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gptkbp:instanceOf
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aircraft engine
|
|
gptkbp:aircraft
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gptkb:De_Havilland_DH.4
gptkb:Boeing_40
gptkb:Boeing_75_Stearman
gptkb:Curtiss_JN-4
gptkb:Handley_Page_O/400
gptkb:Martin_MB-1
Vickers Vimy
Sopwith Camel
|
|
gptkbp:application
|
gptkb:World_War_I_aircraft
|
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gptkbp:bore
|
5.5 in
|
|
gptkbp:compressionRatio
|
5.5:1
|
|
gptkbp:controls
|
throttle control
|
|
gptkbp:coolingSystem
|
liquid cooling
water-cooled
|
|
gptkbp:design
|
Liberty_L-12_design_team
|
|
gptkbp:displacement
|
27.0 L
|
|
gptkbp:drivetrain
|
overhead valve
|
|
gptkbp:engine
|
V12 layout
|
|
gptkbp:engineConfiguration
|
V engine
|
|
gptkbp:engineType
|
several variants developed
|
|
gptkbp:firstFlight
|
1917
|
|
gptkbp:fuel_capacity
|
dry sump
|
|
gptkbp:fuelType
|
aviation gasoline
carburetor
magneto ignition
|
|
gptkbp:hasArea
|
extensive testing during development
|
|
gptkbp:historical_significance
|
important in aviation history
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Liberty L-12U engine
|
|
gptkbp:inspiration
|
gptkb:Liberty_L-12_engine
|
|
gptkbp:is_used_in
|
military aircraft
|
|
gptkbp:legacy
|
influenced future aircraft engine designs
|
|
gptkbp:manufacturer
|
gptkb:Liberty_Engine_Company
|
|
gptkbp:notableUsers
|
gptkb:United_States_Army_Air_Service
|
|
gptkbp:performances
|
high reliability
high power-to-weight ratio
moderate maintenance requirements
approximately 1,000 hours
|
|
gptkbp:powerOutput
|
400 hp
|
|
gptkbp:productionYears
|
1917-1920
|
|
gptkbp:propulsion
|
variable pitch propeller
|
|
gptkbp:purpose
|
military aviation
|
|
gptkbp:replacedBy
|
gptkb:Wright_R-2600
|
|
gptkbp:setting
|
liquid-cooled
|
|
gptkbp:stroke
|
6.0 in
|
|
gptkbp:successor
|
Liberty L-12
|
|
gptkbp:type
|
gptkb:V12_engine
|
|
gptkbp:weight
|
600 lb
|