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・ NZR L class
・ NZR LA class
・ NZR M class
・ NZR N class
・ NZR NA class
・ NZR NC class
・ NZR O class
・ NZR OA class
・ NZR OB class
・ NZR OC class
・ NZR P class
・ NZR P class (1876)
・ NZR P class (1885)
・ NZR Q class (1878)
・ NZR Q class (1901)
NZR R class
・ NZR RM class
・ NZR RM class (88 seater)
・ NZR RM class (Clayton)
・ NZR RM class (Edison battery-electric)
・ NZR RM class (Leyland diesel)
・ NZR RM class (Leyland petrol)
・ NZR RM class (MacEwan-Pratt)
・ NZR RM class (Model T Ford)
・ NZR RM class (Sentinel-Cammell)
・ NZR RM class (Silver Fern)
・ NZR RM class (Standard)
・ NZR RM class (Thomas Transmission)
・ NZR RM class (Vulcan)
・ NZR RM class (Wairarapa)


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NZR R class : ウィキペディア英語版
NZR R class

The NZR R class was a class of early 0-6-4T single Fairlie steam locomotives operated by New Zealand's Railways Department (NZR) between 1879 and 1936.
==Introduction==
In the 1870s New Zealand's railway network was a small, fragmented system of light railway lines built in rough country where short, steep grades and tight curves were common. The Fairlie type of steam locomotive was well-suited to working in such conditions. In 1872, the first Fairlie locomotives arrived from England, the E class. Gradually the number of these double-ended engines (known as Double Fairlies) grew to 10, and came to include the B class of 1874. There was still a need for orthodox engines with Fairlie manoeuvrability. The Avonside Engine Company of Bristol, England solved the problem by providing both the R and S classes of Single Fairlie engines; 18 of the former in 1878-79 and 7 of the latter in 1880-81.〔T. A. McGavin, ''Steam Locomotives of New Zealand, Part One: 1863 to 1900'' (Wellington: New Zealand Railway and Locomotive Society, 1987), 34-5.〕 The R class locomotives were built at Avonside's Bristol factory and then shipped to New Zealand, with all entering service by early March 1880.〔New Zealand Railways Steam Locomotives, ("R Class 0-6-4T Register" ), accessed 9 December 2007.〕
The locomotives quickly earned a good reputation for speed and manoeuvrability. On a trial run, Charles Rous-Marten timed one as running from Upper Hutt to Wellington, a distance of 20 miles, in 32.5 minutes despite a number of short delays amounting to three minutes; one section of two miles was covered at a maximum speed of 53 miles per hour. They were allocated to depots across the country, and during their working life operated almost all types of services from premier passenger trains to shunting tasks. As built, they could carry 716 gallons of water, but to allow them to operate over extended distances, some were later fitted with 900 gallon side tanks. All were reboilered during their lives to raise the boiler pressure from 130 to 160 pounds per square inch.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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