GWR Thunderer locomotive

GWR Thunderer

Type and origin
Power type	Steam
Designer	T. E. Harrison
Builder	R. & W. Hawthorn & Co.
Serial number	235
Build date	1838
Total produced	1

Specifications
Configuration	0-4-0+6
Gauge	7 ft ¹⁄₄ in (2,140 mm)
Driver dia.	6 ft 0 in (1,829 mm)
Wheelbase	7 ft 0 in (2.13 m)
Cylinder size	16 in × 20 in (406 mm × 508 mm)

Career
Operators	Great Western Railway
Withdrawn	1839
Disposition	Scrapped

Thunderer was the first of a pair of steam locomotives (the other being Hurricane) built for the Great Western Railway (GWR), England, by R. & W. Hawthorn & Co. whose design was very different from other locomotives. In order to meet Isambard Kingdom Brunel's strict specifications, an 0-4-0 frame carried the 'engine', while the boiler was on a separate six-wheeled frame. The driving wheels were geared 10:27 in order to reduce the cylinder stroke speed while allowing high track speed, in line with the specifications.

The locomotive was delivered to the GWR on 6 March 1838 and ceased work in December 1839^[1] after running only 9,882 miles (15,904 km), but its boiler section was kept as a stationary boiler.

Notes

↑ Reed 1953, p. B11

References

Reed, P.J.T. (February 1953). White, D.E., ed. The Locomotives of the Great Western Railway, Part 2: Broad Gauge. Kenilworth: Railway Correspondence and Travel Society. ISBN 0-901115-32-0.
Waters, Laurence (1999). The Great Western Broad Gauge. Hersham: Ian Allan Publishing. ISBN 0-7110-2634-3.

Great Western Railway locomotives

Swindon
Broad gauge

Brunel: (1833–1837)	Haigh Foundry Mather, Dixon Sharp, Roberts Charles Tayleur Hurricane Thunderer

Gooch: (1837–1864)	Ariadne Banking Bogie Caesar Firefly Hercules Iron Duke Leo Metropolitan Premier Prince Pyracmon Star Sun Victoria Waverley

J. Armstrong: (1864–1877)	Hawthorn Rover Sir Watkin Standard Goods Swindon 1076

Dean: (1877–1902)	Experimental locomotives (8, 14, 16) 3001 3501 3521

Wolverhampton
Standard gauge

J. Armstrong: (1854–1864)	7/8/30/110 17 111 302

G. Armstrong: (1864–1897)	34 108 119 322 (tank) 517 633 645 655 850 1016 1901 3571

Swindon
Standard gauge

Gooch: (1855–1864)	57 69 77/167 79 91 93 131/310 149 England/Chancellor 157 Sharps 320 322 Beyer

J. Armstrong: (1864–1877)	55 Queen/Sir Alexander 455 Metro Tank 56/717 927 Coal Goods 360 378 Sir Daniel 388 Standard Goods 439 Bicycle 481 806 1076

Dean: (1877–1902)	Experimental locomotives (1, 7, 9, 10, 13) Armstrong 36 69 River 157 Sharpies/Cobham 1661 1813 1854 2021 2201 2301 2361 2602 Kruger 2600 Aberdare 2721 3031 Dean Single 3201 3206 3232 3252 Duke 3300 Bulldog 3521 3600 4100 Badminton

Churchward: (1902–1921)	102 La France 103 President 111 The Great Bear 1361 2221 County Tank 2800 2900 Saint 3100 (later 5100) 3150 3700 City 3800 County 4000 Star 4200 4300 4400 4600 4500 4700 Rail motors

Collett: (1922–1941)	1101 1366 2251 2884 3000 (ex-ROD 2-8-0) 3100 3200 (later 9000) Earl 4073 Castle 4575 4800 (later 1400) 4900 Hall 5101 5205 5400 5600 5700 5800 6000 King 6100 6400 6800 Grange 7200 7400 7800 Manor 8100 Diesel railcars Diesel shunters

Hawksworth: (1941–1947)	1000 County 1500 1600 6959 Modified Hall 9400

By wheel
arrangement

(grouped):	0-4-0ST 0-6-0PT 0-6-2T 2-6-2T

Absorbed
locomotives

Barry Railway:	A B B1 C D E F G H K J L

Rhymney Railway:	A AP B I K L L1 M P P1 R S S1

Taff Vale Railway:	A C D E H K L M1 N O O1 O2 O3 O4 S T U U1 V

Narrow gauge
locomotives

Corris Railway:	3 4

Welshpool and Llanfair Light Railway:	822–823

Vale of Rheidol Railway:	7–9

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GWR Thunderer locomotive

See also

Notes

References