SER Q class
|SER Q class|
|Type and origin|
|UIC classification||B2′ n2|
|Gauge||4 ft 8 1⁄2 in (1,435 mm)|
|Driver diameter||5 ft 6 in (1.676 m)|
|3 ft 0 in (0.914 m)|
|Wheelbase||22 ft (7 m)|
|Axle load||16 long tons (16.3 t)|
|Locomotive weight||48.65 long tons (49.4 t)|
|Fuel capacity||0.15 long tons (0.2 t)|
|Water capacity||1,050 imp gal (4,800 L; 1,260 US gal)|
|Boiler pressure||140 lbf/in2 (0.97 MPa)|
|Firegrate area||16 sq ft (1 m2)|
– Tubes and flues
|922.5 sq ft (85.70 m2)|
|Cylinder size||18 in × 26 in (457 mm × 660 mm)|
|Tractive effort||15,189 lbf (67.56 kN)|
|Number in class||1 January 1923: 32|
The SER Q class was a class of 0-4-4T steam locomotives of the South Eastern Railway. The class was designed by James Stirling and introduced in 1881. These locomotives should not be confused with the later SR Q class 0-6-0.
Thirty-two unrebuilt locomotives survived into Southern Railway ownership on 1 January 1923 with random numbers between 6 and 424. All had been withdrawn by 1929.
- Casserley, H.C. and Johnston, S.W., Locomotives at the Grouping 1, Southern Railway, page 42, Ian Allan, 1974, ISBN 0-7110-0552-4
- Ahrons, E. L. (1926). The British Steam Railway Locomotive. Ian Allan.
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