General Electric TF39
E380640
The General Electric TF39 is a high-bypass turbofan jet engine developed in the 1960s that pioneered the technology used in modern wide-body airliner and military transport engines.
All labels observed (1)
| Label | Occurrences |
|---|---|
| General Electric TF39 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3698016 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: General Electric TF39 Context triple: [C-5 Galaxy, engineModel, General Electric TF39]
-
A.
General Electric CF6
The General Electric CF6 is a widely used high-bypass turbofan aircraft engine that powers numerous commercial and military wide-body airliners.
-
B.
General Electric F404
The General Electric F404 is a family of afterburning turbofan jet engines widely used in modern fighter aircraft for their reliability, high thrust-to-weight ratio, and ease of maintenance.
-
C.
Pratt & Whitney JT3D
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.
-
D.
General Electric F110 turbofan
The General Electric F110 is a high-performance afterburning turbofan engine widely used in modern fighter aircraft, notably various F-16 and F-15 variants, providing increased thrust, reliability, and maintainability over earlier powerplants.
-
E.
Pratt & Whitney F100 turbofan
The Pratt & Whitney F100 is an afterburning turbofan jet engine widely used in modern U.S. fighter aircraft, known for its high thrust-to-weight ratio and advanced performance.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: General Electric TF39 Target entity description: The General Electric TF39 is a high-bypass turbofan jet engine developed in the 1960s that pioneered the technology used in modern wide-body airliner and military transport engines.
-
A.
General Electric CF6
The General Electric CF6 is a widely used high-bypass turbofan aircraft engine that powers numerous commercial and military wide-body airliners.
-
B.
General Electric F404
The General Electric F404 is a family of afterburning turbofan jet engines widely used in modern fighter aircraft for their reliability, high thrust-to-weight ratio, and ease of maintenance.
-
C.
Pratt & Whitney JT3D
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.
-
D.
General Electric F110 turbofan
The General Electric F110 is a high-performance afterburning turbofan engine widely used in modern fighter aircraft, notably various F-16 and F-15 variants, providing increased thrust, reliability, and maintainability over earlier powerplants.
-
E.
Pratt & Whitney F100 turbofan
The Pratt & Whitney F100 is an afterburning turbofan jet engine widely used in modern U.S. fighter aircraft, known for its high thrust-to-weight ratio and advanced performance.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
high-bypass turbofan engine
ⓘ
turbofan engine ⓘ |
| application |
C-5 Galaxy
ⓘ
surface form:
Lockheed C-5A Galaxy
C-5 Galaxy ⓘ
surface form:
Lockheed C-5B Galaxy
C-5 Galaxy ⓘ
surface form:
Lockheed C-5C Galaxy
military transport aircraft ⓘ |
| bypassRatio | about 8:1 ⓘ |
| civilDerivative |
General Electric CF6
ⓘ
surface form:
General Electric CF6-50
General Electric CF6 ⓘ
surface form:
General Electric CF6-6
General Electric CF6 ⓘ
surface form:
General Electric CF6-80
|
| compressorStages | 16-stage high-pressure compressor ⓘ |
| compressorType | axial-flow ⓘ |
| configuration | two-spool ⓘ |
| coolingTechnology | air-cooled turbine blades ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designGoal |
high thrust-to-weight ratio
ⓘ
improved fuel efficiency ⓘ reduced specific fuel consumption ⓘ |
| developer |
GE Aviation
ⓘ
surface form:
General Electric Aviation
|
| developmentStart | 1960s ⓘ |
| fanDiameter | approximately 2.5 meters ⓘ |
| fanStages | single-stage fan ⓘ |
| firstRun | 1965 ⓘ |
| fuelType | jet fuel ⓘ |
| generation | first-generation high-bypass turbofan ⓘ |
| influenced | General Electric CF6 ⓘ |
| intendedRole | strategic airlift ⓘ |
| introductionPeriod | late 1960s ⓘ |
| manufacturer | General Electric ⓘ |
| mounting | underwing podded installation ⓘ |
| natoDesignation | TF39 ⓘ |
| notableAs | one of the first successful high-bypass turbofans ⓘ |
| notableFeature |
first high-bypass turbofan developed for military transport
ⓘ
pioneered high-bypass technology for wide-body airliner engines ⓘ |
| primaryUser |
C-5 Galaxy
ⓘ
surface form:
Lockheed C-5 Galaxy
|
| programAssociation | Lockheed C-5 Galaxy program ⓘ |
| serviceEntry | 1969 ⓘ |
| status | out of production ⓘ |
| technologyLineage | basis for GE CF6 civil engine family ⓘ |
| thrustClass |
approximately 178 kN
ⓘ
around 40,000 lbf ⓘ |
| turbineStages |
2-stage high-pressure turbine
ⓘ
4-stage low-pressure turbine ⓘ |
| usedBy | United States Air Force ⓘ |
| usedOn |
C-5 Galaxy
ⓘ
surface form:
C-5A
C-5 Galaxy ⓘ
surface form:
C-5B
C-5 Galaxy ⓘ
surface form:
C-5C
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: General Electric TF39 Description of subject: The General Electric TF39 is a high-bypass turbofan jet engine developed in the 1960s that pioneered the technology used in modern wide-body airliner and military transport engines.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.