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The SECR F1 class was a class of 4-4-0 steam locomotives of the South Eastern and Chatham Railway. The class was rebuilt from older Stirling F class locomotives by Harry Wainwright between 1903 and 1919.[1]

SECR F1 class
Type and origin Power type Steam Designer Harry Wainwright Builder Ashford Works Rebuild date 1903–1919 Number rebuilt 76
Specifications Configuration: ​  • Whyte 4-4-0  • UIC 2′B Gauge 4 ft 8+1⁄2 in (1,435 mm) Driver dia. 7 ft 0 in (2.134 m) Loco weight 45.1 long tons (45.8 t) Fuel type Coal Boiler pressure 170 psi (1.17 MPa) Cylinders Two, inside Cylinder size 18 in × 26 in (457 mm × 660 mm) Valve gear Stephenson
Performance figures Tractive effort 14,491 lbf (64.5 kN)
Career Operators South Eastern and Chatham Railway → Southern Railway → Southern Region of British Railways Class SECR/SR: F1 Number in class 1 January 1923: 75 Nicknames Jumbo Withdrawn 1920–1949 Disposition All scrapped

Numbering

Seventy-six locomotives were rebuilt and 75 survived into Southern Railway (SR) ownership on 1 January 1923 with random numbers between 2 and 250. Nine locomotives survived into British Railways (BR) ownership in 1948.[2] Numbers of these nine were:

SECR no.	SR no.	BR no.
2	1002	31002
28	1028	31028
31	1031	31031
42	1042	31042
78	1078	31078
105	1105	31105
151	1151	31151
215	1215	31215
231	1231	31231

Accidents and incidents

• In August 1926, a F1 class locomotive overran buffers at London Bridge and crashed into a brewery.[3]
• On 19 August 1928 A148 was deliberately crashed into a lorry at Lasham, between Basingstoke and Alton, for the film 'the Wrecker'. The remains were cut up on site.[4]

References

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