Английская Википедия:D&KR Princess Class

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Шаблон:Short description Шаблон:Use dmy dates Шаблон:Use Hiberno-English Шаблон:Infobox locomotive Princess was the class lead for a set of five locomotives built by the Dublin and Kingstown Railway (D&KR) in their own Grand Canal Street works from 1841. Princess was both the first locomotive built in Ireland and the first locomotive to be completed by a railway company in the British Isles in their own workshops.Шаблон:Sfnp

History

By the 1840s, some of the D&KRs original nine locomotives were becoming life expired, difficult to maintain with Star unusable and those from Sharp's unable to be converted to tank locomotives. In common with other railways such as the Liverpool and Manchester Railway (L&MR) it was found the cost of buying locomotives from independent manufacturers had become extremely expensive and enough expertise had been gathered in the company's own workshops to construct locomotives themselves.Шаблон:SfnpШаблон:Sfnp

In August 1840, locomotive superintendent Richard Pim was authorised to construct a locomotive using parts from the scrapped Star locomotive. The design was heavily based on those previously supplied by George Forrester and Company but using trailing axle Шаблон:Whyte configuration. Princess completed and tested on 3 April 1841. In the event few parts from Star were used, but the cost of £1,050 14s 5d. compared well with the £1,000 cost of the previous locomotive from Forresters.Шаблон:Sfnp

The second of the class, Bellisle, did use parts of Star,Шаблон:Sfnp entered service in August 1841, with a build cost of £749 1s 0d including £378 10s 8d labour.Шаблон:Sfnp Three sister engines were then built in parallel,Шаблон:Sfnp emerging from between November 1842 and July 1844 as Shamrock, Erin and Albert, the average cost of £853 being markedly less than the estimated £1400 from an external supplier.Шаблон:Sfnp

The design was eventually found to be under powered for the D&KR's increasing needs and the 1845 Burgoyne engines were a more powerful evolvement of the design.Шаблон:Sfnp

Dalkey Atmospheric Railway

When the Dalkey Atmospheric Railway, also operated by the D&KR, had a long breakdown in 1848 and Princess was modified to operate the section with a reduced chimney and temporary canopy to protect the engine crew from the very low loading gauge. Princess proved capable of operating with four carriages on the heavily graded section for a couple of months.Шаблон:Sfnp

Fleet

Name Introduced Rebuilt 5' 3" Withdrawn Notes
Princess 1841 1856 1884 Named in honour of Victoria the Princess Royal, first locomotive built in Ireland, first in world built in railway company workshop, Modified in 1848 with cab cover and reduced chimney to work over Dalkey Atmospheric Railway section.
Belleisle 1841 1856 1864–1872
Shamrock 1842 1856 1864–1872
Erin 1843 1856 1864–1872
Albert 1844 1856 1874 Named in honour of Albert, Prince Consort
Comet 1851 1856 1864–1872 Heavy rebuild from Forrester Comet of 1835

Notes

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References

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Шаблон:Ireland Steam Locomotives