Wright R-3350 Duplex-Cyclone radial engine
E100022
The Wright R-3350 Duplex-Cyclone is a powerful American 18-cylinder air-cooled radial aircraft engine widely used in World War II and early postwar bombers and airliners.
Aliases (1)
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft engine
→
piston engine → radial engine → |
| bore |
6.125 inches
→
|
| configuration |
18-cylinder radial
→
|
| coolingSystem |
air-cooled
→
|
| countryOfOrigin |
United States
→
|
| cylinderCount |
18
→
|
| cylinderRows |
two rows
→
|
| designFeature |
forged aluminum alloy pistons
→
pressure carburetion on early models → two-row 9-cylinder banks → |
| displacement |
3350 cubic inches
→
about 54.9 liters → |
| driveType |
direct-drive
→
|
| enteredService |
early 1940s
→
|
| era |
World War II
→
early Cold War → |
| family |
Wright Cyclone engine family
NERFINISHED
→
|
| firstRun |
1940
→
|
| fuelType |
aviation gasoline
→
|
| ignitionSystem |
dual ignition
→
|
| laterVariantFeature |
turbo-compound power-recovery turbines
→
|
| laterVariantRole |
long-range transoceanic airliner engine
→
|
| manufacturer |
Wright Aeronautical
NERFINISHED
→
|
| notableApplication |
Boeing B-29 Superfortress
NERFINISHED
→
Boeing B-50 Superfortress NERFINISHED → Canadair CP-107 Argus NERFINISHED → Douglas A-1 Skyraider NERFINISHED → Douglas DC-7 NERFINISHED → Fairchild C-119 Flying Boxcar NERFINISHED → Lockheed Constellation NERFINISHED → Lockheed L-1049 Super Constellation NERFINISHED → Lockheed L-1649 Starliner NERFINISHED → Lockheed Super Constellation NERFINISHED → |
| notableIssue |
early overheating problems in B-29 service
→
|
| powerOutput |
roughly 2,200 to over 3,700 horsepower depending on variant
→
|
| primaryRole |
bomber powerplant
→
|
| productionPeriod |
1940s
→
1950s → early 1960s → |
| secondaryRole |
airliner powerplant
→
|
| stroke |
6.3125 inches
→
|
| successorUsage |
superseded by early turbojet and turboprop engines in mainline service
→
|
| supercharging |
single-stage supercharger
→
turbo-supercharger on some variants → |
| usedInConflict |
Korean War
NERFINISHED
→
World War II → |
| valveType |
conventional poppet valves
→
|
Referenced by (2)
| Subject (surface form when different) | Predicate |
|---|---|
|
B-29 Superfortress
→
|
engineType |
|
Wright Aeronautical Corporation
("Wright R-3350 Duplex-Cyclone")
→
|
notableProduct |