SECR Q1 class

Specifications
Specifications
Configuration:;
• Whyte	0-4-4T
• UIC	B2′ n2t
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Driver dia.	5 ft 6 in (1.676 m)
Loco weight	49.6 long tons (50.4 t)
Fuel type	Coal
Boiler pressure	150 lbf/in2 (1.03 MPa)
Cylinders	Two,
Cylinder size	18 in × 26 in (457 mm × 660 mm)
Valve gear	Stephenson valve gear

Type and origin
Type and origin
Power type	Steam
Designer	Harry Wainwright
Rebuild date	1903–1919
Number rebuilt	55

SECR Q1 class
SECR Q1 class
Power type
Type and origin
Power type	Steam
Designer	Harry Wainwright
Rebuild date	1903–1919
Number rebuilt	55
Configuration:;
Specifications
Configuration:;
• Whyte	0-4-4T
• UIC	B2′ n2t
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Driver dia.	5 ft 6 in (1.676 m)
Loco weight	49.6 long tons (50.4 t)
Fuel type	Coal
Boiler pressure	150 lbf/in2 (1.03 MPa)
Cylinders	Two,
Cylinder size	18 in × 26 in (457 mm × 660 mm)
Valve gear	Stephenson valve gear
Tractive effort
Performance figures
Tractive effort	16,274 lbf (72.39 kN)
Operators
Career
Operators	South Eastern and Chatham Railway; → Southern Railway;
Class	Q1
Number in class	1 January 1923: 46
Withdrawn	1909–1930
Disposition	All scrapped

The SECR Q1 class was a class of 0-4-4T steam locomotives of the South Eastern and Chatham Railway. The class was rebuilt from older Stirling Q class locomotives by Harry Wainwright between 1903 and 1919.^[1] These locomotives should not be confused with the later SR Q1 class 0-6-0.

Numbering[]

Fifty-five locomotives were rebuilt and 46 survived into Southern Railway ownership on 1 January 1923 with random numbers between 12 and 423. All had been withdrawn by 1930.

References[]

^ Casserley, H.C. and Johnston, S.W., Locomotives at the Grouping 1, Southern Railway, page 42, Ian Allan, 1974, ISBN 0-7110-0552-4

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[1] Casserley, H.C. and Johnston, S.W., Locomotives at the Grouping 1, Southern Railway, page 42, Ian Allan, 1974, ISBN 0-7110-0552-4

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