|
gptkbp:instanceOf
|
piston engine
|
|
gptkbp:application
|
helicopters
fixed-wing aircraft
|
|
gptkbp:bore
|
5.1875 in
|
|
gptkbp:compressionRatio
|
6:1
|
|
gptkbp:coolingSystem
|
air-cooled
|
|
gptkbp:countryOfOrigin
|
gptkb:United_States
|
|
gptkbp:diameter
|
48 in
|
|
gptkbp:displacement
|
985 cubic inches
|
|
gptkbp:engineType
|
piston engine
|
|
gptkbp:firstFlight
|
1929
|
|
gptkbp:fuelType
|
aviation gasoline
~27 gal/hr at cruise
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Pratt & Whitney R-985
|
|
gptkbp:ignition
|
dual magnetos
|
|
gptkbp:length
|
44.5 in
|
|
gptkbp:lubricationSystem
|
dry sump
|
|
gptkbp:manufacturer
|
gptkb:Pratt_&_Whitney
|
|
gptkbp:nickname
|
gptkb:Wasp_Junior
|
|
gptkbp:notableFor
|
reliability
widespread use in bush planes
|
|
gptkbp:numberOfEngines
|
9
|
|
gptkbp:powerOutput
|
up to 450 hp
|
|
gptkbp:productionStartYear
|
1929–1953
|
|
gptkbp:stroke
|
5.75 in
|
|
gptkbp:successor
|
gptkb:Pratt_&_Whitney_R-1340
|
|
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
gptkb:Cessna_190
gptkb:Stinson_Model_A
gptkb:Fairchild_71
gptkb:Bell_47G-3B-1_helicopter
gptkb:Howard_DGA-15
gptkb:Spartan_Executive
gptkb:Stearman_Model_4
gptkb:Waco_Custom_Cabin
|
|
gptkbp:valveConfiguration
|
overhead valves
|
|
gptkbp:weight
|
~650 lb (dry)
|
|
gptkbp:bfsParent
|
gptkb:AT-11_Kansan
gptkb:C-45_Expeditor
gptkb:Piper_PA-88
|
|
gptkbp:bfsLayer
|
6
|