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GNR Class L1 LNER Class R1
GNR Class L1 0-8-2T locomotive
Type and origin
Power type
Steam
Designer
Henry Ivatt
Builder
Doncaster Works
Serial number
1004, 1056–1065, 1097–1106, 1119–1138
Build date
1903–1906
Total produced
41
Specifications
Configuration:
• Whyte
0-8-2T
• UIC
D1 n2t
Gauge
4 ft 8+1⁄2 in (1,435 mm)
Driver dia.
4 ft 8 in (1.42 m)
Trailing dia.
3 ft 8 in (1.12 m)
Length
38 ft 7+1⁄4 in (11.767 m)
Loco weight
71.35 long tons (72.49 t)
Fuel type
Coal
Fuel capacity
2.5 long tons (2.5 t)
Water cap.
1,500 imp gal (6,800 L; 1,800 US gal)
Boiler pressure
175 psi (1.21 MPa)
Cylinders
Two, inside
Cylinder size
20 in × 26 in (510 mm × 660 mm)
Performance figures
Tractive effort
27,626 lbf (122.89 kN)
Career
Operators
Great Northern Railway
→ London and North Eastern Railway
Numbers
116–156
Withdrawn
1927–1934
Disposition
All scrapped
The Great Northern Railway (GNR) Class L1 (LNER Class R1) was a 0-8-2T side tank steam locomotive designed by Henry Ivatt. It was originally designed for suburban passenger traffic on the Metropolitan City Lines.[1]
A prototype was built in 1903, but it was overweight, so it was rebuilt with a smaller boiler and shorter side tanks. Ten more engines were then built to this modified design. During the "small boiler" era, the cylinders were lined to 18" to match the boilers.
In 1905 and 1906, thirty more engines were built for working goods trains in the West Riding of Yorkshire. The original eleven engines were not a great success on passenger services so, in 1907, they were moved to the West Riding for goods work.
^"The Ivatt R1 0-8-2 Tank Locomotives". The London & North Eastern Railway (LNER) Encyclopedia.
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