Allison J35 turbojet
E99316
The Allison J35 turbojet was an early American axial-flow jet engine widely used in the late 1940s and 1950s to power several pioneering military aircraft.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Allison J35 turbojet canonical | 2 |
| Allison J35 engine | 1 |
| Allison J71 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T848920 — 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: Allison J35 turbojet Context triple: [Bell X-5, powerplant, Allison J35 turbojet]
-
A.
Allison T56 turboprop
The Allison T56 is a widely used American turboprop aircraft engine known for powering military and maritime patrol aircraft such as the Lockheed C-130 Hercules and P-3 Orion.
-
B.
Pratt & Whitney JT9D
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.
-
C.
Rolls-Royce Pegasus turbofan
The Rolls-Royce Pegasus turbofan is a unique vectored-thrust jet engine that enables vertical and short takeoff and landing (V/STOL) capability in aircraft such as the Harrier family.
-
D.
Eurojet EJ200
The Eurojet EJ200 is a modern afterburning turbofan jet engine developed for high-performance fighter aircraft, most notably powering the Eurofighter Typhoon.
-
E.
Junkers Jumo 004 turbojet engine
The Junkers Jumo 004 was the world’s first mass-produced turbojet engine, powering Germany’s pioneering jet aircraft during World War II.
- 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: Allison J35 turbojet Target entity description: The Allison J35 turbojet was an early American axial-flow jet engine widely used in the late 1940s and 1950s to power several pioneering military aircraft.
-
A.
Allison T56 turboprop
The Allison T56 is a widely used American turboprop aircraft engine known for powering military and maritime patrol aircraft such as the Lockheed C-130 Hercules and P-3 Orion.
-
B.
Pratt & Whitney JT9D
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.
-
C.
Rolls-Royce Pegasus turbofan
The Rolls-Royce Pegasus turbofan is a unique vectored-thrust jet engine that enables vertical and short takeoff and landing (V/STOL) capability in aircraft such as the Harrier family.
-
D.
Eurojet EJ200
The Eurojet EJ200 is a modern afterburning turbofan jet engine developed for high-performance fighter aircraft, most notably powering the Eurofighter Typhoon.
-
E.
Junkers Jumo 004 turbojet engine
The Junkers Jumo 004 was the world’s first mass-produced turbojet engine, powering Germany’s pioneering jet aircraft during World War II.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
axial-flow jet engine
ⓘ
turbojet engine ⓘ |
| application |
experimental aircraft propulsion
ⓘ
fighter aircraft propulsion ⓘ |
| category |
Aviation history of the United States
ⓘ
Cold War jet engines ⓘ Military aircraft engines ⓘ |
| combustorType | can-annular combustor ⓘ |
| compressorType | axial compressor ⓘ |
| configuration | single-spool ⓘ |
| coolingMethod | air-cooled turbine ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designType | axial-flow ⓘ |
| developedBy | General Motors ⓘ |
| era | early jet age ⓘ |
| exhaustType | straight jet ⓘ |
| fuelType | kerosene-based jet fuel ⓘ |
| historicalSignificance | powered several pioneering American jet aircraft in the late 1940s and 1950s ⓘ |
| intendedUse | subsonic aircraft ⓘ |
| manufacturer | Allison Engine Company ⓘ |
| notableFor | being one of the first mass-produced American axial-flow turbojets ⓘ |
| numberOfShafts | one ⓘ |
| powerplantFor | first-generation US jet fighters ⓘ |
| propulsionType | air-breathing jet engine ⓘ |
| role | primary powerplant for early US jet fighters ⓘ |
| serviceEntryDecade | 1940s ⓘ |
| successorEngine |
Allison J35 turbojet
self-linksurface differs
ⓘ
surface form:
Allison J71
General Electric J47 ⓘ |
| thrustClass |
around 18 kN
ⓘ
around 4,000 lbf ⓘ |
| usedBy |
United States Air Force
ⓘ
United States Navy ⓘ |
| usedFor |
flight testing of early jet concepts
ⓘ
operational fighter service ⓘ |
| usedIn | military aircraft ⓘ |
| usedOnAircraft |
Convair XF-92
ⓘ
Lockheed F-80 Shooting Star ⓘ Lockheed T-33 Shooting Star ⓘ
surface form:
Lockheed P-80 Shooting Star
Lockheed T-33 Shooting Star ⓘ McDonnell FH Phantom (test and development) ⓘ Northrop YB-49 ⓘ Republic F-84 Thunderjet ⓘ |
| widelyUsedInDecade |
1940s
ⓘ
1950s ⓘ |
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: Allison J35 turbojet Description of subject: The Allison J35 turbojet was an early American axial-flow jet engine widely used in the late 1940s and 1950s to power several pioneering military aircraft.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Allison J35
this entity surface form:
Allison J71
this entity surface form:
Allison J35 engine