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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:military_aircraft
civil aircraft
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gptkbp:bore
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5.5 inches
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gptkbp:compression_ratio
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6.5:1
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gptkbp:configuration
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air-cooled
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gptkbp:cooling_system
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air-cooled
air cooling
air-cooled method
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gptkbp:displacement
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975 cubic inches
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gptkbp:engine
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gptkb:Wright_R-900_series
gptkb:Wright_R-975_family
significant in aviation history
legacy in military aviation
developed during the 1930s
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gptkbp:engine_configuration
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9-cylinder
radial layout
radial design
detailed specifications available.
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gptkbp:engine_operational_altitude
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operational at various altitudes
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gptkbp:engine_power
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high reliability
high power-to-weight ratio
long lifespan
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gptkbp:engine_torque_characteristics
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good torque characteristics
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gptkbp:engine_type
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reciprocating engine
several variants produced
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gptkbp:fuel_economy
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moderate fuel consumption
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gptkbp:fuel_type
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aviation gasoline
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https://www.w3.org/2000/01/rdf-schema#label
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Wright R-975-N1
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gptkbp:ignition_system
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magneto ignition
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gptkbp:maintenance
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moderate maintenance requirements
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gptkbp:manufacturer
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gptkb:Wright_Aeronautical_Corporation
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gptkbp:noise_level
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moderate vibration
notable noise level
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gptkbp:number_of_engines
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gptkb:9
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gptkbp:original_run
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1930s
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gptkbp:power_output
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450 horsepower
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gptkbp:production_years
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1930s to 1940s
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gptkbp:propeller
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variable-pitch propeller
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gptkbp:propulsion
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significant thrust generation
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gptkbp:stroke
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6.0 inches
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gptkbp:successor
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gptkb:Wright_R-1820
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gptkbp:torque
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high torque output
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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:Boeing_B-17_Flying_Fortress
gptkb:C-46_Commando
gptkb:P-47_Thunderbolt
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gptkbp:valve_configuration
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pushrod
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gptkbp:weight
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approximately 600 pounds
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gptkbp:bfsParent
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gptkb:Wright_R-975
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gptkbp:bfsLayer
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7
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