j-module logo J-Module Standards Book


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The J-Module standards are now available for free and could be used free of charge for personal or club use. Please remember the following: if you decide to adapt standards to your personal taste, please do not name your standard  'J -Module', but be a good sport and choose a different name. Have fun!

Until now the following standards have been set:

  1. Introduction
  2. Construction of a J-Module
  3. Electrical
  4. Catenary
  5. Vehicle standards

pdflogo  The standards can be downloaded in the *.pdf format which you can read with Adobe's Acrobat reader or an alternative pdf reader.

** NEWS ** 5-11-2005
I rectified the mistake found in September 2005 and updated Chapter 2 of the Standards book. Please update your standards book by downloading the new *.pdf file.

All of the above speak for themselves, but sometimes a standard will change or new standards will be added. To keep yourself up-to-date with these changes it is recommended to join the J-Module discussion group on Yahoo Groups. From now on most new developments will take place on the technical side, mainly n the field of the electrical standards, of which more detailed descriptions will be made.


J-Module in short

  1. Easy to build and transport modules that can be built with limited costs, skills and effort
  2. Straight modules of 600, 900, 1200 and 1500 mm are possible. 1800 mm long modules are possible, but hard to store, transport and handle.
  3. Corner modules are are 760 x 760 mm and two different curve radii are possible.
  4. Use of Tomix 'Fine Track' sectional track instead of flextrack to make tracklaying easy and even suitable for beginners.
  5. Connection of modules by means of extendable track pieces, by Tomix of course, electrical connections by DIN loudspeaker plugs and sockets (2-wire system)
  6. The surface on which the tracks are to be laid should be at 1100 mm above the floor; this is a nominal value, the supporting legs should allow compensation for some 25 mm up and 25 mm down.
  7. As usual in Japan, analogue control is to be used. Tomix controllers are preferred, use a suitable step-down transformer to convert the local mains voltage to Japanese 100 V AC. Digital control is not foreseen in the near future, but the option is still open.


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