LSWR T1 class

T1 class Nº 1 at Winchester (City) station, October 1947

Type and origin
Power type	Steam
Designer	William Adams
Builder	LSWR Nine Elms Locomotive Works
Build date	1888–1896
Total produced	50

Specifications
Configuration	0-4-4T
UIC class	B2'nt
Gauge	4 ft 8 ¹⁄₂ in (1,435 mm)
Driver dia.	5 ft 7 in (1.702 m)
Trailing dia.	3 ft 0 in (0.914 m)
Wheelbase	23 ft 0 in (7.01 m)
Length	35 ft 1 ¹⁄₂ in (10.71 m)
Axle load	18.50 long tons (18.80 t)
Adhesive weight	35.95 long tons (36.53 t)
Loco weight	55.00 long tons (55.88 t)
Fuel type	Coal
Fuel capacity	2.00 long tons (2.03 t)
Water cap	1,200 imperial gallons (5,500 l; 1,400 US gal)
Boiler pressure	160 psi (1.10 MPa)
Cylinders	Two, inside
Cylinder size	18 in × 26 in (457 mm × 660 mm)

Performance figures
Tractive effort	17,099 lbf (76.1 kN)

Career
Operators	LSWR · SR · BR
Class	T1
Power class	LSWR/SR: K, BR: 1P
Withdrawn	1931–1951
Disposition	All but a single boiler scrapped

The London and South Western Railway T1 class was a class of fifty 0-4-4T steam tank locomotives designed for suburban passenger work, designed by William Adams and built between 1888–1896.

The class were numbered 1–20, 61–80 and 358–367. In typical London and South Western Railway fashion, they reused the numbers of retired or duplicated engines. The class remained largely intact until the 1930s, being scheduled to be withdrawn by 1940, however due the Second World War a few remained in traffic (around eight examples) until the early British Railways years, the final one (30007) being withdrawn in May 1951.

Order	Year	Quantity	LSWR numbers
T1	1888	10	61–70
D2	1889	10	71–80
F6	1894	10	1–10
S6	1895	10	11–20
A7	1896	10	358–367

No complete T1 locomotives were saved for preservation, however a boiler from a withdrawn locomotive was found in a factory in Essex and was subsequently purchased for use on a 'new' T1 locomotive. Since September 2004, this boiler has been stored on the Avon Valley Railway.

References

Russell, J. H. (1991). A Pictorial Record of Southern Locomotives. OPC-Haynes. pp. 164–168.

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LSWR Locomotive Classes

J.V. Gooch 1841–1850	Eagle Bison Mazeppa Vesuvius

J.H. Beattie 1850–1871	Hercules Tartar Sussex Canute Saxon Chaplin Minerva Nelson Nile Tweed Undine Clyde Gem Eagle Falcon Standard 2-4-0WT Lion Volcano 221 231 Vesuvius

W.G. Beattie 1871–1878	273 282 302 318 330 348

W. Adams 1878–1895	380 135 395 46 415 445 460 A12 T1 O2 X2 B4 T3 G6 T6 X6

D. Drummond 1895–1912	T7 M7 700 C8 F9 T9 E10 K10 K11 (railcar) L11 S11 H12 (railcar) L12 F13 H13 (railcar) C14 E14 G14 P14 S14 T14 D15

R. Urie 1912–1922	H15 N15 S15 G16 H16

Other designs	Vulcan & Bredwalda Clausetum & Ironside Terrier PD&SWJR 0-6-2T PD&SWRJ 0-6-0T

SE&CR locomotives LB&SCR locomotives Southern Railway locomotives

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