Английская Википедия:GWR 633 Class

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Шаблон:Use dmy dates Шаблон:Use British English Шаблон:Infobox Locomotive The GWR 633 Class were Шаблон:Whytes designed by George Armstrong and built at the Wolverhampton railway works of the Great Western Railway between November 1871 and April 1872. These were always Southern Division locomotives, but over the years some were fitted to work the Metropolitan lines and played a large role in the transportation of goods from Acton to Smithfield.Шаблон:Cn Unusually, they had side (not saddle) tanks, and inside frames, with wheels of Шаблон:Convert in diameter and a wheelbase of Шаблон:Convert. Their weight was Шаблон:Convert. There were twelve locomotives, numbered 633–644.[1]Шаблон:Sfnb

Modifications

Nos. 643 and 644 were fitted with condensing apparatus when built, for working on the Metropolitan Railway's Widened Lines and this was added to some others in the 1890s. These were the first six-coupled engines to be accepted for the widened lines.Шаблон:Cn From 1887 they were reboilered with Dean pattern boilers, and the wheels were enlarged by Шаблон:Convert by means of thicker tyres. The class was reboilered again with Belpaire fireboxes (but not pannier tanks) between 1916 and 1925. 633, 634, and all the others fitted with condensers were sent to the London Division and were cabless to work through then metropolitan tunnels. The ones not fitted with condensers were fitted with a cab and allocated to South Wales.Шаблон:Cn

Service

They were intended for the Southern Division of the GWR. The condenser-fitted engines worked in the London area, others at Neath in South Wales. Withdrawal took place from 1928 to 1934.Шаблон:Sfn

References

Шаблон:Reflist

Sources

Шаблон:GWR Locomotives

  1. Smith, Martin, Steam on the Underground, Ian Allan Publishing 1994, p.22, Шаблон:ISBN