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LMS Compound 4-4-0

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LMS 4P Compound 4-4-0
LMS 1115 circa 1925–1928
Type and origin
Power typeSteam
BuilderLMS Derby (75)
LMS Horwich (20);
North British Locomotive Company (25)
Vulcan Foundry (75)
Build date1924–1932
Total produced195
Specifications
Configuration:
​
 • Whyte4-4-0
 • UIC2′B h3v
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.3 ft 6+1⁄2 in (1.080 m)
Driver dia.6 ft 9 in (2.057 m)
WheelbaseLoco: 24 ft 3 in (7.391 m)
Length56 ft 7+7⁄8 in (17.269 m)
Loco weight61.70 long tons (62.69 t; 69.10 short tons)
Tender weight41.2–41.7 long tons (41.9–42.4 t; 46.1–46.7 short tons)
Fuel typeCoal
Fuel capacity4.0–5.5 long tons (4.1–5.6 t; 4.5–6.2 short tons)
Water cap.3,500 imp gal (15,900 L; 4,200 US gal)
Firebox:​
 • Grate area28.5 sq ft (2.65 m2)
BoilerG9AS
Boiler pressure200 lbf/in2 (1.38 MPa)
Heating surface:​
 • Firebox147 sq ft (13.7 m2)
 • Tubes and flues1,170 sq ft (109 m2)
Superheater:
​
 • Heating area290 sq ft (26.9 m2) or
272 sq ft (25.3 m2)
Cylinders
  • One high pressure (inside)
  • Two low pressure (outside)
High-pressure cylinder19 in × 26 in (483 mm × 660 mm)
Low-pressure cylinder21 in × 26 in (533 mm × 660 mm)
Valve gearStephenson
Valve type
Train brakesVacuum
Performance figures
Tractive effort22,650 lbf (100.75 kN)
Career
Operators
Power class4P
Numbers
  • LMS 900–939, 1045–1199
  • BR: 40900-40939, 41045–41199
Withdrawn1952–1961
DispositionAll 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 3998–4012
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 have survived into preservation, though the first of the Midland 1000 Class engines has.[6] There is an unconfirmed report that No. 41168 was the subject of an unsuccessful preservation attempt by Dr. Peter Beet.[7]

Table 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,
41104/07/17/24/26/27/30/35–36/49/54/61/69/75–77/83/88/98.
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,
41103/05/08/12/16/40/50–51/53/55/72/79–81/85–86/92/94–95/97.
1958 55 36 40920/28/31/33/35/37, 41060/66/68/71/78/83/86/90/93/95,
41102/06/11/13–14/18–19/22/44/52/56/59/63–64/67/89–90/93/96/99.
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. ^ "4-4-0 Midland Compound express passenger locomotive N0.1000". Srpsmuseum.org.uk. 7 March 2012. Retrieved 12 June 2014.
  2. ^ a b "Monument Lane Shed - View of ex-LMS 4P 4-4-0 Compound No 40936 coupled to the experimental Stanier 3500 gallon tender". Warwickshirerailways.com. Retrieved 12 June 2014.
  3. ^ Trevena, Arthur (1980). Trains in Trouble. Vol. Vol. 1. Redruth: Atlantic Books. p. 36. ISBN 0-906899-01-X. {{cite book}}: |volume= has extra text (help)
  4. ^ "Report on the Accident at Ashchurch on 8th January 1929" (PDF). Ministry of Transport. 5 March 1929. Retrieved 10 June 2014.
  5. ^ Hall, Stanley (1990). The Railway Detectives. London: Ian Allan. p. 99. ISBN 0 7110 1929 0.
  6. ^ "Steam Locomotives of a More Leisurely Era 1902 – 4-4-0 Compounds Midland Railway | Chasewaterstuff's Railway & Canal Blog". Chasewaterstuff.wordpress.com. 14 January 2013. Retrieved 12 June 2014.
  7. ^ Warwickshire Railways https://www.warwickshirerailways.com/lms/lnwrmlsh74.htm. Retrieved 9 December 2020. {{cite web}}: Missing or empty |title= (help)
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
  • Rowledge, J.W.P. (1975). Engines of the LMS built 1923–51. Oxford: Oxford Publishing Company. ISBN 0-902888-59-5.
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