Pratt & Whitney JT9D
E79017
The Pratt & Whitney JT9D is a high-bypass turbofan jet engine that powered early wide-body airliners and was notably used on the original Boeing 747 series.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| JT9D | 1 |
| JT9D engine family | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
high-bypass turbofan
ⓘ
turbofan engine ⓘ |
| application | wide-body airliners ⓘ |
| bypassRatio | approximately 5:1 ⓘ |
| compressorType | axial-flow ⓘ |
| configuration | twin-spool ⓘ |
| coolingTechnology | air-cooled turbine blades ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| enteredService | 1970 ⓘ |
| era | first generation high-bypass turbofan ⓘ |
| family |
Pratt & Whitney JT9D
self-linksurface differs
ⓘ
surface form:
JT9D engine family
|
| fanStages | 1 ⓘ |
| firstRun | 1966 ⓘ |
| firstServiceAircraft |
Boeing 747
ⓘ
surface form:
Boeing 747-100
|
| fuelType | Jet A kerosene ⓘ |
| highPressureCompressorStages | 11 ⓘ |
| ICAOEngineCode |
Pratt & Whitney JT9D
self-linksurface differs
ⓘ
surface form:
JT9D
|
| improvement | upgraded variants with increased thrust and reliability ⓘ |
| lowPressureCompressorStages | 3 ⓘ |
| manufacturer | Pratt & Whitney ⓘ |
| marketRole | primary powerplant for early Boeing 747 variants ⓘ |
| mounting | underwing podded installation ⓘ |
| notableFeature |
first high-bypass turbofan used on a wide-body airliner
ⓘ
pioneered high-bypass engines for long-haul jets ⓘ |
| notableIssue | early fan blade and turbine durability problems on 747 ⓘ |
| primaryUse |
cargo transport on wide-body freighters
ⓘ
long-haul passenger transport ⓘ |
| role | civil transport engine ⓘ |
| status | out of production ⓘ |
| successor | Pratt & Whitney PW4000 ⓘ |
| thrustRange | 40,000–53,000 lbf ⓘ |
| turbineStagesHighPressure | 2 ⓘ |
| turbineStagesLowPressure | 4 ⓘ |
| usedBy | commercial airlines worldwide ⓘ |
| usedOnAircraft |
Airbus A300
ⓘ
Airbus A310 ⓘ Boeing 747 ⓘ Boeing 747 ⓘ
surface form:
Boeing 747-100
Boeing 747 ⓘ
surface form:
Boeing 747-200
Boeing 747 ⓘ
surface form:
Boeing 747-300
Boeing 747SP ⓘ Boeing 747 ⓘ
surface form:
Boeing 747SR
Boeing 767 ⓘ
surface form:
Boeing 767-200
Boeing 767 ⓘ
surface form:
Boeing 767-300
Ilyushin Il-86 ⓘ Kawasaki C-1 ⓘ
surface form:
Kawasaki C-1 (modified testbed)
McDonnell Douglas DC-10 ⓘ |
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
JT9D
this entity surface form:
JT9D engine family