LNER Class P2

E211420

2-8-2 locomotive British steam locomotive express passenger locomotive steam locomotive class

The LNER Class P2 was a powerful class of 2-8-2 steam locomotives designed by Sir Nigel Gresley for hauling heavy express trains on the challenging Edinburgh–Aberdeen route in the 1930s.

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All labels observed (3)

Label	Occurrences
LNER Class A2/2	1
LNER Class P2 canonical	1
LNER Class P2 steam locomotive	1

Statements (50)

Predicate	Object
instanceOf	2-8-2 locomotive ⓘ British steam locomotive ⓘ express passenger locomotive ⓘ steam locomotive class ⓘ
boilerPressure	220 psi ⓘ
buildPeriod	1934–1936 ⓘ
configuration	Mikado ⓘ
countryOfOperation	United Kingdom ⓘ
cylinderArrangement	three-cylinder ⓘ
cylinderCount	3 ⓘ
designedByRole	Nigel Gresley ⓘ surface form: LNER Chief Mechanical Engineer
designedFor	Scottish main line gradients and curves ⓘ curving performance with pony truck and Cartazzi trailing axle ⓘ hauling heavy express trains ⓘ
designer	Nigel Gresley ⓘ surface form: Sir Nigel Gresley
era	1930s ⓘ
firstLocomotiveName	Cock o’ the North ⓘ
firstLocomotiveNumber	2001 ⓘ
fuelType	coal ⓘ
gauge	standard gauge ⓘ
heritageProject	new-build P2 No. 2007 Prince of Wales ⓘ
heritageProjectOperator	A1 Steam Locomotive Trust ⓘ
historicalStatus	all originals rebuilt and scrapped ⓘ
introduced	1934 ⓘ
notableFeature	large boiler for high power output ⓘ long rigid wheelbase ⓘ streamlined front end on later members ⓘ
notableFor	being among the most powerful express passenger steam locomotives in the UK ⓘ
numberBuilt	6 ⓘ
operatedBy	London and North Eastern Railway ⓘ
operator	London and North Eastern Railway ⓘ surface form: LNER
originalDesignVariant	P2/1 design ⓘ
powerType	steam ⓘ
primaryRoute	Edinburgh to Aberdeen line ⓘ surface form: Aberdeen–Edinburgh line Edinburgh to Aberdeen line ⓘ surface form: Edinburgh–Aberdeen line
railwayCompany	London and North Eastern Railway ⓘ surface form: LNER
railwayRegion	British Railways Scottish Region ⓘ surface form: LNER Scottish Area
reasonForRebuild	poor route availability and mechanical reliability issues ⓘ
rebuilder	Edward Thompson ⓘ
rebuilderRole	Nigel Gresley ⓘ surface form: LNER Chief Mechanical Engineer
rebuiltAs	LNER Class P2 self-linksurface differs ⓘ surface form: LNER Class A2/2
region	Scotland ⓘ
serviceType	express passenger ⓘ
subsequentDesignVariant	streamlined P2/2 design ⓘ
trackGauge	1435 mm ⓘ
UICClassification	1′D1′ h3 ⓘ
valveGear	Gresley conjugated ⓘ Walschaerts ⓘ
wheelArrangement	2-8-2 ⓘ
withdrawn	1944 ⓘ

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: LNER Class P2
Description of subject: The LNER Class P2 was a powerful class of 2-8-2 steam locomotives designed by Sir Nigel Gresley for hauling heavy express trains on the challenging Edinburgh–Aberdeen route in the 1930s.

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

London and North Eastern Railway → notableLocomotiveClass → LNER Class P2 ⓘ

LNER Class P2 → rebuiltAs → LNER Class P2 self-linksurface differs ⓘ

this entity surface form: LNER Class A2/2

Nigel Gresley → notableWork → LNER Class P2 ⓘ

this entity surface form: LNER Class P2 steam locomotive