| LMS Fowler 3P 2-6-2T |
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 40022 near Radlett on the St Pancras - Leicester line |
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| Specifications |
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Configuration:
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| • Whyte | 2-6-2T |
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| • UIC | 1′C1′ h2t |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
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| Leading dia. | 3 ft 3+1⁄2 in (1.003 m) |
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| Driver dia. | 5 ft 3 in (1.600 m) |
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| Trailing dia. | 3 ft 3+1⁄2 in (1.003 m) |
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| Wheelbase | 33 ft 3 in (10.13 m) |
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| Length | 41 ft 11+3⁄4 in (12.795 m) |
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| Loco weight | 70.5 long tons (71.6 t; 79.0 short tons)
71.8 long tons (73.0 t; 80.4 short tons) with condensing apparatus |
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| Fuel type | Coal |
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| Fuel capacity | 3 long tons (3.0 t; 3.4 short tons) |
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| Water cap. | 1,500 imp gal (6,800 L; 1,800 US gal) |
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| Firebox: | |
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| • Grate area | 17.5 sq ft (1.63 m2) |
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| Boiler | LMS type G6S |
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| Boiler pressure | 200 lbf/in2 (1.4 MPa) |
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| Heating surface: | |
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| • Firebox | 104 sq ft (9.7 m2) |
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| • Tubes | 691 sq ft (64.2 m2) |
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Superheater:
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| • Heating area | 173 sq ft (16.1 m2) or 186 sq ft (17.3 m2) |
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| Cylinders | Two, outside |
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| Cylinder size | 17+1⁄2 in × 26 in (444 mm × 660 mm) |
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| Career |
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| Operators | |
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| Power class | |
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| Numbers | - LMS 15500–15569
- → LMS 1–70 (1934)
- → BR 40001–40070
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| Withdrawn | 1959–1962 |
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| Disposition | All scrapped |
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The London, Midland and Scottish Railway (LMS) Fowler 2-6-2T was a class of steam locomotive. The LMS classified them 3P, BR 3MT. All were built at Derby Works between 1930 and 1932. William Stanier used them to form the basis for the LMS Stanier 2-6-2T, which was essentially a taper boilered version.
