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Record: 10408 (31/12/2024)
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LNWR Webb "Experiment 2-(2-2)-0" Class 2-(2-2)-0


Class Types
LNWR Class Experiment

General
Designer Francis Webb
Introduced 1882
Pre-Grouping Company London and North Western Railway
Wheel Arrangement 2-(2-2)-0
Number Built as Experiment 2-(2-2)-0 30
Number Scrapped 30
First in Service 01/1882
Last in Service 12/1905
Manufacturers
ManufacturerTotal
Crewe Works 30
Orders
BuilderSponsorOrder #DateSize
Crewe Works  n/a 01/1882 1
Crewe Works  n/a 02/1883 4
Crewe Works  n/a 07/1883 5
Crewe Works  n/a 01/1884 20
Historical Data Compound engines with divided drive - 2 high pressure outside cylinders drove the rear pair of driving wheels while a single inside frame low pressure cylinder drove the leading driving wheels.
Joy gear on low pressure cylinders (later replaced on some engines).

Power
Variant Introduced 1882
Inside Cylinders 26" x 24" (1 off)
Inside Motion Joy
Outside Cylinders 13" x 24" (2 off)
Outside Motion Joy

Wheels
Pony 3' 6"
Drivers 6' 6"
Locomotive Wheelbase 17' 7"
Descriptive Wheelbase 9' 4" + 8' 3" = 17' 7" (engine only)

Dimensions
Weight (loco only) 38t 0cwt

Boiler & Firebox
Boiler Max Diameter 4' 2"
Boiler Barrel Length 9' 10"
Firebox Type Precedent
Total Heating Area 1083ft2