Pratt & Whitney R-2000 Twin Wasp
E470208
The Pratt & Whitney R-2000 Twin Wasp is a 14-cylinder, air-cooled radial aircraft engine developed in the 1940s and widely used in medium and large transport aircraft of the era.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Pratt & Whitney Twin Wasp | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft piston engine
ⓘ
radial engine ⓘ |
| applications |
large transport aircraft
ⓘ
medium transport aircraft ⓘ |
| applicationType |
civil airliner
ⓘ
military transport aircraft ⓘ |
| bore | approximately 5.75 inches ⓘ |
| configurationDetail | two-row radial ⓘ |
| coolingMethod | air-cooled ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| cycle | four-stroke ⓘ |
| cylinderConfiguration | radial ⓘ |
| displacement |
2000 cubic inches
ⓘ
approximately 32.8 liters ⓘ |
| era | World War II era NERFINISHED ⓘ |
| family | Pratt & Whitney Twin Wasp NERFINISHED ⓘ |
| firstRun | 1940s ⓘ |
| fuelType | avgas ⓘ |
| ignitionSystem | dual ignition ⓘ |
| manufacturer | Pratt & Whitney NERFINISHED ⓘ |
| mounting | aircraft nose-mounted radial ⓘ |
| notableFeature |
development of the R-1830 with increased displacement
ⓘ
widely used in postwar civil transports ⓘ |
| notableUse | long-range transoceanic transport in the 1940s and 1950s ⓘ |
| numberOfCylinders | 14 ⓘ |
| numberOfRows | 2 ⓘ |
| operator |
United States Air Force
ⓘ
United States Army Air Forces NERFINISHED ⓘ numerous civil airlines worldwide ⓘ |
| predecessor | Pratt & Whitney R-1830 Twin Wasp NERFINISHED ⓘ |
| productionPeriod |
1940s
ⓘ
1950s ⓘ |
| role | transport aircraft powerplant ⓘ |
| stroke | approximately 5.75 inches ⓘ |
| supercharging | single-stage supercharger ⓘ |
| typicalCompressionRatio | around 6.7:1 ⓘ |
| typicalPowerOutput |
approximately 1300 horsepower
ⓘ
up to about 1450 horsepower depending on variant ⓘ |
| usedOnAircraft |
Canadair North Star
NERFINISHED
ⓘ
Douglas C-54 Skymaster NERFINISHED ⓘ Douglas DC-3 (some late or converted variants) NERFINISHED ⓘ Douglas DC-4 NERFINISHED ⓘ Fairchild C-119 Flying Boxcar NERFINISHED ⓘ Fairchild C-82 Packet NERFINISHED ⓘ Grumman HU-16 Albatross (some variants) NERFINISHED ⓘ |
| valvetrain | overhead poppet valves ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pratt & Whitney Twin Wasp
subject surface form:
Pratt & Whitney R-1830 Twin Wasp