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The Lancashire and Yorkshire Railway (L&YR) Class 8 was a four-cylinder 4-6-0 express passenger locomotive designed by George Hughes introduced in 1908. Design and construction [ edit ]
Twenty of the class, built in 1903, were fitted with Henry Hoy's cylindrical firebox with a corrugated steel inner furnace, inspired by contemporary textile mill boiler practice in the area. The inner furnace was designed to be stiff enough, owing to the corrugations, to avoid the need for stays .
An initial drawing of July 1828 showed a horizontal boiler, but by the time it was ordered in December, a drawing shows it with the twin boilers. The wheels were 3 feet diameter and the cylinders of 7×20 inches, smaller than those of Twin Sisters , but the layout was otherwise similar with six wheels and inclined cylinders.
In the flued boiler, any sediment fell past the furnace flue and settled out at the bottom of the boiler shell, where it had less effect. [5] In model engineering, the Cornish boiler, particularly when fitted with Galloway tubes (see Lancashire Boiler, below), is an excellent choice for gas-fired boilers and model steam boats. It is simple to ...
When the Aspinall engine appeared in 1899 it leveraged the capability of the 4-4-2 to hold a larger boiler. [5] The length of the boiler increasing from 10 feet 7 + 3 ⁄ 4 inches (3.245 m) in his previous 4-4-0 design while the heating area increased from 1,108 square feet (102.9 m 2 ) to 1,877 square feet (174.4 m 2 ).
Steam for the pumping engines and auxiliary engines is raised in five Lancashire boilers, with the first set of boilers being made by Robert Stephenson and co. In normal operation only two out of the five boilers would be in steam with one on hot reserve and the other two having maintenance work. The boilers were on an 8 weekly rotation.
The Lancashire and Yorkshire Railway Class 28 was a class of 0-6-0 steam locomotive, designed by George Hughes for the Lancashire and Yorkshire Railway (L&YR). It was a rebuild of Aspinall 's Class 27 , with the addition of a Belpaire firebox and the extension of the footplate and front sandboxes.