Rolls-Royce LiftSystem (F-35B integration)
E81244
The Rolls-Royce LiftSystem is a shaft-driven lift fan and vectoring exhaust system that enables the F-35B Lightning II to perform short takeoff and vertical landing (STOVL) operations.
All labels observed (3)
| Label | Occurrences |
|---|---|
| F-35B propulsion system | 1 |
| Rolls-Royce LiftSystem | 1 |
| Rolls-Royce LiftSystem (F-35B integration) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T649889 — 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: Rolls-Royce LiftSystem (F-35B integration) Context triple: [Pratt & Whitney F135, relatedEngine, Rolls-Royce LiftSystem (F-35B integration)]
-
A.
F-35B Lightning II
The F-35B Lightning II is a fifth-generation, stealth, short takeoff and vertical landing (STOVL) multirole fighter jet used by several air arms, including the Royal Air Force and Royal Navy.
-
B.
Pratt & Whitney F135 engine
The Pratt & Whitney F135 engine is a high-performance turbofan developed for the F-35 Lightning II, notable for its advanced thrust, stealth, and (in the F-35B variant) short takeoff/vertical landing capabilities.
-
C.
Lockheed Martin X-35
The Lockheed Martin X-35 is a prototype stealth multirole fighter that served as the demonstrator for the F-35 Lightning II Joint Strike Fighter program.
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D.
Lockheed Martin F-35A Lightning II
The Lockheed Martin F-35A Lightning II is a fifth-generation, single-seat, stealth multirole fighter aircraft designed for advanced air-to-air and air-to-ground combat operations.
-
E.
AV-8B Harrier II
The AV-8B Harrier II is a second-generation, carrier-capable ground-attack aircraft known for its vertical/short takeoff and landing (V/STOL) capability, used primarily by the U.S. Marine Corps and allied forces.
- 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: Rolls-Royce LiftSystem (F-35B integration) Target entity description: The Rolls-Royce LiftSystem is a shaft-driven lift fan and vectoring exhaust system that enables the F-35B Lightning II to perform short takeoff and vertical landing (STOVL) operations.
-
A.
F-35B Lightning II
The F-35B Lightning II is a fifth-generation, stealth, short takeoff and vertical landing (STOVL) multirole fighter jet used by several air arms, including the Royal Air Force and Royal Navy.
-
B.
Pratt & Whitney F135 engine
The Pratt & Whitney F135 engine is a high-performance turbofan developed for the F-35 Lightning II, notable for its advanced thrust, stealth, and (in the F-35B variant) short takeoff/vertical landing capabilities.
-
C.
Lockheed Martin X-35
The Lockheed Martin X-35 is a prototype stealth multirole fighter that served as the demonstrator for the F-35 Lightning II Joint Strike Fighter program.
-
D.
Lockheed Martin F-35A Lightning II
The Lockheed Martin F-35A Lightning II is a fifth-generation, single-seat, stealth multirole fighter aircraft designed for advanced air-to-air and air-to-ground combat operations.
-
E.
AV-8B Harrier II
The AV-8B Harrier II is a second-generation, carrier-capable ground-attack aircraft known for its vertical/short takeoff and landing (V/STOL) capability, used primarily by the U.S. Marine Corps and allied forces.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft propulsion system
ⓘ
vertical lift system ⓘ |
| aircraftType | single-engine stealth multirole fighter ⓘ |
| aircraftVariant |
F-35B Lightning II
ⓘ
surface form:
F-35B
|
| application |
carrier operations from small decks
ⓘ
operations from austere airfields ⓘ |
| componentOf |
Rolls-Royce LiftSystem (F-35B integration)
self-linksurface differs
ⓘ
surface form:
F-35B propulsion system
|
| controlMode | computer-controlled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designedFor |
short takeoff
ⓘ
vertical landing ⓘ vertical takeoff in some conditions ⓘ |
| developmentPartner |
Lockheed Martin
ⓘ
Pratt & Whitney ⓘ |
| enablesCapability | STOVL operations ⓘ |
| exhaustVectoring | three-bearing swivel nozzle ⓘ |
| hasComponent |
actuation system
ⓘ
bevel gearbox ⓘ clutch ⓘ drive shaft ⓘ intermediate gearbox ⓘ lift fan inlet guide vanes ⓘ lift fan variable area nozzle ⓘ roll posts ⓘ shaft-driven lift fan ⓘ three-bearing swivel module ⓘ |
| integratedWith | F-35B flight control system ⓘ |
| manufacturer |
Rolls-Royce Limited
ⓘ
surface form:
Rolls-Royce
|
| operatingMode |
STOVL mode
ⓘ
conventional flight mode ⓘ |
| operationalStatus | in service ⓘ |
| poweredBy | Pratt & Whitney F135 engine ⓘ |
| powerTransmission | shaft-driven from main engine ⓘ |
| primaryUser |
Royal Air Force
ⓘ
Royal Navy ⓘ United States Marine Corps ⓘ |
| program |
Joint Strike Fighter program
ⓘ
surface form:
F-35 Lightning II program
|
| providesControl | roll control in STOVL mode ⓘ |
| providesThrust | vertical lift thrust ⓘ |
| role | short takeoff and vertical landing propulsion ⓘ |
| safetyFeature |
clutch disengagement capability
ⓘ
redundant control systems ⓘ |
| serviceEntryPlatform | F-35B Lightning II ⓘ |
| technologyType |
shaft-driven lift fan system
ⓘ
vectoring exhaust system ⓘ |
| thrustDistribution |
lift fan forward thrust
ⓘ
swiveling rear nozzle thrust ⓘ wing roll posts thrust ⓘ |
| usedOnAircraft |
F-35B Lightning II
ⓘ
surface form:
Lockheed Martin F-35B Lightning II
|
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: Rolls-Royce LiftSystem (F-35B integration) Description of subject: The Rolls-Royce LiftSystem is a shaft-driven lift fan and vectoring exhaust system that enables the F-35B Lightning II to perform short takeoff and vertical landing (STOVL) operations.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Pratt & Whitney F135
Rolls-Royce LiftSystem (F-35B integration)
→
componentOf
→
Rolls-Royce LiftSystem (F-35B integration)
self-linksurface differs
ⓘ
subject surface form:
Rolls-Royce LiftSystem
this entity surface form:
F-35B propulsion system
this entity surface form:
Rolls-Royce LiftSystem