LNER Class A3
E205551
The LNER Class A3 was a famous class of British express steam locomotives, including the record-breaking Flying Scotsman, designed by Sir Nigel Gresley for high-speed mainline passenger service.
All labels observed (4)
| Label | Occurrences |
|---|---|
| LNER Class A3 canonical | 5 |
| LNER Class A3 Flying Scotsman | 1 |
| LNER Class A3 steam locomotive | 1 |
| LNER Class A3 steam locomotives | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1746642 — 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.
Target entity: LNER Class A3 Context triple: [London and North Eastern Railway, notableLocomotiveClass, LNER Class A3]
-
A.
LNER Class A1
The LNER Class A1 was a series of powerful British express passenger steam locomotives designed by Sir Nigel Gresley for high-speed mainline services in the early 20th century.
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B.
LNER Class A3 4472 Flying Scotsman
LNER Class A3 4472 Flying Scotsman is a famous British steam locomotive renowned for being one of the world’s most iconic express passenger engines and the first to officially reach 100 mph.
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C.
LNER Class A4 4468 Mallard
LNER Class A4 4468 Mallard is a famous British steam locomotive best known for holding the world speed record for steam traction, set in 1938.
-
D.
LMS Jubilee Class
The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
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E.
British Rail Class 47
The British Rail Class 47 is a widely used diesel-electric locomotive class introduced in the 1960s, notable for its extensive service across the UK rail network with both passenger and freight trains.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: LNER Class A3 Target entity description: The LNER Class A3 was a famous class of British express steam locomotives, including the record-breaking Flying Scotsman, designed by Sir Nigel Gresley for high-speed mainline passenger service.
-
A.
LNER Class A1
The LNER Class A1 was a series of powerful British express passenger steam locomotives designed by Sir Nigel Gresley for high-speed mainline services in the early 20th century.
-
B.
LNER Class A3 4472 Flying Scotsman
LNER Class A3 4472 Flying Scotsman is a famous British steam locomotive renowned for being one of the world’s most iconic express passenger engines and the first to officially reach 100 mph.
-
C.
LNER Class A4 4468 Mallard
LNER Class A4 4468 Mallard is a famous British steam locomotive best known for holding the world speed record for steam traction, set in 1938.
-
D.
LMS Jubilee Class
The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
-
E.
British Rail Class 47
The British Rail Class 47 is a widely used diesel-electric locomotive class introduced in the 1960s, notable for its extensive service across the UK rail network with both passenger and freight trains.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
express passenger locomotive class
ⓘ
steam locomotive class ⓘ |
| brakeType | vacuum brake ⓘ |
| configuration | tender locomotive ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| cylinderArrangement | three-cylinder ⓘ |
| cylinderCount | 3 ⓘ |
| designer |
Nigel Gresley
ⓘ
surface form:
Sir Nigel Gresley
|
| developedFrom | LNER Class A1 ⓘ |
| era |
Big Four (British railway companies)
ⓘ
surface form:
Big Four era of British railways
|
| famousExample |
LNER Class A3 4472 Flying Scotsman
ⓘ
surface form:
LNER 4472 Flying Scotsman
|
| fittedWith |
Gresley conjugated valve gear
ⓘ
superheater ⓘ taper boiler ⓘ |
| fuelType | coal ⓘ |
| gauge | standard gauge ⓘ |
| heritageStatus | some units preserved ⓘ |
| historicalPeriod |
British Railways steam era
ⓘ
interwar period ⓘ |
| introduced |
1922
ⓘ
1923 ⓘ |
| locomotiveType | Pacific ⓘ |
| maximumSpeed | 100 mph ⓘ |
| notableFor |
high-speed mainline passenger service
ⓘ
operation of the Flying Scotsman service ⓘ record-breaking runs in British steam era ⓘ |
| numberBuilt | 79 ⓘ |
| operatedBy |
British Rail
ⓘ
surface form:
British Railways
London and North Eastern Railway ⓘ |
| operator |
BR Eastern Region
ⓘ
London and North Eastern Railway ⓘ
surface form:
LNER
|
| operatorRegion | Great Britain ⓘ |
| powerType | steam ⓘ |
| preservedExample |
Flying Scotsman (periodically)
ⓘ
surface form:
Flying Scotsman
|
| primaryRole | express passenger service ⓘ |
| railGauge | 1435 mm ⓘ |
| rebuildOf | LNER Class A1 ⓘ |
| region |
East Anglia
ⓘ
surface form:
Eastern England
Scottish routes on East Coast Main Line ⓘ |
| successorClass | LNER Class A4 ⓘ |
| tenderType | corridor tender (on some units) ⓘ |
| tractionType | steam ⓘ |
| UICClassification | 2′C1′ h3 ⓘ |
| usedFor |
long-distance passenger trains
ⓘ
named express trains ⓘ |
| usedOn | East Coast Main Line ⓘ |
| wheelArrangement | 4-6-2 ⓘ |
| withdrawalCompleted | 1966 ⓘ |
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.
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.
Subject: LNER Class A3 Description of subject: The LNER Class A3 was a famous class of British express steam locomotives, including the record-breaking Flying Scotsman, designed by Sir Nigel Gresley for high-speed mainline passenger service.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.