London Underground F Stock
|This article does not cite any references or sources. (January 2008)|
|Length per car||49 ft 2 in (14.99 m)|
|Width||9 ft 6 15⁄16 in (2,919 mm)|
|Height||12 ft 4 1⁄2 in (3,772 mm)|
|Weight||DM 39.64 long tons (40.28 t; 44.40 short tons)
DM 44.50 long tons (45.21 t; 49.84 short tons)
CT 24.84 long tons (25.24 t; 27.82 short tons)
T 24.50 long tons (24.89 t; 27.44 short tons)
T 34.50 long tons (35.05 t; 38.64 short tons)
|London Transport portal|
The F Stock was built in 1920 and 1921 for the Metropolitan District Railway (later the London Underground District line). 100 steel-bodied cars were built: 40 driving motors, 12 control trailers and 48 trailers. They had non-standard equipment that precluded multiple-unit operation with any other type of train and had significantly more powerful motors than earlier rolling stock, leading to some initial operating difficulties. As built, the stark interiors proved unpopular and were soon refurbished. The front ends of driving cabs had two distinctive oval windows separated by the centre door.
Between 1939 and 1940, the control trailers were all rebuilt into driving motor cars.
The cars were built with manually operated sliding doors but between 1939 and 1940 these were converted to air operation. In 1950 and 1951, the F Stock was transferred to the Metropolitan line where it operated services between Uxbridge and London, even working the occasional service to Amersham and Watford.
- London's Transport Museum Photographic Archive
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