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The London and North Western Railway (LNWR) Class C1 was a class of 0-8-0 steam locomotives. 34 were rebuilt by Charles Bowen Cooke from Class A 3-cylinder compounds between 1909 and 1912.

LNWR Class C1
No. 2550 in photographic grey livery
Type and origin Power type Steam Designer Charles Bowen Cooke Rebuilder Crewe Works Rebuild date 1909–12 Number rebuilt 34 from Class A
Specifications Configuration: ​  • Whyte 0-8-0 Gauge 4 ft 8+1⁄2 in (1,435 mm) Driver dia. 4 ft 5.5 in (1.359 m) Fuel type Coal Boiler pressure 175 psi (1.21 MPa) Heating surface 1,489 sq ft (138.3 m2) Cylinders 2 inside Cylinder size 18+1⁄2 in × 24 in (470 mm × 610 mm)
Career Operators London and North Western Railway, London, Midland and Scottish Railway Class C1 Power class LMS: 4F to 1928, then 3F Number in class 34 Withdrawn 1927–33 Disposition All scrapped

History

Rebuilds of the troublesome Webb Class A compounds to Class D simple expansion engines used larger (5'2" diameter) boilers, with the result that there were many spare smaller (4'3" diameter) boilers available. As a result, rebuilds of the Class As from 1906 retained their smaller boilers. As a consequence, the cylinders had to be reduced to 18.5" diameter, compared with 19.5" with the Class C, and this took them into a new class (or subclass) - C1.[1]

Numbering

When rebuilt from Class A, all the C1s retained their existing LNWR numbers, which were in the 18xx or 25xx series. All passed into LMS ownership on the grouping of 1923. The LMS assigned them the numbers 8968-9001, sequentially in order of rebuild date, though not all were applied before withdrawal.

LNWR no.	Rebuilt from A	LMS no.	Withdrawn	Notes
2531	1909	8978	1932	[2]
2533	1910	8979	1929	[2]
2534	1912	(9000)	1927	[2]
2535	1910	8986	1930	[2]
2542	1910	8990	1930	[3]
2543	1910	8981	1930	[3]
2545	1910	8980	1930	[3]
2546	1909	8969	1932	[3]
2550	1909	8976	1932	[3]
2554	1911	8997	1930	[3]
2555	1911	8998	1932	[3]
1801	1909	8977	1930	[3]
1806	1910	(8984)	1928	[3]
1809	1909	(8971)	1927	[3]
1811	1911	8991	1932	[3]
1817	1912	8999	1930	[3]
1826	1911	8995	1930	[4]
1829	1910	8988	1930	[4]
1835	1912	9001	1928	[4]
1840	1909	8975	1930	[4]
1841	1910	8983	1930	[4]
1844	1910	8985	1930	[5]
1847	1910	8982	1930	[5]
1849	1910	(8987)	1928	[5]
1850	1909	(8970)	1927	[5]
1851	1911	8992	1932	[5]
1852	1911	8993	1932	[5]
1858	1911	(8996)	1927	[5]
1859	1911	8994	1930	[5]
1861	1909	8972	1930	[5]
1862	1909	(8968)	1927	[5]
1867	1909	8973	1933	[5]
1869	1910	8989	1928	[5]
1875	1909	8974	1930	[6]

LMS numbers in parentheses were not carried prior to withdrawal.

Withdrawal

Withdrawal occurred between 1927 and 1932. None was preserved.

References

• Baxter, Bertram (1979). Baxter, David (ed.). British Locomotive Catalogue 1825-1923, volume 2B: London and North Western Railway and its constituent companies. Ashbourne: Moorland Publishing. ISBN 0-903485-84-2.

Further reading

• Essery, Bob; Jenkinson, David. An Illustrated Review of LMS Locomotives Vol. 2 Absorbed Pre-Group Classes Western and Central Divisions.
• Talbot, Edward. The London & North Western Railway Eight-Coupled Goods Engines.
• Yeadon, Willie. Yeadon's Compendium of LNWR Locomotives Vol 2 Goods Tender Engines.

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