline
 
 | 
                        
                            
                                | gptkbp:ignition | dual magneto 
 | 
                        
                            
                                | gptkbp:manufacturer | gptkb:Packard 
 | 
                        
                            
                                | gptkbp:notableFor | enabling high-altitude performance in P-51 Mustang 
 | 
                        
                            
                                | gptkbp:notableUser | gptkb:Royal_Air_Force gptkb:United_States_Army_Air_Forces
 
 | 
                        
                            
                                | gptkbp:numberBuilt | over 55,000 
 | 
                        
                            
                                | gptkbp:powerOutput | up to 1,720 hp 
 | 
                        
                            
                                | gptkbp:predecessor | gptkb:Rolls-Royce_Merlin 
 | 
                        
                            
                                | gptkbp:productionStartYear | 1941–1946 
 | 
                        
                            
                                | gptkbp:stroke | 6.0 in 
 | 
                        
                            
                                | gptkbp:successor | none 
 | 
                        
                            
                                | gptkbp:supercharger | two-stage 
 | 
                        
                            
                                | gptkbp:usedDuring | gptkb:World_War_II 
 | 
                        
                            
                                | gptkbp:usedInAircraft | gptkb:aircraft gptkb:Curtiss_P-40F
 
 | 
                        
                            
                                | gptkbp:valvetrain | single overhead camshaft per bank 
 | 
                        
                            
                                | gptkbp:weight | 1,640 lb 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:P-40F gptkb:P-51D_Mustang_'Fury'
 gptkb:P-51D_Mustang_'Red_Baron'
 gptkb:P-51D_Mustang_'September_Fury'
 gptkb:P-51D_Mustang_'White_Lightning'
 gptkb:Curtiss_P-40F/L_Warhawk
 gptkb:North_American_Mustang
 gptkb:Curtiss_P-40F
 gptkb:F-82_Twin_Mustang
 gptkb:Twin_Mustang
 gptkb:F-51_Mustang
 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Packard V-1650 Merlin 
 |