LNWR Whale Experiment Class

LNWR Experiment Class
LNWR Experiment Class
	No. 165 City of Lichfield at Hillhouse steam shed
Power type
Type and origin
Power type	Steam
Designer	George Whale
Builder	Crewe Works
Serial number	4505–09, 4550–59, 4620–39, 4680–89, 4770–89, 4830–69
Build date	1905–1910
Total produced	105
Rebuild date	1915
Number rebuilt	1
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-0
• UIC	2′C n2 (rebuilt: 2′C n4)
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Leading dia.	3 ft 9 in (1.143 m)
Driver dia.	6 ft 3 in (1.905 m)
Loco weight	65.75 long tons (66.81 t)
Fuel type	Coal
Boiler pressure	175 psi (1.21 MPa)
Heating surface	2,041 sq ft (189.6 m2)
Cylinders	Two (rebuilt: four)
Cylinder size	19 in × 26 in (483 mm × 660 mm);; rebuilt: 14 in × 26 in (356 mm × 660 mm)
Valve gear	Joy; rebuilt: Dendy-Marshall
Valve type	Slide valves
Tractive effort
Performance figures
Tractive effort	18,616 lbf (82.8 kN); rebuilt: 20,232 lbf (90.0 kN)
Operators
Career
Operators	London and North Western Railway; → London, Midland and Scottish Railway
Power class	LMS: 3P
Number in class	1 January 1923: 105
Withdrawn	1925–1935
Disposition	All scrapped

The London and North Western Railway (LNWR) Experiment Class was a class of 4-6-0 steam locomotive designed by George Whale.

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