The LNER Class Y1 was a class of 0-4-0 geared steam locomotives built by Sentinel Waggon Works for the London and North Eastern Railway and introduced in 1925. They passed into British Railways ownership in 1948 and were numbered 68130-68153 [1] but 68134 was withdrawn almost immediately and may not have carried its BR number.
Quick Facts Type and origin, Power type ...
LNER Class Y1 |
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Specifications |
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Configuration:
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• Whyte | 0-4-0 geared tank |
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Gauge | 4 ft 8+1⁄2 in (1,435 mm) |
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Driver dia. | 2 ft 6 in (0.76 m) |
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Wheelbase | 7 ft 0 in (2.13 m) |
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Loco weight | Y1/1, 20.35 long tons (20.68 t) Y1/2, 19.8 long tons (20.1 t) Y1/3, 14 long tons (14 t) Y1/4, 19.35 long tons (19.66 t) |
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Fuel type | coal |
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Fuel capacity | 0.6–0.8 long tons (0.61–0.81 t) |
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Water cap. | 300 imp gal (1,400 L; 360 US gal) |
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Firebox: | |
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• Grate area | 3.97 sq ft (0.369 m2) (all but Y1/2) 5.1 sq ft (0.47 m2) (Y1/2) |
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Boiler | 2 ft 8+1⁄2 in (0.826 m) (all but Y1/2) 3 ft 1 in (0.94 m) (Y1/2) |
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Boiler pressure | 275 psi (1.90 MPa) water tube boiler |
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Heating surface: | |
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• Firebox | 26.7 sq ft (2.48 m2) (all but Y1/2) 35 sq ft (3.3 m2) (Y1/2) |
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• Tubes | 27.73 sq ft (2.576 m2) (all but Y1/2) 36.5 sq ft (3.39 m2) (Y1/2) |
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• Total surface | 64.15 sq ft (5.960 m2) (all but Y1/2) |
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Superheater:
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• Heating area | 9.72 sq ft (0.903 m2) (all but Y1/2) |
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Cylinders | two |
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Cylinder size | 6+3⁄4 in × 9 in (170 mm × 230 mm) |
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Performance figures |
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Tractive effort | 68130-68142 and 68152-68153: 7,260 lbf (32,300 N) 68143-68151: 8,870 lbf (39,500 N) |
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