The London and North Eastern Railway

London and North Eastern Railway

The London and North Eastern Railway was the second-largest of the "Big Four" railway companies created by the Railways Act 1921 in Britain...

 Class J39 was a class of 0-6-0

0-6-0

Under the Whyte notation for the classification of steam locomotives, 0-6-0 represents the wheel arrangement of no leading wheels, six powered and coupled driving wheels on three axles, and no trailing wheels...

 steam locomotive

Steam locomotive

A steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...

 designed for freight work. They were based on the previous Class J38

LNER Class J38

The London and North Eastern Railway Class J38 was a class of steam locomotive designed for freight work. They were designed by Nigel Gresley and introduced in 1926. A total of 35 were built and they were used in Scotland...

 but with larger driving wheel

Driving wheel

On a steam locomotive, a driving wheel is a powered wheel which is driven by the locomotive's pistons...

s.

A total of 289 J39s were built over fifteen years. They were designed by Nigel Gresley

Nigel Gresley

Sir Herbert Nigel Gresley was one of Britain's most famous steam locomotive engineers, who rose to become Chief Mechanical Engineer of the London and North Eastern Railway . He was the designer of some of the most famous steam locomotives in Britain, including the LNER Class A1 and LNER Class A4...

 and introduced in 1926. All passed into British Railways ownership in 1948 and they were numbered 64700-64988.

Dimensions

• BR Power classification, 4P5F
• Locomotive
  Steam locomotive
  A steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...
  
   weight, 57 tons 17 cwt
• Tender weight:
  • J39/1, standard 3,500 gallon tender, 44 tons 4 cwt
  • J39/2, standard 4,200 gallon tender, 52 tons 13 cwt
  • J39/3, various North Eastern Railway
    North Eastern Railway (UK)
    The North Eastern Railway , was an English railway company. It was incorporated in 1854, when four existing companies were combined, and was absorbed into the London and North Eastern Railway at the Grouping in 1923...
    
     tenders
• Boiler
  Fire-tube boiler
  A fire-tube boiler is a type of boiler in which hot gases from a fire pass through one or more tubes running through a sealed container of water...
  
   pressure, 180 psi
• Superheater
  Superheater
  A superheater is a device used to convert saturated steam or wet steam into dry steam used for power generation or processes. There are three types of superheaters namely: radiant, convection, and separately fired...
  
  , Yes
• Cylinders
  Cylinder (engine)
  A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders are commonly arranged side by side in a bank, or engine block, which is typically cast from aluminum or cast iron before receiving precision machine work...
  
  , 20"x26"
• Driving wheel
  Driving wheel
  On a steam locomotive, a driving wheel is a powered wheel which is driven by the locomotive's pistons...
  
   diameter, 5' 2"
• Tractive effort
  Tractive effort
  As used in mechanical engineering, the term tractive force is the pulling or pushing force exerted by a vehicle on another vehicle or object. The term tractive effort is synonymous with tractive force, and is often used in railway engineering to describe the pulling or pushing capability of a...
  
  , 25,665 lb
• Valve gear
  Valve gear
  The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle...
  
  , Stephenson (piston valves)

In model form

Bachmann

Bachmann Industries

Bachmann Industries is a Bermuda registered Chinese owned company, globally head quartered in Hong Kong; specializing in model railroading....

 manufacture the J39/2 version in 00 gauge model form. http://www.bachmann.co.uk/prod1.php?prod_selected=branchline&prod=3

Bassett-Lowke

Bassett-Lowke

Bassett-Lowke was a toy company in Northampton, England, founded by Wenman Joseph Bassett-Lowke in 1898 or 1899, that specialized in model railways, boats and ships, and construction sets...

 manufacture the J39/2 version in 0 gauge model form.

External links

• LNER encyclopedia
• Railuk database for J39/1, J39/2 and J39/3