L&YR Class 8
Lancashire & Yorkshire Railway Class 8 (first batch) | |||||||||||||||||||||||||||||||||||||
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Lancashire & Yorkshire Railway Class 8 (second batch) | |||||||||||||||||||||||||||||
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The Lancashire and Yorkshire Railway class 8 was a four-cylinder 4-6-0 express passenger locomotive designed by George Hughes in 1908. These original locomotives were described as "poor performers" . They suffered coal consumption as high as 100 pounds per mile plus mechanical problems causing very poor reliability. Around the time of their construction, they were nicknamed "Dreadnoughts" on account of their large size, after the then-new Royal Navy battleship HMS Dreadnought.
Rebuilding
As designed, they were fitted with a saturated boiler, slides valves and Joy valve gear. In 1919–20, fifteen were rebuilt with superheaters, piston valves, Walschaerts valve gear and slightly larger cylinders. The nominal tractive effort of the rebuilds was 28,879 lbf (128.46 kN) which made these engines for a time the most powerful in Great Britain until 1922 when the Gresley pacifics appeared. The rebuilt locomotives were reported to be "a good workmanlike engine"[1] and "an engine thoroughly master of its work",[2] although still with a coal consumption on the heavy side.
New locomotives
Fourteen more of these Walschaerts valve gear locomotives were built before grouping, and a further 41 after the creation of the London, Midland and Scottish Railway. The last 20 of these were originally part of the 30-locomotive order for the related L&YR Hughes 4-6-4T.
Lot No. | Qty | Manufacturer | Serial Nos. | Year | L&Y Nos. | LMS Nos. | Notes |
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60 | 20 | Horwich Works | 1009–1028 | 1908 | 1506–1525 | 10400–10404 | LMS numbers not applied |
79 | 15 | Horwich Works | — | 1920–21 | 1522/14/23/10/11 1506/21/16/25/09 1520/17/24/19/18 | 10405–10419 | rebuilds of Lot 60 |
80 | 10 | Horwich Works | 1319–1328 | 1921–22 | 1649–1658 | 10420–10429 | |
81 | 25 | Horwich Works | 1329–1353 | 1922–23 | 1659–1678 (1679–1683) | 10430–10454 | |
83 | 20 | Horwich Works | 1364–1383 | 1924–25 | (1694–1713) | 10455–10474 | |
Compound conversion
No 10456 was converted to a 4-cylinder compound in July 1926; it was fitted with 16-inch (406 mm) high pressure and 22-inch (559 mm) low pressure cylinders.[4]
Withdrawal
The relatively early withdrawal of most units must be considered in the context that the LMS inherited 393 different locomotive classes at Grouping, and LMS chairman Sir Josiah Stamp thought it desirable to reduce this to just 10 classes.[5]
Year | Quantity in service at start of year | Quantity withdrawn | Locomotive numbers | Notes |
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1925 | 75 | 3 | 1507, 1513, 1515 | |
1926 | 72 | 3 | 1508, 1512, 10417 | |
1933 | 69 | 1 | 10414 | |
1934 | 68 | 13 | 10405/10/13/19/21/24/26/27/31/34/41/47/53 | |
1935 | 55 | 17 | 10407/08/11/28/30/33/39/40/58/61–63/66/69/70/72/74 | |
1936 | 38 | 20 | 10409/15/16/18/25/35/36/38/43/45/49–52/54/56/57/59/68/71 | |
1937 | 18 | 7 | 10406/20/22/44/65/67/73 | |
1939 | 11 | 1 | 10464 | |
1946 | 10 | 2 | 10437, 10446 | |
1947 | 8 | 1 | 10460 | |
1948 | 7 | 1 | 10423 | |
1949 | 6 | 4 | 10412, 10429, 10432, 10448 | |
1950 | 2 | 1 | 10442 | |
1951 | 1 | 1 | 50455 | Only locomotive to have BR number applied |
Notes
- ↑ Nock 1969, p. 149.
- ↑ Mason 1975, p. 80.
- 1 2 Baxter 1982, pp. 82–84.
- ↑ Baxter 1982, p. 93.
- ↑ Hunt et al. 2006, p. 80.
References
- Baxter, Bertram (1982). Baxter, David, ed. British Locomotive Catalogue 1825–1923, Volume 3B: Lancashire and Yorkshire Railway and its constituent companies. Ashbourne, Derbyshire: Moorland Publishing Company. ISBN 0-903485-85-0.
- Casserley, H. C. & Johnston, Stuart W. (1974) [1966]. Locomotives at the Grouping 3: London, Midland and Scottish Railway. Shepperton, Surrey: Ian Allan. ISBN 0-7110-0554-0.
- Hunt, David; Jennison, John; James, Fred; Essery, Bob (2006). LMS Locomotive Profiles, no. 7 - The Mixed Traffic Class 5s, Caprotti valve gear engines and class summary. Didcot, Oxon: Wild Swan. ISBN 1-905184-21-2.
- Mason, Eric (1975) [1954]. The Lancashire and Yorkshire Railway in the Twentieth Century. Shepperton, Surrey: Ian Allan. ISBN 0-7110-0656-3.
- Nock, O.S. (1969). The Lancashire and Yorkshire Railway - a Concise History. Shepperton, Surrey: Ian Allan. ISBN 0-7110-0130-8.
- Rowledge, J.W.P. (1975). Engines of the LMS built 1923–51. Oxford: Oxford Publishing Company. ISBN 0-902888-59-5.