Draft:LNER 4-8-2 "Mountain" locomotives

Specifications
Specifications
Configuration:;
• Whyte	4-8-2
• UIC	2′D1 h3
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	6 ft 8 in (2.032 m)
Trailing dia.	3 ft 8 in (1.118 m)
Fuel type	Coal
Firebox:
• Grate area	50 sq ft (4.6 m2)
Boiler:;
• Diameter	6 ft 5 in (1.96 m)
Boiler pressure	180 psi (1.24 MPa)
Heating surface:
• Firebox	215 sq ft (20.0 m2)
• Tubes	1,880 sq ft (175 m2)
• Flues	835 sq ft (77.6 m2)
Cylinders	Three
Cylinder size	20 in × 26 in (508 mm × 660 mm)
Valve gear	Outside: Walschaerts; Inside: Gresley conjugated
Valve type	Piston valves

Type and origin
Type and origin
Power type	Steam
Designer	Nigel Gresley
Builder	Doncaster Works
Build date	Never built
Total produced	0

LNER 4-8-2 "Mountain" Type Locomotives
LNER 4-8-2 "Mountain" Type Locomotives
Power type
Type and origin
Power type	Steam
Designer	Nigel Gresley
Builder	Doncaster Works
Build date	Never built
Total produced	0
Configuration:;
Specifications
Configuration:;
• Whyte	4-8-2
• UIC	2′D1 h3
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	6 ft 8 in (2.032 m)
Trailing dia.	3 ft 8 in (1.118 m)
Fuel type	Coal
Firebox:
• Grate area	50 sq ft (4.6 m2)
Boiler:;
• Diameter	6 ft 5 in (1.96 m)
Boiler pressure	180 psi (1.24 MPa)
Heating surface:
• Firebox	215 sq ft (20.0 m2)
• Tubes	1,880 sq ft (175 m2)
• Flues	835 sq ft (77.6 m2)
Cylinders	Three
Cylinder size	20 in × 26 in (508 mm × 660 mm)
Valve gear	Outside: Walschaerts; Inside: Gresley conjugated
Valve type	Piston valves
Operators
Career
Operators	London and North Eastern Railway
Disposition	Never built

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Last edited by Citation bot (talk | contribs) 10 days ago. (Update)

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The LNER 4-8-2 "Mountain" Type Locomotives were a series of proposed 4-8-2 "Mountain" type steam locomotives that was designed by Sir Nigel Gresley.^[1]

History[edit]

In February 1946, Sir Nigel Gresley had drew up two drawings of a 4-8-2 "Mountain" type steam locomotive for the London and North Eastern Railway (LNER).^[1]

References[edit]

^ ^a ^b Hillier-Graves (2023), p. 182

Sources[edit]

Hillier-Graves, Tim (2023). Gresley's Master Engineer, Bert Spencer - A Career in Railway Engineering and Design. Pen and Sword. ISBN 9781399045117.

[:0-1] Hillier-Graves (2023), p. 182

[1]