Pratt & Whitney JT3D
E235866
The Pratt & Whitney JT3D is an early low-bypass turbofan jet engine widely used on first-generation jet airliners such as the Boeing 707 and Douglas DC-8.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pratt & Whitney JT3D canonical | 5 |
| Pratt & Whitney JT3 engine family | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
low-bypass turbofan
ⓘ
turbofan engine ⓘ |
| application |
commercial transport aircraft
ⓘ
military transport aircraft ⓘ |
| basedOn | Pratt & Whitney JT3C ⓘ |
| bypassRatio | approximately 1.4:1 ⓘ |
| civilDesignation | JT3D ⓘ |
| compressorStages | 14 ⓘ |
| compressorType | axial-flow ⓘ |
| configuration | two-spool ⓘ |
| coolingMethod | air-cooled turbine blades ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designGoal | improved range and fuel economy for early jetliners ⓘ |
| emissions | higher than modern high-bypass turbofans ⓘ |
| enteredService | early 1960s ⓘ |
| era | first-generation jet airliners ⓘ |
| exhaustType | separate exhaust turbofan ⓘ |
| family |
Pratt & Whitney JT3D
self-linksurface differs
ⓘ
surface form:
Pratt & Whitney JT3 engine family
|
| fanStages | 2 ⓘ |
| firstRun | late 1950s ⓘ |
| fuelType | aviation kerosene ⓘ |
| introducedAs | turbofan replacement for JT3C turbojet ⓘ |
| manufacturer | Pratt & Whitney ⓘ |
| marketSegment | large commercial transport engines ⓘ |
| militaryDesignation | TF33 ⓘ |
| noiseLevel | high by modern standards ⓘ |
| notableFeature |
early low-bypass turbofan derived from turbojet core
ⓘ
improved fuel efficiency over pure turbojets of the same era ⓘ |
| notableFor |
widespread use on Boeing 707
ⓘ
widespread use on Douglas DC-8 ⓘ |
| predecessor |
Pratt & Whitney JT3C
ⓘ
surface form:
Pratt & Whitney JT3C turbojet
|
| role | primary powerplant for early long-range jet airliners ⓘ |
| status |
largely retired from front-line commercial service
ⓘ
still in use on some military and specialized aircraft ⓘ |
| thrustClass | approximately 17,000 lbf to 21,000 lbf ⓘ |
| thrustReverser | equipped on many installations ⓘ |
| turbineStages | 4 ⓘ |
| usedOnAircraft |
Boeing 707
ⓘ
Boeing 720 ⓘ Boeing B-52 Stratofortress ⓘ
surface form:
Boeing B-52H Stratofortress (TF33 variant)
E-3F Sentry AWACS ⓘ
surface form:
Boeing E-3 Sentry (TF33 variant)
E-8 Joint STARS ⓘ
surface form:
Boeing E-8 Joint STARS (TF33 variant)
C-135 Stratolifter ⓘ Douglas DC-8 ⓘ Boeing KC-135 Stratotanker ⓘ
surface form:
KC-135 Stratotanker
C-141 Starlifter ⓘ
surface form:
Lockheed C-141 Starlifter (TF33 variant)
|
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pratt & Whitney JT3 engine family