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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 ]
Pages in category "Lancashire boilers" The following 3 pages are in this category, out of 3 total. This list may not reflect recent changes. ...
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 ).
The Lancashire boiler is similar to the Cornish, but has two large flues containing the fires. It was the invention of William Fairbairn in 1844, from a theoretical consideration of the thermodynamics of more efficient boilers that led him to increase the furnace grate area relative to the volume of water.
Their boilers were similar to those of the 1008 Class 2-4-2T introduced in early 1889, but with slightly shorter barrels (10 ft 4 + 3 ⁄ 4 in (3.169 m) long as opposed to 10 ft 7 + 3 ⁄ 8 in (3.235 m) for the 2-4-2T), and they operated at the same pressure: 160 lbf/in 2 (1,100 kPa), except for twenty built in 1901 (Lot 42), which worked at ...
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.
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 .
The final twenty examples of the 2-4-2T tanks built between 1911 and 1914 added superheating, long smokeboxes on Belpaire boilers, larger big-end bearings and an increased cylinder bore of 20 + 1 ⁄ 2 in (520 mm) to the modifications that had accrued since 1899. The resulting superheated locomotives had an increased tractive effort of 24,585 ...