LNER Class D49
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London and North Eastern Railway The London and North Eastern Railway (LNER) was the second largest (after LMS) of the " Big Four" railway companies created by the Railways Act 1921 in Britain. It operated from 1 January 1923 until nationalisation on 1 January 1948. At th ...
(LNER) D49 Class is a class of
4-4-0 4-4-0 is a locomotive type with a classification that uses the Whyte notation for the classification of steam locomotives by wheel arrangement and represents the arrangement: four leading wheels on two axles (usually in a leading bogie), four po ...
steam locomotives designed by
Nigel Gresley Sir Herbert Nigel Gresley (19 June 1876 – 5 April 1941) was a British railway engineer. He was one of Britain's most famous steam locomotive engineers, who rose to become Chief Mechanical Engineer (CME) of the London and North Eastern Rai ...
. They were named after
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s and
shire Shire is a traditional term for an administrative division of land in Great Britain and some other English-speaking countries such as Australia and New Zealand. It is generally synonymous with county. It was first used in Wessex from the beginn ...
s. One, 246/62712 ''Morayshire'' has been preserved on the
Bo'ness and Kinneil Railway The Bo’ness and Kinneil Railway is a heritage railway in Bo'ness, Scotland. It is operated by the Scottish Railway Preservation Society (SRPS), and operates a total of over of track (between Bo'ness and Manuel Junction, via Kinneil and Birkh ...
.


Sub-classes

* D49/1 Introduced 1927 with
Walschaerts The Walschaerts valve gear is a type of valve gear used to regulate the flow of steam to the pistons in steam locomotives, invented by Belgium, Belgian railway mechanical engineering, engineer Egide Walschaerts in 1844. The gear is sometimes name ...
and, Gresley conjugated valve gear with
piston valves Piston valves are one form of valve used to control the flow of steam within a steam engine or locomotive. They control the admission of steam into the cylinders and its subsequent exhausting, enabling a locomotive to move under its own power ...
* D49/2 Introduced 1928 with
Lentz Lentz is a Germanic surname. People Notable people with the surname include: * Bryan Lentz (born 1964), attorney and former Pennsylvania legislator * Carl Lentz American pastor, former lead pastor of Hillsong Church NYC * Daniel Lentz (born 1942 ...
rotary-cam
poppet valve A poppet valve (also called mushroom valve) is a valve typically used to control the timing and quantity of gas or vapor flow into an engine. It consists of a hole or open-ended chamber, usually round or oval in cross-section, and a plug, usual ...
s * D49/3 Introduced 1928 with
Lentz Lentz is a Germanic surname. People Notable people with the surname include: * Bryan Lentz (born 1964), attorney and former Pennsylvania legislator * Carl Lentz American pastor, former lead pastor of Hillsong Church NYC * Daniel Lentz (born 1942 ...
oscillating-cam
poppet valve A poppet valve (also called mushroom valve) is a valve typically used to control the timing and quantity of gas or vapor flow into an engine. It consists of a hole or open-ended chamber, usually round or oval in cross-section, and a plug, usual ...
s * D class Introduced 1941 with Stephenson
valve A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings ...
Gear A gear is a rotating circular machine part having cut teeth or, in the case of a cogwheel or gearwheel, inserted teeth (called ''cogs''), which mesh with another (compatible) toothed part to transmit (convert) torque and speed. The basic pr ...
and 8-inch(203 mm)
piston valves Piston valves are one form of valve used to control the flow of steam within a steam engine or locomotive. They control the admission of steam into the cylinders and its subsequent exhausting, enabling a locomotive to move under its own power ...


Names and numbers


Accidents and incidents

*On 3 January 1931, locomotive No. 2758 ''Northumberland'' was hauling a passenger train that was derailed at Carlisle, Cumberland due to excessive speed through a curve. Three people were killed. *On August 16, 1952, the single D class locomotive No. 62768 ''The Morpeth'' was involved in a collision between a light engine and a passenger train at Dragon Junction near Starbeck. The other two locomotives involved were also Ex-LNER D49's. No.62758 ''The Cattistock'' and the other D49 were repaired after the accident but ''The Morpeth'' sustained substantial damage and was withdrawn and scrapped that same year. ''The Cattistock''’s tender was damaged, so it and ''The Morpeth''’s undamaged tender were swapped. *In July 1958, locomotive No. 62703 ''Hertfordshire'' ran into the turntable pit at ,
Yorkshire Yorkshire ( ; abbreviated Yorks), formally known as the County of York, is a Historic counties of England, historic county in northern England and by far the largest in the United Kingdom. Because of its large area in comparison with other Eng ...
and rolled onto its side.


Images


References

*


External links


D49 Hunt/Shire page on the LNER Encyclopedia

D49 No. 62719 ''Peebles-shire'' in 1953 on YouTube
4-4-0 locomotives D49 Preserved London and North Eastern Railway steam locomotives Railway locomotives introduced in 1927 Standard gauge steam locomotives of Great Britain Passenger locomotives {{UK-steam-loco-stub