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gptkbp:instance_of
|
gptkb:engine
|
|
gptkbp:application
|
gptkb:aircraft
|
|
gptkbp:certification
|
military certification
|
|
gptkbp:compression_ratio
|
6.5:1
|
|
gptkbp:cooling_system
|
gptkb:fandom
liquid-cooled
|
|
gptkbp:displacement
|
2500 cubic inches
|
|
gptkbp:emissions_standard
|
standard emissions
|
|
gptkbp:engine
|
gptkb:battle
high performance
limited production
V engine
high reliability
historical significance in aviation.
good efficiency
liquid-cooled V-12
1200 hp at 2800 rpm
4 M-2500-4
Packard 4 M series
Packard design
|
|
gptkbp:engine_type
|
reciprocating engine
|
|
gptkbp:first_flight
|
1940s
|
|
gptkbp:fuel_capacity
|
approximately 2 feet
approximately 3 feet
approximately 6 feet
|
|
gptkbp:fuel_type
|
aviation gasoline
carbureted
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Packard 4 M-2500-4
|
|
gptkbp:ignition_system
|
spark ignition
|
|
gptkbp:is_tested_for
|
extensive testing
|
|
gptkbp:maintenance
|
moderate maintenance
|
|
gptkbp:manufacturer
|
gptkb:Packard_Motor_Car_Company
|
|
gptkbp:noise_level
|
low vibration
moderate noise
|
|
gptkbp:notable_users
|
gptkb:aircraft
|
|
gptkbp:power_output
|
1200 horsepower
|
|
gptkbp:production_years
|
1940s to 1950s
|
|
gptkbp:setting
|
V-12
|
|
gptkbp:successor
|
gptkb:Packard_V-1650
|
|
gptkbp:torque
|
gptkb:unknown
pressure lubrication
|
|
gptkbp:type
|
V-12 engine
|
|
gptkbp:used_in
|
gptkb:aircraft
|
|
gptkbp:valve_configuration
|
overhead valves
|
|
gptkbp:weight
|
approximately 1,500 pounds
|
|
gptkbp:bfsParent
|
gptkb:Packard_4_M-2500_engines
|
|
gptkbp:bfsLayer
|
8
|