- Source: LNWR 17in Coal Engine
The LNWR 17in Coal Engine was a class of 0-6-0 steam tender engines designed by Francis Webb for the London and North Western Railway. They were simple locomotives and in UK service they were very reliable. "17in" refers to their cylinder diameter in inches. They were called "Coal Engines" because they were used for hauling coal trains.
Design and construction
The 17in Coal was the first new design of engine to be built by Webb since he became Chief Engineer of the LNWR in September 1871. A policy of 'low costs' was in force at the LNWR, with running costs per engine mile reduced from 10+3⁄4d per engine mile in 1857 to 7+3⁄4d by 1871. The first 17in Coal was constructed in 1873, the first of almost five hundred built. Ernest L. Ahrons is quoted as regarding the type as "probably the simplest and cheapest locomotives ever made in this country", and O. S. Nock described them as "splendid".
Many aspects of the 17in Coal's design reflected John Ramsbottom's final design: the 0-6-0 Special Tank, including the identical wheel diameter and cylinder dimensions, but the new engines had a larger, improved boiler. In February 1878, one engine of this design was built from scratch in 25+1⁄2 hours.
Operation
During the First World War the Railway Operating Division of the Royal Engineers took many Coal Engines for use overseas, including many to the British Expeditionary Force in France and 42 to the Palestine Military Railway. Those in Palestine were reported to have performed badly and Palestine Railways sold them all for scrap by 1922. This may have been due partly to the poor quality of water used in Palestine.
227 Coal Engines passed into LMS stock after the 1923 grouping. 35 survived until the nationalisation of Britain's Railways in 1948 and entered British Railways stock. BR numbers were 58321-58361 (with gaps).
Rebuilds
Between 1905 and 1907, 45 Coal Engines were rebuilt as tank locomotives with a single square saddle tank perched on the boiler and a small coal bunker behind the cab.
References
Bibliography
Kata Kunci Pencarian:
- LNWR 17in Coal Engine
- LNWR Webb Coal Tank
- Francis Webb (engineer)
- Drag freight
- List of LMS locomotives as of 31 December 1947
- Wigan Springs Branch TMD
- Locomotives of the London and North Western Railway
- Palestine Railways H class
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