North Eastern Railway (NER) No. 66 Aerolite is a preserved British steam locomotive. It was classified X1 by the LNER. It was capable of reaching 55 mph (89 km/h).[1]
| This article relies largely or entirely on a single source. (September 2020) |
Quick Facts Type and origin, Power type ...
NER 66 Aerolite |
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![](//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Aerolite_%285441423284%29.jpg/300px-Aerolite_%285441423284%29.jpg) |
Type and origin |
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Power type | Steam |
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Builder | Gateshead works |
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Build date | 1869 |
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Total produced | 1 |
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Rebuild date | 1892, 1902 |
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Specifications |
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Configuration:
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• Whyte | 2-2-2T, rebuilt as 4-2-2T, rebuilt again as 2-2-4T |
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Leading dia. | 3 ft 7 in (1.092 m) |
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Driver dia. | 5 ft 7+3⁄4 in (1.721 m) |
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Trailing dia. | 3 ft 1+1⁄4 in (0.946 m) |
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Wheelbase | 20 ft 7 in (6.27 m) |
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Length | 32 ft 8+1⁄2 in (9.970 m) |
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Axle load | 19.5 long tons (19.8 t; 21.8 short tons) |
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Loco weight | 2-2-2T: 37.0 long tons (37.6 t; 41.4 short tons) 4-2-2T: 38.15 long tons (38.76 t; 42.73 short tons) 2-2-4T: 44.10 long tons (44.81 t; 49.39 short tons) |
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Fuel capacity | 2.5 long tons (2.5 t; 2.8 short tons) |
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Water cap. | 1,620 imp gal (7,400 L; 1,950 US gal) |
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Firebox: | |
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• Grate area | 11 sq ft (1.0 m2) |
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Boiler | 3 ft 9+3⁄4 in (1.162 m) diameter |
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Boiler pressure | 175 psi (1.21 MPa) |
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Heating surface: | |
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• Firebox | 65 sq ft (6.0 m2) |
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• Tubes | 701 sq ft (65.1 m2) |
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• Total surface | 766 sq ft (71.2 m2) |
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Cylinders | 2 inside (1 HP 1 LP) |
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High-pressure cylinder | 13 in × 20 in (330 mm × 508 mm) |
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Low-pressure cylinder | 18.5 in × 20 in (470 mm × 510 mm) |
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Valve gear | Stephenson |
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Career |
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Operators | NER, LNER |
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Class | LNER: X1 |
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Numbers | 66 |
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Official name | Aerolite |
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Retired | 1933 |
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Disposition | Static display |
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