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DWWR 24

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Irish rail locomotive

DW&WR 24
Type and origin
Power typeSteam
DesignerMeikle/John Wakefield
BuilderSharp Stewart
Serial number1478–80 2304/5
Build date1864, 1873
Total produced5
Specifications
Configuration:
​
 • Whyte2-4-0
Gauge5 ft 3 in (1,600 mm)
Leading dia.3 ft 7+1⁄2 in (1,105 mm)
Driver dia.5 ft 4+1⁄4 in (1,632 mm)
Length29 ft (8,800 mm) (est.)
Axle load11.5 long tons (11.7 t)
Loco weight32.2 long tons (32.7 t)
Water cap.2,100 imp gal (9,500 L; 2,500 US gal)
Boiler pressure160 lbf/in (1.10 MPa)
Cylinders2
Cylinder size16 in × 22 in (406 mm × 559 mm)
Performance figures
Tractive effort11,140 lbf (49.55 kN)
Career
Operators
ClassG7 (Inchicore)
Power classQ
Number in class4
Numbers
  • 24,25,26,32,33
  • 422 (GSR)
LocaleIreland
Withdrawn1928
As built

Dublin, Wicklow and Wexford Railway (DW&WR) 24 was the lead engine of a class of five 2-4-0 tender locomotives built in two batches in 1864 and 1873.

History

The engines are attributed to the locomotive superintendent William Meikle and the first three, Nos. 24 (Glenamore), 25 (Gleanart) and No. 26 were supplied in 1864. A further two, No. 32 (Glenmalure) and No. 33 (Glendalough) with detail differences followed in 1873.

At this time the DW&WR was extending south, from Enniscorthy in 1963 to Wexford by 1874. These engines took over the main line express passenger trains to Wicklow and Wexford from earlier 2-4-0 types. They continued to work main line expresses until replaced by more powerful 4-4-0s in 1895.

No. 26 (Blackrock) was converted into a 2-4-0T locomotive in 1900 and served on the Shillelagh branch line thereafter.

No. 25 was Irish Civil War loss. All were life expired by 1925 and withdrawn immediately on the amalgamation to Great Southern Railways apart from No. 24 which lasted until 1928 becoming GSR No. 422 and the sole member of class 422 / G7.

Notes and references

Notes

  1. Ahrons records 15" x 22" cylinders and records driving wheels of 5' 3" rebuilt to 15" x 24" and 5' 6" in 1886. Both Ahrons and Clements/McMahon also note differences in the later engines.
  2. The initial date of 1964 preceded John Wakefield's appointment although some sources attribute the locomotives to him

References

  1. ^ Clements, Jeremy; McMahon, Michael (2008). Locomotives of the GSR. Colourpoint Books. pp. 129–133, 157–158. ISBN 9781906578268.
  2. ^ Ahrons, E. L. (1954). L. L. Asher (ed.). Locomotive and train working in the latter part of the nineteenth century. Vol. six. W Heffer & Sons Ltd. p. 44.
Steam locomotives of Ireland
Belfast and County Down Railway (1846–1948)
Belfast and Northern Counties Railway (1860–1903)
Northern Counties Committee (1903–1949)
Great Northern Railway (1876–1958)
Sligo, Leitrim and Northern Counties Railway (1875–1957)
Cork, Bandon and South Coast Railway (1849–1924)
Dublin and Kingstown Railway (1834–1856)
Dublin and South Eastern Railway (1854–1925)
Great Southern and Western Railway (1845–1924)
Midland Great Western Railway (1847–1924)
Great Southern Railways (1925–1944)
Córas Iompair Éireann (1945–1962)
Tralee and Dingle Light Railway (1891–1953)
Industrial engines
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