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Taff Vale Railway U and U1 classes
Type and origin
Power type
Steam
Designer
Tom Hurry Riches
Builder
Vulcan Foundry
Build date
U: 1895; U1: 1896
Total produced
U: 8 U1: 7
Specifications
Configuration:
• Whyte
0-6-2T
• UIC
C1 n2t
Gauge
4 ft 8+1⁄2 in (1,435 mm) standard gauge
Driver dia.
5 ft 3 in (1.600 m)
Trailing dia.
U: 3 ft 8+3⁄4 in (1.137 m); U1: 3 ft 1 in (0.940 m)
Loco weight
U: 63 long tons 0 cwt (141,100 lb or 64 t) (70.6 short tons); U1: 62 long tons 18 cwt (140,900 lb or 63.9 t) (70.4 short tons)
Boiler pressure
160 psi (1.10 MPa)
Superheater
None
Cylinders
Two
Cylinder size
17.5 in × 26 in (444 mm × 660 mm)
Valve gear
Stephenson
Performance figures
Tractive effort
17,190 lbf (76.46 kN)
Career
Operators
TVR » GWR
Retired
1927–1931
Disposition
All scrapped
The Taff Vale Railway U and U1 classes were 0-6-2T steam tank locomotive operated by Taff Vale Railway, Wales, from 1895. All were still in use when the Taff Vale Railway was acquired by the Great Western Railway in 1922 but were withdrawn from traffic between 1927 and 1931.
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