Lockheed Constellation (testbed)
E869714
The Lockheed Constellation (testbed) was a modified version of the classic Constellation airliner used as a flying testbed for the Rolls-Royce Olympus jet engine.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lockheed Constellation (testbed) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10531154 — 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: Lockheed Constellation (testbed) Context triple: [Rolls-Royce Olympus, usedInAircraft, Lockheed Constellation (testbed)]
-
A.
Douglas D-558-2 Skyrocket
The Douglas D-558-2 Skyrocket was a U.S. Navy and NACA experimental research aircraft that became one of the first aircraft to exceed Mach 2 in level flight during the early 1950s.
-
B.
Lockheed L-1649 Starliner
The Lockheed L-1649 Starliner is a late-1950s long-range, piston-engined airliner and the final, most advanced variant of Lockheed’s Constellation series, designed for transatlantic and intercontinental routes.
-
C.
Convair XF-92
The Convair XF-92 was an experimental American delta-wing jet interceptor prototype developed in the late 1940s that served as a pioneering testbed for high-speed delta-wing aircraft design.
-
D.
Lockheed C‑69 Constellation
The Lockheed C‑69 Constellation was a World War II-era four‑engined military transport aircraft that served as the precursor to the famous Lockheed Constellation airliner.
-
E.
Douglas D-558-1 Skystreak
The Douglas D-558-1 Skystreak was an experimental U.S. Navy research jet of the late 1940s used to investigate high-subsonic and transonic flight, contributing key data to early supersonic aircraft development.
- 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: Lockheed Constellation (testbed) Target entity description: The Lockheed Constellation (testbed) was a modified version of the classic Constellation airliner used as a flying testbed for the Rolls-Royce Olympus jet engine.
-
A.
Douglas D-558-2 Skyrocket
The Douglas D-558-2 Skyrocket was a U.S. Navy and NACA experimental research aircraft that became one of the first aircraft to exceed Mach 2 in level flight during the early 1950s.
-
B.
Lockheed L-1649 Starliner
The Lockheed L-1649 Starliner is a late-1950s long-range, piston-engined airliner and the final, most advanced variant of Lockheed’s Constellation series, designed for transatlantic and intercontinental routes.
-
C.
Convair XF-92
The Convair XF-92 was an experimental American delta-wing jet interceptor prototype developed in the late 1940s that served as a pioneering testbed for high-speed delta-wing aircraft design.
-
D.
Lockheed C‑69 Constellation
The Lockheed C‑69 Constellation was a World War II-era four‑engined military transport aircraft that served as the precursor to the famous Lockheed Constellation airliner.
-
E.
Douglas D-558-1 Skystreak
The Douglas D-558-1 Skystreak was an experimental U.S. Navy research jet of the late 1940s used to investigate high-subsonic and transonic flight, contributing key data to early supersonic aircraft development.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
experimental aircraft
ⓘ
flying testbed ⓘ |
| aircraftCategory | civil airliner converted to testbed ⓘ |
| aircraftClass | large four‑engined airliner (base airframe) ⓘ |
| aircraftConfiguration | multi‑engine propeller airliner with additional jet engine installation ⓘ |
| aircraftEra | early jet age ⓘ |
| aircraftFamily |
Lockheed Constellation family
ⓘ
linked to:
Lockheed L-749 Constellation
|
| aircraftType | modified airliner ⓘ |
| airframeOrigin |
Lockheed Constellation airliner
ⓘ
linked to:
Lockheed C‑69 Constellation
|
| basedOn |
Lockheed Constellation
ⓘ
linked to:
Lockheed C‑69 Constellation
|
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| crewRequirement | multi‑crew ⓘ |
| designCharacteristic |
incorporated additional engine mounting for Olympus
ⓘ
retained basic Constellation airframe ⓘ |
| engineManufacturerTested |
Rolls-Royce
ⓘ
linked to:
Rolls-Royce plc
|
| notableFeature |
carried a Rolls-Royce Olympus engine for in‑flight testing
ⓘ
modified from a classic Lockheed Constellation airliner ⓘ |
| operationalUse | non‑commercial ⓘ |
| originalManufacturer |
Lockheed
ⓘ
linked to:
Lockheed Aircraft Company
|
| primaryTestRole | jet engine testbed ⓘ |
| propulsionLayout | piston engines plus test jet engine ⓘ |
| role |
development aircraft
ⓘ
research aircraft ⓘ |
| testActivity |
data collection for jet engine development
ⓘ
evaluation of Rolls-Royce Olympus performance in flight ⓘ |
| testedEngine |
Rolls-Royce Olympus
ⓘ
linked to:
Rolls-Royce Olympus turbojet
|
| testedEngineType | turbojet engine ⓘ |
| testObjective |
assess integration of large turbojet on transport airframe
ⓘ
validate Rolls-Royce Olympus operational characteristics in flight ⓘ |
| usedFor |
engine testing
ⓘ
flight testing ⓘ |
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: Lockheed Constellation (testbed) Description of subject: The Lockheed Constellation (testbed) was a modified version of the classic Constellation airliner used as a flying testbed for the Rolls-Royce Olympus jet engine.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Rolls-Royce Olympus turbojet