LMS Stanier Mogul

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LMS Stanier Mogul
300px
Preserved 42968 at Highley, Severn Valley Railway
Type and origin
Power type Steam
Designer William Stanier
Builder LMS Crewe Works
Build date 1933–1934
Total produced 40
Specifications
Configuration 2-6-0
UIC class 1′C h2
Gauge 4 ft 8 12 in (1,435 mm) standard gauge
Leading dia Lua error in Module:Convert at line 452: attempt to index field 'titles' (a nil value).
Driver diameter 5 ft 6 in (1.676 m)
Length Lua error in Module:Convert at line 452: attempt to index field 'titles' (a nil value).
Loco weight 69.10 long tons (70.21 t; 77.39 short tons)
Tender weight 42.20 long tons (42.88 t; 47.26 short tons)
Fuel type Coal
Fuel capacity 5 long tons (5.1 t; 5.6 short tons)
Water cap 3,500 imp gal (16,000 L; 4,200 US gal)
Boiler LMS type 3D
Boiler pressure 225 lbf/in2 (1.55 MPa)
Firegrate area Lua error in Module:Convert at line 452: attempt to index field 'titles' (a nil value).
Heating surface:
 • Tubes and flues
1,256 or 1,479 sq ft (116.7 or 137.4 m2)
 • Firebox 155 sq ft (14.4 m2)
Superheater:
 • Heating area
185 to 244 sq ft (17.2 to 22.7 m2)
Cylinders Two, outside
Cylinder size 18 in × 28 in (457 mm × 711 mm)
Valve gear Walschaerts
Valve type Piston valves
Performance figures
Tractive effort 26,290 lbf (116.94 kN)
Career
Operators
Power class 5P4F, later 5P5F, later 6P5F, later 5
Numbers
  • LMS: 13245–13284
  • → 2945–2984
  • BR: 42945–42984
Withdrawn 1963–1967
Disposition One preserved, remainder scrapped

The London Midland and Scottish Railway (LMS) Stanier Class 5 2-6-0 or Stanier Mogul is a class of 2-6-0 mixed traffic steam locomotive. Forty were built between October 1933 and March 1934.

Overview

Although all built at Crewe Works, they were designed at Horwich Works and were developed from the Horwich Mogul, the LMS Hughes Crab 2-6-0. They had the addition of several features brought over from the Great Western Railway by newly arrived Chief Mechanical Engineer William Stanier, most notably the taper boiler. (Stanier would have been familiar with the GWR 4300 Class). In an effort to please Stanier, Horwich had designed in a GWR style top-feed cover and locomotive 13245 appeared with the feature fitted. Stanier was not at all pleased, ordering it promptly removed and replaced with the normal LMS cover.

Due to a higher boiler pressure than the Crabs the cylinders were 3" smaller in diameter and so the cylinders were able to be mounted horizontally: the only Stanier design to do so. Like the Crabs they were connected to a Fowler tender that was narrower than the locomotive. When built the first ten locomotives had no water pick-up gear fitted to their tenders.

They were initially numbered 13245–13284 (following on from the Crabs), but as standard locomotives, in the LMS 1933 renumbering scheme they were renumbered 2945–2984 in 1934 (the Crabs becoming 2700–2944). BR added 40000 to their numbers so they became 42945–42984. They were always painted black, and this was lined out except during the austere periods of the 1940s and towards the end of steam.

From the end of 1934 Stanier turned to a larger 4-6-0 for his mixed traffic class, this being the LMS Black Five Class.

Details

Pre-1934
LMS Number
Post-1934

LMS Number
(BR + 40000)

Lot No. Works Built Notes
13245–57 2945–57 104 Crewe 1933 Original boiler design
13260 2960 104 Crewe 1933 Revised boiler design
13263 2963 104 Crewe 1933
13258–59 2958–59 104 Crewe 1934
13261–62 2961–62 104 Crewe 1934
13264–84 2964–84 104 Crewe 1934

Withdrawals

Withdrawals commenced in November 1963 with the last one being withdrawn in February 1967.

Table of withdrawals
Year Quantity in
service at
start of year
Quantity
withdrawn
Locomotive numbers
1963 40 4 42949/73/76/84.
1964 36 9 42952/56/62/65/66/69–71/79.
1965 27 11 42946–48/50/58/59/61/64/72/74/82.
1966 16 15 42945/51/53/5/57/60/63/67/68/75/77/78/80/81/83.
1967 1 1 42954.

Preservation

One, 13268/(4)2968, the penultimate member of the class to be withdrawn, has been preserved. This locomotive was restored on the Severn Valley Railway and is currently undergoing overhaul after withdrawal from service in January 2013; for a time it ran with the tender from LMS Black 5 no. 45110, but now has its own Fowler-pattern one.

References

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External links