General Electric CJ-805-3 turbojet
E950324
The General Electric CJ-805-3 turbojet is a civil derivative of the military J79 engine, developed in the late 1950s to power early jet airliners with high thrust and improved efficiency.
All labels observed (3)
| Label | Occurrences |
|---|---|
| CJ610 (non-afterburning derivative) | 1 |
| General Electric CJ-805-3 turbojet canonical | 1 |
| General Electric CJ805-23 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11835934 — 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 CJ-805-3 turbojet Context triple: [Convair 880, powerplant, General Electric CJ-805-3 turbojet]
-
A.
General Electric J79
The General Electric J79 is an American axial-flow turbojet engine widely used in high-performance military aircraft of the Cold War era, noted for its afterburning capability and role in enabling supersonic flight.
-
B.
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.
-
C.
General Electric J73
The General Electric J73 was an early American turbojet engine developed in the 1950s to provide higher thrust and improved performance for military jet aircraft.
-
D.
General Electric TF39
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.
-
E.
General Electric J47
The General Electric J47 is an early American axial-flow turbojet engine widely used in the late 1940s and 1950s, notably powering several first-generation jet fighters and bombers.
- 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 CJ-805-3 turbojet Target entity description: The General Electric CJ-805-3 turbojet is a civil derivative of the military J79 engine, developed in the late 1950s to power early jet airliners with high thrust and improved efficiency.
-
A.
General Electric J79
The General Electric J79 is an American axial-flow turbojet engine widely used in high-performance military aircraft of the Cold War era, noted for its afterburning capability and role in enabling supersonic flight.
-
B.
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.
-
C.
General Electric J73
The General Electric J73 was an early American turbojet engine developed in the 1950s to provide higher thrust and improved performance for military jet aircraft.
-
D.
General Electric TF39
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.
-
E.
General Electric J47
The General Electric J47 is an early American axial-flow turbojet engine widely used in the late 1940s and 1950s, notably powering several first-generation jet fighters and bombers.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft engine
ⓘ
turbojet engine ⓘ |
| application | medium-range jet transports ⓘ |
| basedOn | General Electric J79 NERFINISHED ⓘ |
| combustorType | annular combustor ⓘ |
| compressorStages | 17-stage axial compressor ⓘ |
| compressorType | axial-flow ⓘ |
| configuration | single-spool ⓘ |
| coolingTechnology | air-cooled turbine blades ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| derivativeOf | General Electric J79 NERFINISHED ⓘ |
| designGoal |
high thrust for civil jetliners
ⓘ
improved efficiency over military configuration ⓘ |
| developmentPeriod | late 1950s ⓘ |
| era | early jet age ⓘ |
| family | General Electric CJ-805 NERFINISHED ⓘ |
| feature |
afterburner removed for civil use
ⓘ
improved fuel efficiency compared to earlier turbojets ⓘ noise-reduction measures compared to military J79 ⓘ |
| fuelType | kerosene-based jet fuel ⓘ |
| historicalSignificance | one of the early high-performance civil turbojets derived from a military engine ⓘ |
| intendedFor | early jet airliners ⓘ |
| manufacturer | General Electric NERFINISHED ⓘ |
| originatesFromProgram | General Electric J79 engine program NERFINISHED ⓘ |
| role | powerplant for commercial aircraft ⓘ |
| status | out of production ⓘ |
| thrustClass | approximately 11000 to 13000 pounds-force ⓘ |
| turbineType | axial-flow ⓘ |
| use | civil aviation ⓘ |
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 CJ-805-3 turbojet Description of subject: The General Electric CJ-805-3 turbojet is a civil derivative of the military J79 engine, developed in the late 1950s to power early jet airliners with high thrust and improved efficiency.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
General Electric CJ805-23
this entity surface form:
CJ610 (non-afterburning derivative)