GNRI Class VS

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Great Northern Railway (Ireland) class VS
The tables are turned on 207.jpg
No. 207 Boyne in Laois, Ireland
Type and origin
Power typeSteam
DesignerMcintosh
Builder Beyer Peacock
Serial number6961–6965
Build date1948
Total produced5
Specifications
Configuration:
   Whyte 4-4-0
   UIC 2′B h3
Gauge 5 ft 3 in (1,600 mm)
Driver dia.6 ft 7 in (2.007 m) [1]
Adhesive weight 41 t
Loco weight67 t
Boiler pressure220  psi (1.52  MPa) [1]
Cylinders 3
Cylinder size 15+14 in × 26 in (387 mm × 660 mm) [1]
Valve gear Walschaert
Performance figures
Tractive effort 21,469 lbf (95.5 kN)
Career
Operators
Class VS
Numbers206-210
Retired1965
DispositionScrapped

The Great Northern Railway (Ireland) (GNRI) VS class steam locomotives were 4-4-0 three-cylinder simple expansion steam locomotives built in 1948 by Beyer, Peacock and Company. [2] They were procured in order to operate the Enterprise train service between Dublin and Belfast and were the last series of steam engines ordered by the company. [3]

Contents

Design

The locomotives of class VS, designed by Mcintosh, were very similar to the compound locomotives of GNRI Class V, built in 1932 by Beyer, Peacock and Company. Unlike the latter, however, they had only simple expansion steam engines with Walschaerts valve gear. [4] Their wheel arrangement was due to the restricted space in the Dundalk workshops. Class VS used the same Belpaire boilers as class V with an evaporation surface of 1,235 square feet (114.7 m2) and a superheating surface of 295 square feet (27.4 m2), [1] and other parts were also interchangeable. [3] The locomotives were equipped with smoke deflectors, rocking grates, hopper ashpans, and self-cleaning fireboxes with a grate area of 25 square feet (2.3 m2), [1] and were fitted with 4,000 imperial gallons (18 m3) Stanier type tenders. [4]

Roster

Five locomotives of this type were built. Their works numbers were 6961 to 6965, [4] their running numbers were 206 to 210. [3] They were named after the rivers Liffey, Boyne, Lagan, Foyle, and Erne. [2]

The VS class shared working the heaviest and fastest expresses on the Dublin to Belfast main line with Class V compounds; and were noted for use on the non-stop Enterprise express services. [2]

In 1958 with the split up of the cross border GNRI Nos. 206, 207, and 209 went to CIÉ whilst acquiring a suffix of N. At the same time Nos. 208 and 210 became 58 and 59 under the Ulster Transport Authority (UTA). CIÉ sold No. 207N to the UTA in 1963 and utilised on both main line and suburban services from Belfast. [2]

All were taken out of service by 1965, [5] none surviving into preservation. [2]

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<span class="mw-page-title-main">GNRI Class V</span>

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<span class="mw-page-title-main">Beyer, Peacock and Company</span> Railway locomotive manufacturer

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<span class="mw-page-title-main">Great Northern Railway (Ireland)</span> Defunct railway company

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<span class="mw-page-title-main">Railway Preservation Society of Ireland</span> Heritage rail society in Ireland

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<span class="mw-page-title-main">GNRI AEC Class</span>

The Great Northern Railway of Ireland (GNRI) AEC Class were Associated Equipment Company (AEC)–engined diesel multiple units that operated InterCity and suburban services on the GNRI and later Ulster Transport Authority (UTA) systems between 1950 and 1975. They were finally withdrawn in 1972. They were the inspiration for the CIÉ 2600 Class.

<span class="mw-page-title-main">NCC Class U2</span>

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<span class="mw-page-title-main">SLNCR Lough class</span>

The SLNCR Lough Class was a class of 0-6-4T steam tank locomotives of the Sligo, Leitrim and Northern Counties Railway (SLNCR).

<span class="mw-page-title-main">GNRI Class Q</span> Great Northern Railway of Ireland 4-4-0 passenger steam locomotive class introduced 1899

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<span class="mw-page-title-main">DSER 15 and 16</span> Class of two Irish 2-6-0 locomotives

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<span class="mw-page-title-main">GS&WR Class 101</span> Irish steam locomotive

The GS&WR Class 101, classified as Class 101 or Class J15 by the Great Southern Railways, was a class of 0-6-0 steam locomotives designed for working goods traffic although they did, and were quite capable of, working branch and secondary passenger trains.

<span class="mw-page-title-main">Dublin and Drogheda Railway</span>

Dublin and Drogheda Railway (D&D) was a railway company in Ireland which publicly opened its 31¾ mile main line between Dublin and Drogheda in May 1844. It was the third railway company in Ireland to operate passenger trains and the first to use the Irish standard 5 ft 3 in gauge. It later opened branches to Howth and Oldcastle. The opening of the Dublin and Belfast Junction Railway (D&BJct) between the D&D at Drogheda and the Ulster Railway (UR) at Portadown in 1852 saw an almost continuous main line connection between Dublin and Belfast, which was resolved by the official opening of the Boyne Viaduct in April 1855. Amalgamations between these and other companies in 1875 and 1876 saw the creation of the Great Northern Railway of Ireland GNR(I).

<span class="mw-page-title-main">GNRI Class S</span>

The Great Northern Railway (Ireland) class S was a class of five 4-4-0 steam locomotive that the Great Northern Railway introduced in 1913 to haul Belfast – Dublin express passenger trains. They were followed two years later by the three similar class S2 locomotives.

<span class="mw-page-title-main">GNRI Class SG</span>

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<span class="mw-page-title-main">GNRI Class U</span>

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<span class="mw-page-title-main">GNRI BUT Class</span>

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<span class="mw-page-title-main">DSER 20</span> Irish class of locomotive

The DSER 20 class was a class of three 4-4-2T locomotives operated by the Dublin and South Eastern Railway and later the Great Southern Railways and CIÉ.

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References

  1. 1 2 3 4 5 J.D.H. Smith. "Great Northern Railway Company (Ireland) steam locomotives" . Retrieved 23 January 2018.
  2. 1 2 3 4 5 Boocock, Colin (1 October 2009). Locomotive Compendium Ireland (1st ed.). Hersham: Ian Allan. p. 71. ISBN   9780711033603. OCLC   423592044.
  3. 1 2 3 "Irish Railways: 1946 - 1996. Great Northern Railway (Ireland)". Irish Railway Record Society. 2001.
  4. 1 2 3 "Great Northern Railway (Ireland)". Steamindex. 11 January 2015.
  5. "Great Northern 4-4-0 Locomotives in Ireland". Locobase. Retrieved 23 January 2018.