Statements (47)
Predicate | Object |
---|---|
gptkbp:instanceOf |
aircraft engine
|
gptkbp:aircraft |
gptkb:Douglas_DC-3
gptkb:Piper_J-3_Cub gptkb:Fairchild_24 Beechcraft Model 18 |
gptkbp:application |
general aviation
floatplane military training aircraft cargo_aircraft bush_plane |
gptkbp:compressionRatio |
6.5:1
|
gptkbp:coolingSystem |
air-cooled
|
gptkbp:displacement |
985 cubic inches
|
gptkbp:engine |
conventional design
radial layout |
gptkbp:engineConfiguration |
horizontally opposed
|
gptkbp:engineType |
lightweight construction
smooth operation high power-to-weight ratio easy maintenance reciprocating engine robust design versatile applications low vibration proven track record good fuel efficiency good altitude performance widely used in aviation |
gptkbp:firstFlight |
1939
|
gptkbp:fuelType |
aviation gasoline
dual ignition |
https://www.w3.org/2000/01/rdf-schema#label |
Pratt & Whitney R-985
|
gptkbp:is_used_in |
military aircraft
civil aircraft |
gptkbp:manufacturer |
gptkb:Pratt_&_Whitney
|
gptkbp:performances |
high reliability
|
gptkbp:powerOutput |
450 horsepower
|
gptkbp:produces |
over 10,000
|
gptkbp:productionYears |
1939-1950
|
gptkbp:propulsion |
variable pitch
|
gptkbp:related_engine |
gptkb:R-800_series
pushrod actuated R-985 series |
gptkbp:setting |
9-cylinder
|
gptkbp:successor |
gptkb:Pratt_&_Whitney_R-1340
|
gptkbp:type |
radial engine
|
gptkbp:weight |
350 pounds
|