LMS Stanier Mogul

LMS Stanier Mogul
42957 at Chester in August 1962.
Type and origin Power type Steam Designer William Stanier Builder LMS Crewe Works Build date October 1933 – March 1934 Total produced 40
Specifications Configuration: ​  • Whyte 2-6-0  • UIC 1′C h2 Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge Leading dia. 3 ft 3+1⁄2 in (1.003 m) Driver dia. 5 ft 6 in (1.676 m) Length 59 ft 10+3⁄4 in (18.26 m) 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) Firebox: ​  • Grate area 27+3⁄4 sq ft (2.58 m2) Boiler LMS type 3D Boiler pressure 225 lbf/in2 (1.55 MPa) Heating surface: ​  • Firebox 155 sq ft (14.4 m2)  • Tubes and flues 1,256 or 1,479 sq ft (116.7 or 137.4 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 London, Midland and Scottish Railway → British Railways Power class 5P4F, later 5P5F, later 6P5F, later 5MT Numbers LMS: 13245–13284 → 2945–2984 BR: 42945–42984 Nicknames Lobsters Withdrawn 1963–1967 Disposition One preserved, remainder scrapped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	October 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	March 1934	13268 preserved

Withdrawal

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	42945/51/53/55/57/60/63/67–68/75/77–78/80–81/83.
1967	1	1	42954.

Preservation

42968 on the Severn Valley Railway in March 2012

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, as of 2017, undergoing overhaul after withdrawal from service in January 2013. On two occasions, firstly between late 1994 and early 1998, and then between May 2010 and March 2012, it ran with the tender from Black 5 no. 45110, while its own Fowler-pattern one was undergoing repairs.

Models

Bachmann Branchline has produced a model of the Stanier Mogul including the preserved example.

Initial releases from Bachmann Branchline include the LMS Black Lined version 31-690 in February 2017, BR Black early emblem and BR Black late emblem. Later liveries to follow.

Bibliography

• Haresnape, Brian (1970). Stanier Locomotives. Ian Allan.
• Longworth, Hugh (2005). British Railway Steam Locomotives 1948–1968. ISBN 0-86093-593-0.
• Rowledge, J.W.P. (1975). Engines of the LMS built 1923–51. Oxford: Oxford Publishing Company. ISBN 0-902888-59-5.
• Sixsmith, Ian (August 2007). The Book Of The Stanier 2-6-0's. Irwell Press. ISBN 978-1-903266-80-9.

External links

• Stanier Mogul Fund