NZR C class (1873)

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NZR C class (1873)
Silver Stream Railway - 2002-03-06.jpg
C class loco 132 on the Silver Stream Railway, 6 March 2002
Type and origin
Power typeSteam
Builder Dübs & Co. (6),
Neilson & Co. (10)
Serial numberDübs 800–804, 885,
Neilson 1764–1773
Build date1873–1875
Total produced16
Specifications
Configuration:
   Whyte Originally 0-4-0ST
Rebuilt 0-4-2ST
Gauge 3 ft 6 in (1,067 mm)
Driver dia.2 ft 6 in (0.762 m)
Wheelbase Coupled: 6 ft 0 in (1.83 m),
Total: 13 ft 0 in (3.96 m)
Length21 ft 2+34 in (6.47 m)
Adhesive weight 14.20 long tons (14.43 t; 15.90 short tons)
Loco weight15.7 long tons (16.0 t; 17.6 short tons)
Fuel type Coal
Fuel capacity0.45 long tons (0.46 t; 0.50 short tons)
Water cap.300 imperial gallons (1,400 l; 360 US gal)
Firebox:
  Firegrate area
7.3 sq ft (0.68 m2)
Boiler pressure120–140 lbf/in2 (0.83–0.97 MPa)
Heating surface392 sq ft (36.4 m2)
Cylinders Two, outside
Cylinder size 9.5 in × 18 in (241 mm × 457 mm)
Performance figures
Tractive effort 5,198 lbf (23.12 kN)
Career
Operators New Zealand Railways
LocaleAll of New Zealand
DispositionTwo preserved, remainder scrapped.

The NZR C class tank locomotives operated on New Zealand's national rail network during its infancy. They are sometimes referred to as the little C class or the original C class to distinguish them from the C class of 1930. [1]

Contents

Introduction

With the construction of a national network under Julius Vogel's "Great Public Works" scheme came the requirement of motive power. Train sizes at the time were small and the terrain was difficult, so the C class was ordered, ten from Neilson and Company and six from Dübs and Company. The initial duties were to aid in the construction of lines, where the wheel arrangement of 0-4-0 and the light-weight were a particular asset. [2]

Once main lines were open, the class was utilized to haul general freight and passenger trains, but it was quickly superseded by new locomotives that were larger and more powerful, with greater coal and water capacity. The class was found to be unstable at speeds higher than 15 mph (24 km/h), and by 1880 all had been converted to 0-4-2 wheel arrangement. [2]

Numbering

The class was numbered between C 1 and C 577. Numbering was often illogical, and locomotives changed numbers multiple times, partly because the railway network consisted of many isolated sections using different numbering schemes. As the class was used all around the country, from the Kumeu-Riverhead Section north of Auckland to the under-construction Seddonville Branch in Westland, they acquired a range of numbers. Sometimes a locomotive on one section would have the same number as a locomotive on another, or when a locomotive was transferred to a new section it received a new number in line with that section's numbering scheme. When standard nationwide numbering was introduced, numbers were modified again.

Withdrawal and preservation

By the start of the 20th century, some of the class, too small for the national network, had been sold to operators of private industrial lines. By the early 1920s, all had been sold, and many were used on industrial lines and bush tramways for many decades. Their small size was a considerable asset, and C 132 survived long enough to be saved for preservation. It operated on the Silver Stream Railway until December 2008 when it was taken out of service for a major overhaul. Another C was recovered in 1993, from where it had been dumped in the Buller Gorge, Westland and is with the Westport Railway Preservation Society, whose goal is to return it to operating condition.

See also

Related Research Articles

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<span class="mw-page-title-main">NZR A class (1873)</span>

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NZR W<sup>D</sup> class

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<span class="mw-page-title-main">NZR E class (1872)</span>

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<span class="mw-page-title-main">NZR B class (1899)</span>

The NZR B class of 1899 was a class of steam locomotives that operated on New Zealand's national rail network. An earlier B class of Double Fairlies had entered service in 1874, but as they had departed from the ownership of the New Zealand Railways (NZR) by the end of 1896, the B classification was free to be re-used. Despite early difficulties, they were amongst NZR's most influential designs.

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The BA class was a class of steam locomotive built by the New Zealand Railways Department (NZR) for use on New Zealand's national rail network. The first BA entered service in November 1911, with the last of the 11 class members introduced on 14 May 1913.

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<span class="mw-page-title-main">NZR R class</span>

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<span class="mw-page-title-main">New Zealand DE class locomotive</span>

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NZR K<sup>B</sup> class

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<span class="mw-page-title-main">NZR W class</span>

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<span class="mw-page-title-main">NZR ED class</span>

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<span class="mw-page-title-main">NZR L class</span>

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References

Citations

Bibliography

  • Barry, Colin; Brouwer, John; Dash, Colin; Dickenson, Peter; Shalders, Bruce (1988). Cavalcade 125. Ferrymead 125 Committee. Retrieved 22 March 2019.
  • Heath, Eric; Stott, Bob (1993). Classic Railcars, Electric and Diesel Locomotives Of New Zealand. Grantham House. ISBN   1869340418.
  • Palmer, A. N.; Stewart, W. W. (1965). Cavalcade of New Zealand Locomotives. Wellington: A H. & A W. Reed. ISBN   978-0-207-94500-7.