LMS Ivatt Class 2 2-6-0

LMS Ivatt Class 2 2-6-0

Infobox Locomotive
powertype=Steam
name = LMS Ivatt Class 2 2-6-0


caption = Preserved locomotive, no. 46443 at Bewdley railway station on 10th November 2007.
designer = H. G. Ivatt
builder = LMS & BR Crewe works
BR Darlington Works
BR Swindon Works
builddate = 1946–1953
totalproduction = 128
whytetype = 2-6-0
uicclass=1'Ch
gauge = RailGauge|ussg
leadingsize = convert|36|in|m|3|abbr=on
driversize = convert|60|in|m|3|abbr=on
length = convert|53|ft|1+3/4|in|abbr=on
weight = convert|47.10|LT|t|1 (6400–64)
convert|48.45|LT|t|1 (remainder)
convert|37.15|LT|t|1 (tender)
fueltype = Coal
fuelc
convert|4|LT|t|1
waterc
convert|3000|impgal|l|abbr=on|lk=on
cylindercount = Two, outside
cylindersize = 16×24 in (406×610 mm)
valvegear=
boiler=LMS type 7
boilerpressure = convert|200|psi|MPa|2|abbr=on|lk=on
tubearea = convert|924|sqft|abbr=on
superheaterarea= convert|134|sqft|abbr=on or
convert|124|sqft|abbr=on
fireboxarea = convert|101|sqft|abbr=on
firearea = convert|17.5|sqft|abbr=on
tractiveeffort = convert|17410|lbf|kN|2|abbr=on|lk=on
railroadclass=LMS 2F
BR: 2MT
retiredate=1961–1967
nicknames="Mickey Mouse"The London, Midland and Scottish Railway (LMS) Ivatt Class 2 2-6-0 is a class of steam locomotive designed for light mixed traffic.

Overview

Elderly 0-6-0s formed the backbone of the low-powered locomotives within the LMS fleet. William Stanier had concentrated on introducing larger engines and it was left to George Ivatt to introduce a new class of low-powered locomotive. He designed a tender version of the Ivatt Class 2 2-6-2T, introduced at the same time, which was inspired by the Great Western 4500 and 4575 classes. The 2-6-0s, with their greater range (3,000 gal of water and 4 tons of coal compared to the tank design's 1,350 gal and 3 tons), were well-suited to their task and, following attention to draughting problems by both Derby and Swindon, quickly became a success. Further engines of this type were built as the BR standard class 2 2-6-0, these locomotives having BR standard fittings and a modified cab and tender profile to allow completely unrestricted route availability; both LMS and BR 2MT moguls are often referred to by the affectionate nickname "Mickey Mouse" [cite journal |journal=Steam Railway |month=November |year=2007 |volume=343 |title=Bridgnorth's Sstalwart 'Mickey Mouse' is focus of charter |last=Hopkins |first=Simon |pages=page 24] .

A total of 128 were built between 1946 and 1953, mostly at Crewe. 20 were built by LMS and given the numbers 6400-19. On nationalisation in 1948 40000 was added to their numbers to become 46400-19. The remaining 108 locomotives of the class, numbered 46420-46527 were built by British Railways, and from 46465 (Darlington, 1951) an increase in cylinder diameter of 1/2 inch yielded a Tractive Effort of 18,510 lb, 1,100 lb greater than the original design. The LMS classified them 2F, BR as 2MT.

38 (46465 to 46502) were built at Darlington and allocated to the Eastern and North Eastern regions. The final 25 (46503 to 46527) were built at Swindon and, being allocated to the Western Region , consequently carried the GWR-type vacuum ejector and firehole doors. The Swindon locomotives were turned out, initially, in lined black. Under the Hanks regime, some received lined green livery as they passed through works. The rest carried black livery. None of the Class was named in service, however some have been named in preservation.

The class was withdrawn between 1961 and 1967.

Preservation

Seven have been preserved. These are 46428, 46441, 46443, 46447, 46464, 46512 and 46521. 46512 and 46521 were built at Swindon and 46521 carries the BR green livery. 46441 has been given an inauthentic livery of "what might have been" had the LMS not been nationalised; it has been renumbered 6441 and painted in LMS passenger crimson lake livery. Details in preservation are as follows:

* Named in preservation.

00 Gauge Models

Hornby Railways produced a poor model of the class in BR Green and Black. Bachmann Branchline currently (2007) produce an excellent model in LMS Black, BR early Black and the preserved BR Green example. Comet Models produce an excellent, all-metal kit.

In fiction

No. 46521 appeared in the sitcom Oh, Doctor Beeching! It was for this that it received the name 'Blossom'

External links

* [http://www.br46464.co.uk/ The Carmyllie Pilot Company Limited] (owners of 46464)
* [http://www.lslg.co.uk/ Loughborough Standard locomotive Group] (owners of 46521)

References

*


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