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gptkbp:instance_of
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gptkb:jet_engine
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gptkbp:application
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gptkb:aircraft
gptkb:military_aircraft
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gptkbp:bore
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5.5 inches
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gptkbp:certification
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FAA certified
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gptkbp:compression_ratio
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6:1
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gptkbp:configuration
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14-cylinder
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gptkbp:cooling_system
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air-cooled
air cooling
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gptkbp:displacement
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4,000 cubic inches
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gptkbp:engine
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four-stroke
over 1,000 units produced
influenced future engine designs
used in WWII aircraft
R-4000 series
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gptkbp:engine_configuration
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radial
horizontally opposed
aircraft propulsion
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gptkbp:engine_number_of_cylinders
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gptkb:14
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gptkbp:engine_power
|
high reliability
good performance
2,700 RPM
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gptkbp:engine_type
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R-4000-1
R-4000-2
R-4000-3
R-4000-4
R-4000-5
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gptkbp:first_flight
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gptkb:1944
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gptkbp:fuel_capacity
|
3.5 feet
5.5 feet
4.5 feet
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gptkbp:fuel_type
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aviation gasoline
carbureted
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Pratt & Whitney R-4000
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gptkbp:ignition_system
|
spark ignition
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gptkbp:is_tested_for
|
extensively tested before production
|
|
gptkbp:maintenance
|
periodic inspections
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gptkbp:manufacturer
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gptkb:Pratt_&_Whitney
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gptkbp:noise_level
|
moderate noise
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gptkbp:notable_users
|
gptkb:Trans_World_Airlines
gptkb:United_States_Air_Force
gptkb:Pan_American_World_Airways
|
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gptkbp:power_output
|
1,500 horsepower
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gptkbp:production_years
|
1944-1950
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gptkbp:propeller
|
variable-pitch propeller
|
|
gptkbp:propulsion
|
thrust produced by propeller
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gptkbp:stroke
|
6.0 inches
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gptkbp:successor
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gptkb:Pratt_&_Whitney_R-4360
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|
gptkbp:torque
|
wet sump
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gptkbp:type
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gptkb:radial_engine
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gptkbp:used_in
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gptkb:Lockheed_Constellation
gptkb:Douglas_C-54_Skymaster
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gptkbp:valve_configuration
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pushrod actuated
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gptkbp:weight
|
1,800 pounds
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gptkbp:bfsParent
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gptkb:Pratt_&_Whitney_R-4360
gptkb:Pratt_&_Whitney_R-4360_Wasp_Major
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gptkbp:bfsLayer
|
6
|