G3 Made Simple
Locomotive Project No. 1
A Live Steam 0-4-4 Tank
A step-by-step construction guide provided
by our contributor "Ginger".
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Part 7 : Engines from Scotland
As a break from the construction of James, this issues concerns the engines constructed for use in Scotland. In Part 2 of this series reference was made to the 0-4-4 tank engines built for the Caledonian Railway. Whilst searching through the archives for material I came across more information about the other railways of Scotland that might be of interest to prospective builders of a live steam model. The very fine photograph of the preserved CR 419 below, courtesy of the SRPS, shows the beautiful colour scheme of Caledonian engines to good effect.
The table below is a summary of most of the 0-4-4 tank engines built for use in Scotland. The table covers the locomotives that were absorbed by the LMS at the grouping in 1924 from the Caledonian, Glasgow & South Western and the Highland. The LNER absorbed the North British and the Great North of Scotland Railway which classed the 0-4-4 tanks as class G.

It is understood that there were three more classes on the Glasgow South West Railway, however details have so far been elusive. As one can see from the table, most of the locomotive designers for locomotives used in Scotland had adopted a common 5 foot 9 inch driving wheel with 18 spokes, unlike the locomotives across the border which tended to have 16 spokes.

This little publication illustrated on the left, from Ian Allan in 1944 reviews all of the locomotives designed by McIntosh for the Caledonian Railway and is a mine of information. The majority of the CR 0-4-4 tank engines are included, plus the ones designed by Pickersgill.

The photograph below is also of CR 419, supplied courtesy of the SRPS.
Their website has many photographs of this locomotive under various stages of restoration and provides many interesting views of the construction of these locomotives.
The drawing below is of the North British designed by Reid and built in 1909, and later classified by the LNER as G9 class.
The two drawings below, found in a very early copy of the Stephenson Locomotive Club newsletter is of the GSWR Manson tank originally numbered 326 to 335, subsequently renumbered 520 to 529 by Mr Whitelegg.
The drawing below is of the four Manson engines subsequently rebuilt by Mr Whitelegg with the frames extended at the rear to accommodate longer coal bunkers.
The photograph below is of a GNSR designed by J. Johnson and built by Neilson in 1893. The picture comes from a short lived publication called Locomotives that only existed between 1900 and 1902.
NRM Drawings.
A search of the NRM OPC drawing list reveals that several General Arrangement drawings of locomotives from Scotland still exist and are quite extensive. There also seem to be many duplicates so if you are going to purchase a print it would be advisable to contact staff at the NRM Search Engine and ask their advice. Why not download the OPC list from the NRM website and search for yourself? Individual lists for drawings from Ashford, Brighton, Derby, Doncaster and Stratford are also available.
A wheel for the engines from Scotland.
A correct wheel pattern with 18 spokes has been discovered by my dear friend Reg found hidden away in a bottom drawer. This is a very old pattern made to very fine standards. The cast iron product can be turned to the scale 5' 9 " diameter.

Eagle Eye will have spotted an earlier mistake as there is another preserved 0-4-4 tank engine at the Beamish museum recently repatriated from Canada in 2010. This engine built for the Duke of Sutherland in 1897 is essentially the same as the four engines built by Peter Drummond for the Highland Railway in 1905.