| LNWR 17in Coal Engine |
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| Specifications |
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Configuration:
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| • Whyte | 0-6-0 |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) |
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| Driver dia. | 4 ft 3 in (1.295 m) |
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| Wheelbase | 15 ft 6 in (4.724 m) |
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| Loco weight | 32.00 long tons (32.5 t) |
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| Fuel type | Coal |
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| Water cap. | 1,800 imperial gallons (8,200 L; 2,200 US gal) |
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| Firebox: | |
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| • Grate area | 17.1 sq ft (1.59 m2) |
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| Boiler pressure | 140 psi (0.97 MPa) |
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| Heating surface: | |
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| • Tubes | 1,074.6 sq ft (99.83 m2) |
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| Cylinders | Two, inside |
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| Cylinder size | 17 in × 24 in (432 mm × 610 mm) |
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| Valve gear | Stephenson |
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| Valve type | Slide valves |
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The LNWR 17in Coal Engine was a class of 0-6-0 steam tender engines designed by Francis Webb for the London and North Western Railway. They were simple locomotives and in UK service they were very reliable. "17in" refers to their cylinder diameter in inches. They were called "Coal Engines" because they were used for hauling coal trains.
