Pratt & Whitney R-985 Wasp Jr.
GPTKB entity
Statements (112)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:jet_engine
|
| gptkbp:aircraft_operated |
gptkb:Stinson_Reliant
gptkb:Beechcraft_Model_18 gptkb:North_American_T-6_Texan gptkb:Piper_J-3_Cub gptkb:Fairchild_24 |
| gptkbp:application |
gptkb:Douglas_DC-3
gptkb:military_aircraft gptkb:Beechcraft_Model_18 gptkb:North_American_T-6_Texan gptkb:Piper_PA-18_Super_Cub gptkb:Fairchild_24 general aviation military and civilian aircraft commercial aviation |
| gptkbp:bore |
5.5 inches
|
| gptkbp:compression_ratio |
6.5:1
6.0:1 |
| gptkbp:configuration |
9-cylinder
|
| gptkbp:cooling_system |
air-cooled
|
| gptkbp:displacement |
985 cubic inches
|
| gptkbp:engine |
1940s
general aviation compact size high durability smooth operation lightweight design environmentally friendly four-stroke high power-to-weight ratio compact design easy installation low noise levels easy maintenance low operating costs high torque output long service life versatile applications low vibration robust construction reduced vibration good performance at altitude low maintenance requirements Wasp family proven technology good fuel efficiency historical significance in aviation wide availability of parts good thermal efficiency R-985 series excellent performance in various conditions adaptable to different aircraft types |
| gptkbp:engine_configuration |
conventional
9-cylinder radial horizontally opposed aircraft propulsion front-mounted single-row |
| gptkbp:engine_power |
high reliability
moderate efficiency maximum 2,400 RPM |
| gptkbp:engine_type |
piston engine
reciprocating engine R-985-AN-1 R-985-AN-3 R-985-AN-4 R-985-AN-5 R-985-AN-2 |
| gptkbp:first_flight |
gptkb:1932
|
| gptkbp:fuel_capacity |
about 3 feet
about 4 feet about 2.5 feet |
| gptkbp:fuel_type |
aviation gasoline
carbureted |
| https://www.w3.org/2000/01/rdf-schema#label |
Pratt & Whitney R-985 Wasp Jr.
|
| gptkbp:ignition_system |
gptkb:Champion
magneto magneto ignition |
| gptkbp:maintenance |
moderate complexity
|
| gptkbp:manufacturer |
gptkb:Pratt_&_Whitney
|
| gptkbp:noise_level |
moderate vibration
relatively loud |
| gptkbp:notable_users |
gptkb:Douglas_DC-3
gptkb:Cessna_T-50_Bobcat gptkb:Fairchild_24 gptkb:Beechcraft_Staggerwing gptkb:North_American_AT-6_Texan |
| gptkbp:number_of_engines |
gptkb:9
|
| gptkbp:original_run |
1939
|
| gptkbp:power_output |
450 horsepower
|
| gptkbp:produces |
over 10,000
over 10,000 units |
| gptkbp:production_years |
1932-1950s
|
| gptkbp:propeller |
variable-pitch propeller
variable pitch |
| gptkbp:propulsion |
not applicable
|
| gptkbp:stroke |
6.0 inches
|
| gptkbp:successor |
gptkb:Pratt_&_Whitney_R-1340_Wasp
|
| gptkbp:torque |
high torque output
wet sump |
| gptkbp:type |
gptkb:radial_engine
|
| gptkbp:used_in |
gptkb:military_aircraft
various aircraft civil aircraft |
| gptkbp:valve_configuration |
overhead valves
pushrod |
| gptkbp:weight |
350 pounds
about 400 pounds |
| gptkbp:bfsParent |
gptkb:Lockheed_Model_10
gptkb:Douglas_O-2 |
| gptkbp:bfsLayer |
6
|