Pratt & Whitney R-985 radial engine

URI: https://gptkb.org/entity/Pratt_&_Whitney_R-985_radial_engine
GPTKB entity
Statements (29)
Predicate Object
gptkbp:instanceOf piston engine
gptkbp:bore 5.1875 in
gptkbp:compressionRatio 6:1
gptkbp:coolingSystem air-cooled
gptkbp:countryOfOrigin gptkb:United_States
gptkbp:displacement 985 cubic inches
gptkbp:engineType piston engine
gptkbp:firstFlight 1929
gptkbp:fuelType aviation gasoline
https://www.w3.org/2000/01/rdf-schema#label Pratt & Whitney R-985 radial engine
gptkbp:ignition dual magnetos
gptkbp:manufacturer gptkb:Pratt_&_Whitney
gptkbp:nickname gptkb:Wasp_Junior
gptkbp:notableFor reliability and widespread use in bush planes
gptkbp:numberOfEngines 9
gptkbp:powerOutput up to 450 hp
gptkbp:productionStartYear 1929–1953
gptkbp:stroke 5.75 in
gptkbp:supercharger single-stage, gear-driven
gptkbp:usedIn gptkb:Beechcraft_Model_18
gptkb:Lockheed_Model_10_Electra
gptkb:Grumman_Goose
gptkb:Cessna_195
gptkb:de_Havilland_Canada_DHC-2_Beaver
gptkbp:valveConfiguration overhead valve
gptkbp:weight ~650 lb (dry)
gptkbp:bfsParent gptkb:BT-13_Valiant
gptkb:Consolidated_Vultee_BT-13_Valiant
gptkbp:bfsLayer 6