LMS Stanier Mogul

LMS Stanier Mogul
Preserved 42968 at Kidderminster Town, Severn Valley Railway
Power type Steam
Designer William Stanier
Builder LMS Crewe Works
Build date 1933–1934
Total produced 40
Configuration 2-6-0
UIC classification 1'Ch
Gauge 4 ft 8 12 in (1,435 mm)
Leading wheel
diameter
3 ft 3 12 in (1.003 m)
Driver diameter 5 ft 6 in (1.68 m)
Length 59 ft 10 34 in (18.256 m)
Locomotive weight 69.10 long tons (70.21 t)
Tender weight 42.2 long tons (42.9 t)
Fuel type Coal
Fuel capacity 5 long tons (5.1 t)
Water capacity 3,500 imp gal (16,000 l; 4,200 US gal)
Boiler LMS type 3D
Boiler pressure 225 psi (1.55 MPa)
Firegrate area 27.75 sq ft (2.578 m2)
Heating surface:
Firebox
155 sq ft (14.4 m2)
Cylinders Two, outside
Cylinder size 18 × 28 in (460 × 710 mm)
Valve gear Walschaerts, piston valves
Tractive effort 26,290 lbf (116.9 kN)
Class 5P4F, later 5P5F, later 6P5F, later 5
Retired 1963–1967
Disposition One preserved, remainder scrapped

The London Midland and Scottish Railway (LMS) Stanier 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.

Contents

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 13245–84 (following on from the Crabs), but as standard locomotives, in the LMS 1933 renumbering scheme they were renumbered 2945–84 in 1934 (the Crabs becoming 2700–2944). BR added 40000 to their numbers so they became 42945–84. 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 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.

Preservation

One, 13268/(4)2968, the penultimate locomotive to be withdrawn, into preservation. This locomotive was restored on the Severn Valley Railway and is currently operational, with the tender from LMS Black 5 no. 45110

References

External links