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GCR Class 8B LNER Class C4
Two LNER Class C4 (ex GCR Class 8B) on Retford shed in April 1947
Type and origin
Power type
Steam
Designer
John G. Robinson
Builder
Beyer, Peacock & Co. (7)
North British Locomotive Company (12)
Gorton Works (8)
Build date
1903-1906
Total produced
27
Specifications
Configuration:
• Whyte
4-4-2
• UIC
2′B1′ n2 (later 2′B1′ h2)
Gauge
4 ft 8+1⁄2 in (1,435 mm)
Leading dia.
3 ft 6 in (1.067 m)
Driver dia.
6 ft 9 in (2.057 m)
Trailing dia.
4 ft 3 in (1.295 m)
Wheelbase
51 ft 10 in (15.8 m)
• Engine
27 ft 9.5 in (8.471 m)
• Tender
13 ft (4.0 m)
Height
13 ft 5 in (4.09 m) (later 13 ft 0.5 in (3.98 m))
Axle load
18.5 long tons (18.8 t)
Loco weight
71.9 long tons (73.1 t)
Tender weight
48.3 long tons (49.1 t)
Total weight
120.2 long tons (122.1 t)
Fuel type
Coal
Fuel capacity
6 long tons 0 cwt (13,400 lb or 6.1 t)
Water cap.
4,000 imp gal (18,000 L; 4,800 US gal)
Firebox:
• Type
Belpaire
• Grate area
26.24 sq ft (2.44 m2)
Boiler:
• Model
5 ft 0 in (1.5 m)
• Type
LNER Diagram 15
• Tube plates
15 ft (4,600 mm)
Boiler pressure
180 psi (1.24 MPa)
Heating surface:
• Firebox
154 sq ft (14.3 m2)
• Tubes
885 sq ft (82.2 m2)
• Flues
464 sq ft (43.1 m2)
• Total surface
1,745 sq ft (162.1 m2)
Superheater:
• Heating area
242 sq ft (22.5 m2)
Cylinders
Two, outside
Cylinder size
19 in × 26 in (483 mm × 660 mm) (original engines) 20 in × 26 in (508 mm × 660 mm) (first rebuild) 21 in × 26 in (533 mm × 660 mm) (second rebuild)
The GCR Class 8B was a class of 27 two-cylinder steam locomotives of the 4-4-2 wheel arrangement built between 1903 and 1906 for the Great Central Railway. They were nicknamed "Jersey Lillies" after the famous music star Lillie Langtry.[1]
^"The Robinson C4 (GCR Class 8B) 4-4-2 Atlantics". LNER Encyclopedia. Retrieved 12 June 2019.
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