LMS Compound 4-4-0

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LMS 4P Compound 4-4-0
300px
LMS 1115 circa 1925–1928
Type and origin
Power type Steam
Builder LMS Derby (75)
LMS Horwich (20);
North British Locomotive Company (25)
Vulcan Foundry (75)
Build date 1924–1932
Total produced 195
Specifications
Configuration 4-4-0
UIC class 2′B h3v
Gauge 4 ft 8 1⁄2 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 6 ft 9 in (2.057 m)
Wheelbase Loco: Lua error in Module:Convert at line 272: attempt to index local 'cat' (a nil value).
Length Lua error in Module:Convert at line 452: attempt to index field 'titles' (a nil value).
Loco weight 61.70 long tons (62.69 t; 69.10 short tons)
Tender weight 41.2–41.7 long tons (41.9–42.4 t; 46.1–46.7 short tons)
Fuel type Coal
Fuel capacity 4.0–5.5 long tons (4.1–5.6 t; 4.5–6.2 short tons)
Water cap Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
Boiler G9AS
Boiler pressure 200 lbf/in2 (1.38 MPa)
Firegrate area 28.5 sq ft (2.65 m2)
Heating surface:
 • Tubes and flues		 1,170 sq ft (109 m2)
 • Firebox 147 sq ft (13.7 m2)
Superheater:
 • Heating area		 Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). or
272 sq ft (25.3 m2)
Cylinders
  • One high pressure (inside)
  • Two low pressure (outside)
High-pressure
cylinder size		 19 in × 26 in (483 mm × 660 mm)
Low-pressure
cylinder size		 21 in × 26 in (533 mm × 660 mm)
Valve gear Stephenson
Valve type
Train brakes Vacuum
Performance figures
Tractive effort 22,650 lbf (100.75 kN)
Career
Operators
Power class 4P
Numbers
  • LMS 900–939, 1045–1199
  • BR: 40900-40939, 41045–41199
Withdrawn 1952–1961
Disposition All scrapped

The London, Midland and Scottish Railway Compound 4-4-0 was a class of steam locomotive designed for passenger work.[1]

Overview

One hundred and ninety five engines were built by the LMS, adding to the 45 Midland Railway 1000 Class, to which they were almost identical. The most obvious difference is that the driving wheel diameter was reduced from 7 ft 0 in (2.134 m) on the Midland locomotive to 6 ft 9 in (2.057 m) on the LMS version. They were given the power classification 4P.

The LMS continued the Midland numbering from 1045 to 1199 and then started in the lower block of 900–939. After nationalisation in 1948, BR added 40000 to their numbers so they became 40900–40939 and 41045–41199.[2]

Table of orders
LMS No. BR No. Lot No. Date built Built by Notes
1045–1084 41045–41084 6 1924 Derby Works
1085–1114 41085–41114 16 1925 Derby Works
1115–1130 41115–41130 17 1925 Horwich Works
1131–1134 41131–41134 17 1926 Horwich Works
1135–1159 41135–41159 18 1925 North British Loco 23229–53
1160–1184 41160–41184 19 1925 Vulcan Foundry 3833–3857
1185–1199 41185–41199 38 1927 Vulcan Foundry 3990–4012
900–909 40900–40909 38 1927 Vulcan Foundry 4013–4022
910–924 40910–40924 38 1927 Vulcan Foundry 4033–4047
925–934 40925–40934 38 1927 Vulcan Foundry 4023–4032
935–939 40935–40939 90 1932 Derby Works 40936[2]

Accidents and incidents

  • On 8 January 1929, locomotive 1060 was hauling an express passenger train from Bristol to Leeds, Yorkshire when it overran signals at Ashchurch, Gloucestershire and collided with a freight train that was being shunted. Four people were killed.[3][4]
  • On 13 March 1935, locomotive No. 1165 was hauling a milk train that was in a rear-end collision with an express freight train at King's Langley, Hertfordshire due to a signalman's error. Two other freight trains collided with the wreckage, one person was killed.[5]

Withdrawal

The class were withdrawn between 1952 and 1961. None has survived to preservation, though the first of the Midland 1000 Class engines has.[6]

Tavle of withdrawals
Year Quantity in
service at
start of year		 Quantity
withdrawn		 Locomotive numbers
1952 195 6 40911/18/22, 41109/71/82.
1953 189 13 40905, 41046/52/55–57/92/99, 41125/45/48/78/84.
1954 176 23 40901/14/19/23, 41047/51/54/58/74/80/82/84/87/96,
41110/15/33/34/38/39/41/46/74.
1955 153 37 40903/06/08/12/13/15/16/21/24, 41059/61/67/69/70/72/76/81/91,
41104/07/17/24/27/26/30/35/36/49/54/61/69/75–77/83/88/98.
1956 116 27 40900/02/09/10/17/29/32/38/39, 41050/53/65/79/88/97,
41126/28/31/32/37/42/47/60/66/70/87/91.
1957 89 34 40904/26/27/30/34, 41045/48/64/73/75/77/85/89/98,
41103/05/08/12/16/40/50/51/53/55/72/79/80/81/85/86/92/94/95/97.
1958 55 36 40920/28/31/33/35/37, 41060/66/68/71/78/83/86/90/93/95,
41102/06/11/13/1418/19/22/44/52/56/59/63/64/67/89/90/93/96/99.
1959 19 13 40925, 41049/62/94, 41100/01/20/21/23/43/58/65/73.
1960 6 4 40907, 41063, 41157/62.
1961 2 2 40936, 41168.

References

  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
Sources
  • Ian Allan ABC of British Railways Locomotives, 1948 Edition, part 3, pp 5–6
  • David Hunt, John Jennison and Bob Essery. LMS Locomotive Profiles No. 13: The Standard Compounds ISBN 978-1-905184-811
  • Lua error in package.lua at line 80: module 'strict' not found.

External links

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