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Record: 10408 (31/12/2024)
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LNWR Webb "Precursor" Class 2-4-0
Class Types
LNWR Class |
Precursor |
General
Designer |
Francis Webb |
Introduced |
1874 |
Pre-Grouping Company |
London and North Western Railway |
Wheel Arrangement |
2-4-0 |
Number Built as Precursor |
40 |
Number Scrapped |
40 |
First in Service |
04/1874 |
Last in Service |
11/1895 |
Manufacturers |
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Orders |
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Historical Data |
Webb's first design for the LNWR. Fitted with Allan motion, cabs (!) and closed splashers. |
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Power
Variant Introduced |
1874 |
Inside Cylinders |
17" x 24" (2 off) |
Inside Motion |
Allan |
Wheels
Pony |
3' 6" |
Drivers |
5' 6" |
Locomotive Wheelbase |
15' 8" |
Descriptive Wheelbase |
7' 5" + 8' 3" = 15' 8" (engine only) |
Boiler & Firebox
Boiler Diagram |
Precursor |
Boiler Notes |
As fitted to Webb 2-4-0 Precursor class |
Boiler Max Diameter |
4' 2" |
Boiler Barrel Length |
9' 10" |
Boiler Pressure |
120lbs |
Total Heating Area |
1074.6ft2 |
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