SECR Q1 class

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

Specifications
Configuration	0-4-4T
UIC class	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

Performance figures
Tractive effort	16,274 lbf (72.39 kN)

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Withdrawn	1909–1930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 All had been withdrawn by 1930.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

South Eastern and Chatham Railway Locomotives

SER

B. Cubitt (1842–1845)	13 1 (1841) 7 19 23

J. Cudworth (1845–1876)	1 (1846) 88 68 115 144 27 81 134 152 47 95 6 21 113 59 179 118 19 205 10 235 (G1) 124 171 152

A. M. Watkin (1876–1877)	259

R. C. Mansell (1877–1878)	58

J. Stirling (1878–1898)	A B F O Q R

LCDR

J. Cubitt & T. R. Crampton (1853–1860)	Sondes Tiger (G Class) Echo (K Class)

Secondhand (1860–1861)	Meteor Swale Magnet Hercules Aeolus ex-LNWR 2-2-0s Brigand (O Class) Ruby (S Class)

W. Martley (1860–1874)	Acis (H Class) Adrian (J Class) Huz New Aeolus (S Class) Rose (Q Class) Second Sondes (F Class) Scotchmen (E Class) Large Scotchmen (D Class) Dawn (N Class) Bluebell (P Class) Reindeer (L Class) Enigma (L Class) Europa (C Class)

W. Kirtley (1874–1899)	A A1 A2 B B1 B2 M M1 M2 M3 R R1 T

SECR

Harry Wainwright (1899–1913)	B1 C D E F1 H J L O1 P Q1 R1

R. E. L. Maunsell (1913–1922)	D1 E1 K and K1 N N1 S

Others

William Pickersgill (GNoS)	G

John Ramsbottom	Ironclads

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