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LNWR Class A
No. 50 in photographic grey livery
Type and origin
Power type
Steam
Designer
F.W. Webb
Builder
LNWR at Crewe Works
Build date
1893–1900
Total produced
111
Specifications
Configuration:
• Whyte
0-8-0
• UIC
D n3vG
Gauge
4 ft 8+1⁄2 in (1,435 mm)
Driver dia.
4 ft 8 in (1.42 m)
Wheelbase
17 ft 3 in (5.26 m)
Loco weight
50 long tons 0 cwt (112,000 lb or 50.8 t)
Fuel type
Coal
Boiler pressure
175 psi (1.21 MPa)
Heating surface
1,489 sq ft (138.3 m2)
Cylinders
Three, compound
High-pressure cylinder
(2 outside) 15 by 24 inches (380 mm × 610 mm)
Low-pressure cylinder
(1 inside) 30 by 24 inches (760 mm × 610 mm)
Valve gear
Stephenson link motion
Career
Operators
London and North Western Railway
Disposition
15 rebuilt to Class C 1904–06 62 rebuilt to Class D 1906–09 34 rebuilt to Class C1 1909–12
The London and North Western Railway (LNWR) Class A was a class of 0-8-0 steam locomotives. From 1893 to 1900, Crewe Works built 111 of these engines, which had a three-cylinder compound arrangement, and were designed by Francis Webb. According to the LNWR Society, 110 were built between 1894 and 1900.[1]
^LNWR Society. "Goods Engines of LNWR - 'A' Class". Lnwrs.org.uk. Retrieved 9 April 2012.
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