GWR Rheidol Tanks

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GWR Rheidol Tank
VoR No 8 Llywelyn.jpg
Llywelyn outside the locomotive works in Aberystwyth in 2015
Type and origin
Power typeSteam
Designer Charles Collett
BuilderGWR Swindon Works
Order number
  • Nos. 7 & 8: Lot 227
  • No. 9: none
Build date1923–24
Total produced3
Specifications
Configuration:
   Whyte 2-6-2 T
   UIC 1′C1′
Gauge 1 ft 11+34 in (603 mm)
Leading dia. 2 ft 0 in (610 mm)
Coupled dia.2 ft 6 in (762 mm)
Trailing dia. 2 ft 0 in (610 mm)
Fuel type Coal
Boiler pressure165 lbf/in2 (1.14 MPa)
Cylinders Two, outside
Cylinder size 11+12 in × 17 in (292 mm × 432 mm)
Valve gear Walschaerts
Loco brake Air brakes
Train brakes Air brakes
Couplers Chopper
Performance figures
Maximum speed20 mph (32 km/h)
Tractive effort 10,510 lbf (46.75 kN)
Career
Operators Great Western Railway
British Railways
Vale of Rheidol Railway
Number in class3
Numbers7, 8, 9 (1213)
Locale Aberystwyth
DeliveredOctober 1923
Current ownerVale of Rheidol Railway Ltd
DispositionAll preserved

The GWR Rheidol Tanks are a fleet of 2-6-2 T steam locomotives of the Great Western Railway design built between 1923 and 1924. They were designed by the railway's Chief Mechanical Engineer, Charles Collett, for working services on the Vale of Rheidol Railway between Aberystwyth and Devil's Bridge (Pontarfynach).

Contents

Background

Prior to the railway grouping in 1923, the Vale of Rheidol Railway was operated by Cambrian Railways. The fleet consisted of two locomotives built by Davies and Metcalfe, supplemented by a Bagnall locomotive.

Shortly after taking control of the line, the GWR realised that the original rolling stock was in a poor state of repair. They built three new locomotives (numbered 7, 8 and 1213) at the GWR's Swindon Works. Number 1213 was later renumbered 9.

Mistaken identity

It is still possible to find references (in print, and on-line) to the mistaken belief that No. 9 is one of the original Davies & Metcalfe Locomotives, [1] as some websites and books incorrectly perpetuate this myth, [2] having been successfully misled by Swindon Works. [3] The Works were very effective in their coverup, entitling the parts that made up the new No. 1213 as 'spares' in the accounts book, as the GWR Board had only given them leave to build two new locomotives (No. 7 & No. 8). [4] A simple test to prove that No. 9 is actually of the same vintage as No. 7 & No. 8 is to compare the working drawings between it and a Davies and Metcalfe locomotive — Rheidol historian C C Green, who carried out this comparison, stated of all three current locomotives that "mechanically they are identical", and having compared the current No. 9 (the 'new' 1213) with the plans of the original 1213 stated that "no single part" of the original locomotive could possibly have fitted the new one. [5]

In 1946, the GWR began a renumbering of the remaining locomotives inherited from pre-Grouping companies, but since it was only carried out as locomotives received heavy repairs, the process took several years. [6] Under this scheme, the 'new' 1213 was renumbered No. 9 in March 1949. [7] [8]

British Rail ownership

7 Owain Glyndwr in BR blue Adventure In Narrow Gauge - 1 (8656033648).jpg
7 Owain Glyndwr in BR blue

Along with other ex-GWR locomotives, Nos. 7 and 8 retained their numbers under British Railways ownership, with no. 1213 also initially retaining its number until renumbered in 1949 under the 1946 plan. [8] In June 1956 the three were given the names which they still carry today, being unnamed up to that point; no, 9 received the name Prince of Wales that its predecessor had borne until repainted into Cambrian Railways livery after that company absorbed the locomotive in July 1913. [9] These three locos were the only steam engines to survive in BR's ownership after the end of main line steam traction in August 1968, excluding steam powered cranes which remained in service until 1995. Under the TOPS numbering arrangements introduced at this time they were allocated Class 98 and were nominally numbered 98007–98009, but these numbers were never actually carried on the locomotives. All three locomotives, and the rolling stock, carried standard British Rail 'rail blue' livery until the 1980s, when the locomotives were given more traditional liveries that they had carried in the past.

Conversion to oil firing

The locomotives were originally designed to burn coal, however there was a period spanning over thirty years during which the three locomotives were oil fired. Problems with sparks and unreliability of the coal supplied caused British Railways to look to alternative fuels for the locomotives. Locomotive No. 7 was the first to be converted in 1978, followed by No. 8 in 1979 and No. 9 in 1981. [10] This change was later reversed with Locomotive No. 8 returning to coal in 2012 and No. 9 in 2013. [11]

Preservation

All three Vale of Rheidol tanks are still in service and operating on their original route.

The standard livery is Great Western Railway green and all three locomotives currently carry this livery. The locomotives were named by British Railways in 1956 and currently do not carry their nameplates.

ImageNumberNameYear builtNotesIn Traffic?
VOR7 Abery1.jpg 7 Owain Glyndŵr 1923Hauled the last steam service under British Rail ownership of the line.In Traffic
VoR No 8 Llywelyn.jpg 8 Llywelyn [12] 1923In Traffic
VoR No 9 Prince of Wales.jpg 9 (1213) Prince of Wales 1924Put through Swindon works during 1923–24 as an overhaul of the original No. 2, but is in fact a complete new locomotive. [13] Numbered 1213 from delivery until gaining the No. 9 in 1949. [7] As of November 2016 the locomotive carries No. 1213 once more.Awaiting Overhaul

See also

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References

  1. See, for example, Michael Rutherford, 'Railway Reflections No 129', photo caption of No. 8 and 'new' 1213, the latter referenced as 'formerly No 2': photo captions indexed at SteamIndex, here.
  2. See, for example, the incorrect locomotive data catalogued archived here by the Narrow Gauge Railway Museum website.
  3. See 'Vale of Rheidol Light Railway', by W J K Davies, published 1964 by Ian Allan Limited, for a discussion of the accounting coverup.
  4. See British Heritage Railways website Archived 2015-09-23 at the Wayback Machine , section headed 'locomotives'.
  5. Green,1986, Page 189.
  6. Davies et al. 1966, p. K4.
  7. 1 2 Green 1986, p. 192.
  8. 1 2 Davies et al. 1966, p. K78.
  9. Davies et al. 1966, pp. K53, K77.
  10. Green, 1986, pages 201203
  11. Johnson, 2020, pages 171173
  12. "Locomotives". Vale of Rheidol Railway. Retrieved 4 October 2021.
  13. Green 1986, p. 189.

Bibliography