MGWR Class 9

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MGWR Class 9
Type and origin
Power typeSteam
Builder Grendon
Build date1855-1856
Specifications
Configuration:
   Whyte 0-6-0
Gauge 5 ft 3 in (1,600 mm)
Driver dia.45 ft 1 in (13,740 mm)
Loco weight20 tons
Career
Operators Midland Great Western Railway (MGWR)
Number in class4 (MGWR)
Numbers36-39
LocaleIreland
Delivered1855-1856
Withdrawn1881

The Midland Great Western Railway (MGWR) Class 9 consisted of four engines built by Thomas Grendon and Company of Drogheda in the period 1855-1856. [1]

MGWR No.NameIntroducedWithdrawn
36Stockwell18551881
37Voltigeur18551881
38Birdcatcher18561881
39Harkaway18561881

The MGWR Class 9 was the first 0-6-0 type on the MGWR. It has 5 feet 1 inch (1.55 m) driving wheels. They were ordered by Edward Wilson during his short tenure as Locomotive Superintendent from 1853. It is speculated Wilson had little to do with the design, especially as Robert Stephenson and Company had subcontracted an 0-6-0 build to Grendons at this time. [1]

The 0-6-0 three driving axle design has 6 driving wheels against the rail as opposed to the 2-4-0 or 4-2-0 which have two axles and 4 driving wheels. If other factors are equal will have better adhesion and less propensity to slip and should be able to haul a heavier train, for example the MGWR Class 9 had demonstrated the capability to pull 600 tons at 20 miles per hour (32 km/h). The difficulty lies in a coupling rod over more than 2 axles is more complex to allow for vertical motion. The next two Locomotive Superintendents, Joseph Cabry and Robert Ramage, remained with the 2-4-0, 4-2-0 and even 2-2-2 one or two driving axles designs. It was not until Martin Atock became Locomotive Superintendent in 1872 that further 0-6-0 locomotives were ordered with MGWR Class L four years later. [1] [2]

Grendons supplied two similar engines to the Dundalk and Enniskillen Railway at about the same time. [1]

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Martin Atock, also formerly known as Martin Attock, was an English railway engineer, who is best known as the Locomotive Superintendent of the Midland Great Western Railway (MGWR) from 1872 to 1900.

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<span class="mw-page-title-main">MGWR Class D</span> Class of Irish locomotives

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<span class="mw-page-title-main">Loughrea branch line</span>

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References

  1. 1 2 3 4 Shepherd, Ernie (1994). The Midland Great Western Railway of Ireland – An illustrated History. Midland Publishing Limited. pp. 83, 123, 131, 138. ISBN   1-85780-008-7.
  2. Shepherd, Ernie (1994). The Midland Great Western Railway of Ireland – An illustrated History. Midland Publishing Limited. pp. 86, 130. ISBN   1-85780-008-7.