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Homepage Introduction to the EMGS
Introduction
Disclaimer print email
The information on this web site is provided "as is", with no warranty or representation of any kind, express or implied, including those of merchantability and fitness for a particular purpose, or arising from a course of dealing, usage or trade practice. The E.M. Gauge Society Limited has made all reasonable efforts to ensure that information provided through this web site is accurate at the time of inclusion, however it accepts no liability for any inaccuracies or omissions in this web site. The information available on this site may be incomplete, out of date or inaccurate. The E.M. Gauge Society reserves the right to make changes and corrections at any time without notice. It is a condition of allowing you free access to the material on this web site that the E.M. Gauge Society Limited will not be liable for any loss or damage of any kind, including direct, indirect, special and consequential loss or damage of any kind, arising from the use of this information obtained either directly or indirectly from this web site,

 
What the EM Gauge Society has to offer print email

Typically all members receive a mailing shot five times a year containing a Newsletter as well as technical data, hints and tips needed for construction and conversion. These are provided in the form of loose-leaf sheets, which are added to as circumstances permit to form the Society Manual.

The sheets published in the year a member joins and all those sent out while he remains a member are issued free, whilst new members obtain all current sheets on payment of the joining fee.

Area Groups and groups within existing model railway clubs can be found in many parts of the country. A selection of layouts from these and of private individuals are invited each year to form the basis of expoEM, an event that takes places usually three times a year.

The Society's national gathering in May has for many years taken place in Bletchley. Two regional shows are also held and in recent years have been focused in Yorkshire and in Hampshire. Each event comprises lectures; demonstrations and specialist trade stands.

On joining the Society a member receives

  • The current newsletter and whilst stocks last all the back issues for the year.
  • All current issues of the Society Manual sheets published to date including a set of colour coded wiring diagrams.
  • The current price list and order form for goods available through the Trade Officer.
  • A set of track and turnout drawings which form the basis of construction.
  • Entrance to the expoEM events at reduced cost.

 
Conversion to EM print email

Many of the components used to build to 4mm fine scale standards can be obtained through local model shops and specialist suppliers. Workers in EM can use wheels such as those from Alan Gibson, Kean Maygib, Ultrascale, Sharman and Romford.

The conversion of many locomotives, both ready to run and kit constructed, is easily achieved by using longer axles and spacing washers between the wheels and the frames. Proprietary rolling stock can be changed for little more than the cost of new wheels.

The wheels and axles provided by the Society are a direct substitution for the proprietary wagon and coach ranges. In addition, the E.M. Gauge Society caters for those of its members who work to P4 standards where the track gauge is 18.83mm and a specific wheel profile must be used with tighter crossing flangeway and check-rail clearances. Obviously your track will have to be re-laid and the Society specialises in the provision of track building components. A set of full size track and turnout plans (either to EM or 18.83mm gauge) is given free to all members to form the basis of constructing trackwork and building jigs. Similarly a full set of Wiring Diagrams is given free at time of joining.

There are several plastic based plain track proprietary systems, which are also compatible with the hand built turnouts. Some systems can also provide the basic requirements for turnout construction. There are also various makes of copper clad trackwork etc.

 
What is EM ? print email


If you are interested in improving the look of your models or if you are contemplating construction for the first time please read on....

The E.M. Gauge Society is here to help you.

If you already model to EM or P4 standards we would like your support.


Why 4mm scale?
In the years which immediately followed the First World War, railway modelling began to appeal to many more than the few who had tasted its pleasures in the earlier times. The popular size was gauge 0 with a scale of 7mm to the foot which in the mass of small houses, which were being built at that time, provided little chance of constructing anything which could pretend to be a representative layout.
The solution was to change the scale and a size half that of gauge 0 was an obvious choice. The electric motor technology of the age prevented anything smaller. These motors were large by modern standards and the drive was transmitted through in-line spur gears. The new scale was known as H0 (half 0) at 3.5mm to 1 foot, and whilst Continental and American locomotive boilers could accommodate the motor armatures and magnets, the restrictions of the British loading gauge and typically small boilered locomotives caused considerable trouble. The British answer was to increase the scale to 4mm to 1 foot (76.2 to 1). The Europeans and Americans stuck to their H0 and whilst modern techniques can easily provide small enough motors, the British have remained faithful to their own 4mm scale.


Why 00 gauge?
Having decided to use 4mm as the scale, the problem was that no manufacturers produced a proprietary 4mm scale track. Continental imports were for 3.5mm scale requiring the British wheels to be moved "in" to run on the smaller scale (gauge) track. There was also a belief that the wheel treads had to be of "steam roller" proportions if the stock was to remain on the rails, and by setting the wheels further back than they should be, this function was obtained. The 3.5mm scale track gauge is 16.5mm and for want of a designation the mixture of 4mm scale locomotives running on 3.5mm scale track work was called 00.

Read more... [What is EM ?]
 
About the EM Gauge Society print email

 

Welcome to the Website of the EM Gauge Society.

We are a UK based international society created to promote and cater for railway modellers working to a scale of 4mm/ft and a 18.2mm gauge.

We also cater for P4 modellers working to the more demanding Protofour standards and a track gauge of 18.83mm.

The scale of 4mm/ft is the same as ‘OO’ but EM standards replace the under scale 16.5mm track gauge with specifications that more closely resemble the prototype 4’8 ½” track gauge. OO/4mm accessories available for creating your layout are equally suitable for modelling in EM.

Rolling stock and locomotives offered by the likes of Hornby and Bachmann as well as kits supplied for 00 can generally be converted to run in EM using components supplied by the Society and basic tools.

We offer a comprehensive membership package that includes:
  • Technical Manual – Over 250 pages containing hints & tips to assist you in constructing or converting your models. (now issued on CD with option of printed copy). Click here to view a sample.
  • Updates issued with Newsletter. Newsletters issued regularly throughout the year. Gives the Society latest news and updates. Useful sales section for members to sell and buy items. Click here to view a sample.
  • Area Groups and groups within existing model railway clubs can be found in many parts of the country. Groups will extend a warm welcome to new members so you won’t feel alone with your problems.
  • EMGS Events - Each year the Society runs shows. Currently we have the major one at Bracknell, with a second in Yorkshire. We are always hoping to improve and aim to make them some of the best shows in the country. As well as layouts, each event comprises lectures, demonstrations and specialist trade stands. Plus we have our AGM. Whilst on a smaller scale it is a useful place to shop and see what’s happening in the Society and have your say on how we run things. The annual modelling competition takes place at the AGM.
  • Trade Sales – We stock many items at competitive prices to assist you with your hobby. Our Trade Office is a good source of knowledge and is ready to advise on what you need to convert your stock or build the track. We do offer a mail order service to our members.
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Should you be unable to logon then please contact us using this this link and we will investigate. Please include your membership number with your message.