Pratt & Whitney R-985 Wasp Jr.

GPTKB entity

Properties (49)
Predicate Object
gptkbp:instanceOf aircraft engine
gptkbp:application military and civilian aircraft
gptkbp:compressionRatio 6.5:1
gptkbp:coolingSystem air-cooled
air-cooled radial engine
gptkbp:displacement 985 cubic inches
gptkbp:drivetrain overhead valves
gptkbp:engine approximately 30 inches
approximately 40 inches
designed for reliability
used in trainers and transport aircraft
gptkbp:engineConfiguration horizontally opposed
gptkbp:engineType gptkb:R-985-AN-2
high power-to-weight ratio
reciprocating engine
R-985-AN-6
R-985-AN-1
R-985-AN-3
R-985-AN-10
R-985-AN-4
R-985-AN-5
R-985-AN-7
R-985-AN-8
R-985-AN-9
gptkbp:firstFlight 1932
gptkbp:fuelType aviation gasoline
dual ignition
https://www.w3.org/2000/01/rdf-schema#label Pratt & Whitney R-985 Wasp Jr.
gptkbp:is_used_in various aircraft
gptkbp:manufacturer gptkb:Pratt_&_Whitney
gptkbp:maximum_speed maximum 2,400 RPM
gptkbp:notableUsers gptkb:Waco_Aircraft_Company
gptkb:Piper_Aircraft
gptkb:Fairchild
gptkb:Stinson_Aircraft
Beechcraft
gptkbp:powerOutput 450 horsepower
gptkbp:produces over 10,000 units
gptkbp:productionYears 1932 to 1950s
gptkbp:propulsion variable-pitch propeller
gptkbp:related_engine four-stroke
Wasp family
R-985 series
gptkbp:replacedBy more powerful engines
gptkbp:setting 9-cylinder
gptkbp:successor gptkb:Pratt_&_Whitney_R-1340_Wasp
gptkbp:torque approximately 1,800 lb-ft
gptkbp:type radial engine
gptkbp:weight approximately 400 pounds