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gptkbp:instance_of
|
gptkb:auto_race
|
|
gptkbp:bfsLayer
|
6
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|
gptkbp:bfsParent
|
gptkb:Liberty_L-12
|
|
gptkbp:application
|
gptkb:aircraft
|
|
gptkbp:bore
|
5.5 inches
|
|
gptkbp:compression_ratio
|
5.5:1
|
|
gptkbp:controls
|
mechanical throttle
|
|
gptkbp:cooling_system
|
liquid-cooled
water-cooled
|
|
gptkbp:cultural_impact
|
cultural significance during WWI
|
|
gptkbp:designed_by
|
gptkb:Packard_Motor_Car_Company
|
|
gptkbp:displacement
|
400 cubic inches
|
|
gptkbp:engine
|
gptkb:Liberty_engine_family
high performance
mass production
high reliability
widely used in military aircraft
detailed specifications available
innovative design features
manual start
V-12 layout
significant impact on aviation technology
cradle mount
high production rate achieved
rapid development during WWI
remains influential in aviation history
|
|
gptkbp:engine_type
|
multiple variants developed
various variants produced
|
|
gptkbp:first_introduced
|
gptkb:1917
|
|
gptkbp:fuel_capacity
|
wet sump
|
|
gptkbp:fuel_type
|
gptkb:product
aviation gasoline
|
|
gptkbp:historical_significance
|
pioneered aircraft engine technology
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Liberty engine series
|
|
gptkbp:ignition_system
|
spark ignition
|
|
gptkbp:influenced
|
subsequent aircraft engines
|
|
gptkbp:inspired_by
|
Liberty Bond campaign
|
|
gptkbp:is_tested_for
|
extensive testing conducted
|
|
gptkbp:maintenance
|
routine maintenance required
|
|
gptkbp:manufacturer
|
multiple manufacturers
|
|
gptkbp:notable_users
|
gptkb:United_States_Army_Air_Service
|
|
gptkbp:power_output
|
400 horsepower
|
|
gptkbp:production_location
|
gptkb:United_States
|
|
gptkbp:production_years
|
1917-1920
|
|
gptkbp:replaced_by
|
gptkb:Wright_R-1820
|
|
gptkbp:setting
|
V engine
|
|
gptkbp:stroke
|
6 inches
|
|
gptkbp:successor
|
gptkb:Wright_R-3350
|
|
gptkbp:type
|
gptkb:engine
|
|
gptkbp:used_in
|
gptkb:World_War_I
|
|
gptkbp:valve_configuration
|
overhead valve
|
|
gptkbp:variant
|
gptkb:Liberty_L-12
|
|
gptkbp:weight
|
600 pounds
|