railroad.wikisort.org - TrainThe GWR 101 Class consisted of a single experimental 0-4-0T side-tank steam locomotive. It was built at GWR Swindon Works under the direction of George Jackson Churchward in June 1902.
Unique oil-burning steam locomotive
GWR 101 Class |
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No. 101 after conversion to burn coal |
Type and origin |
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Power type | Steam |
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Designer | George Jackson Churchward |
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Builder | GWR Swindon Works |
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Order number | Lot 136 |
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Serial number | 1969 |
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Build date | 1902 |
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Total produced | 1 (prototype) |
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Rebuild date | 1905 |
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Specifications |
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Configuration:
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• Whyte | 0-4-0T |
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Gauge | 1,435 mm (4 ft 8+1⁄2 in) |
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Coupled dia. | 3 ft 8 in (1.118 m) |
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Wheelbase | 9 ft (2.743 m) |
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Fuel type | Oil (Original) Coal (Rebuilt) |
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Cylinders | Two, outside |
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Cylinder size | 13 in × 22 in (330 mm × 559 mm) |
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Valve gear | Joy valve gear |
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Career |
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Operators | GWR |
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Numbers | 101 |
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Withdrawn | 1911 |
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Disposition | Scrapped |
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Originally built as an oil-burning locomotive 'on Holden's system'[lower-alpha 1], it had an unusual boiler containing a firebox constructed as an arched chamber made from fire-bricks, opening to the firetubes in front, and with two oil-burning nozzles at the back. Over this was mounted a short saddle tank for the oil fuel. There was no outer firebox, but the 8 ft × 5 ft (2.438 m × 1.524 m) boiler, pressed to 180 psi (1.2 MPa), contained 289 firetubes in the lower part and a large steam space above.
As soon as July 1902, it was redesigned with a smaller firebox and a single burner. In 1903 it was given a Lentz boiler with a cylindrical corrugated firebox inside the barrel. The saddle tank for fuel was removed and oil stored at the rear end of the side tanks. In 1905, the locomotive was rebuilt as a coal burner, with the cab backplate replaced by a bunker.
It was intended for light passenger service on the Wrington Vale Light Railway near Bristol. However, due to technical issues associated with the design, the locomotive never saw the intended service. It remained at Swindon Works, used as a works shunter. No further engines were built to this design, and the locomotive was withdrawn and scrapped in 1911.
Despite it being a unique, obscure and short-lived experimental loco, Hornby have been producing a 00 scale model of No. 101 since 1978, in many prototypical and non-prototypical guises. It is currently sold as part of the Railroad range. Hornby inaccurately ascribe the whole design to Holden, instead of just the oil-burning mechanism.
See also
- GWR oil-burning locomotives 1946–1949
- Oil burning locomotives
Notes
- James Holden left the GWR in 1885 for the GER, where he developed oil burning technology for steam locomotives, being granted a patent for it[3] in 1899.
References
- Allcock, N. J.; Davies, F. K.; le Fleming, H. M.; Maskelyne, J. N.; Reed, P. J. T.; Tabor, F. J. (1968) [1951]. White, D. E. (ed.). The Locomotives of the Great Western Railway, part one: Preliminary Survey. Kenilworth: RCTS.
- Haresnape, Brian (1976). Churchward locomotives : a pictorial history. London: I. Allan. ISBN 0711006970.
- "Hornby Railways Collector Guide - Class - Class 101 Holden Tank - Steam". www.hornbyguide.com. Retrieved 16 August 2016.
- Tabor, F.J. (August 1959). White, D.E. (ed.). The Locomotives of the Great Western Railway, part six: Four-Coupled Tank Engines. RCTS. ISBN 0-901115-36-3.
Great Western Railway locomotives |
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Swindon Broad gauge | Brunel: (1833–1837) | |
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Gooch: (1837–1864) | |
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J. Armstrong: (1864–1877) | |
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Dean: (1877–1902) | |
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Wolverhampton Standard gauge | J. Armstrong: (1854–1864) | |
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G. Armstrong: (1864–1897) | |
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Swindon Standard gauge | Gooch: (1855–1864) |
- 57
- 69
- 77/167
- 79
- 91
- 93
- 131/310
- 149 England/Chancellor
- 157 Sharps
- 320
- 322 Beyer
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J. Armstrong: (1864–1877) | |
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Dean: (1877–1902) | |
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Churchward: (1902–1921) | |
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Collett: (1922–1941) | |
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Hawksworth: (1941–1947) | |
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By wheel arrangement (grouped) | |
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Absorbed locomotives | Barry Railway: | |
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Rhymney Railway: | |
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Taff Vale Railway: |
- A
- C
- D
- E
- H
- K
- L
- M1
- N
- O
- O1
- O2
- O3
- O4
- S
- T
- U
- U1
- V
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Narrow gauge locomotives | Corris Railway: | |
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Welshpool and Llanfair Light Railway: | |
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Vale of Rheidol Railway: | |
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- British Railways steam locomotives
- GWR locomotives
- LMS locomotives
- LNER locomotives
- Southern Railway locomotives
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