Z scale is the smallest, electrically operated model train scale commerically available. Z scale (1:220) is about 3/4 smaller than N scale (1:160). Z scale is a fascinating scale because the diminutive size of the trains can be realistically overwhelmed by the scenery. Additional general information on Z scale model railroading is can be found in the bi-monthly magazine, ztrack.com.
There are two modular standards for Z scale, both have similarities to the Ntrak standards interface standards. Unlike Ntrak, both Z scale standards are endplate or interface only standards and do not specify module length or angles. This allows the free form of Free-mo modules with “balloon” turn around loops.
Z-BendTrack utilizes a double track mainline on both sides of the module. The tracks are connected on the ends by a return loop, creating an inner and outer loop or oval of track. The standard only covers the last 5 inches or so of a module. This means that unlike Ntrak, the Z-BendTrack modules are not limited to increments of 2 foot lengths and do not have to be either 90 degree corners or straights. Z-BendTrack modules are similar to Free-mo modules in that they can be free form in shape and length.
Z-BendTrack has a very nice Adobe pdf manual covering the standard, planning concepts, module construction and electrical. If you are modeling in other scales or standards, it is a worthwhile reference even if you are modeling a different scale or to other module standards.
Z-BendTrack electrical standards use the DB-25 computer cable to make connections. The use of the DB-25 or parallel printer cables is possible because Z scale equipment uses a lower voltage of 8-10 volts and of similarly low amperage.
Other Z-BendTrack resources include:
- Northwest Pacific Z Scalers Club have their Z-BendTrack module standards available online.
- The message archives on the Z-BendTrack Yahoo group are open for public review.
- Robert Ray’s website has a photo gallery of the 2005 National Train Show Z BendTrack modules.
ZMod is Norwegian based module standard with two mainlines on the front of the module, similar to the Ntrak modules, and endplates and electrical connectors similar to the European Fremo module standards. ZMod is also a module end specification, leaving the module lenght and angle to the builder. The website is available in both Norwegian and English languages.
The ZMod website host a photo gallery of a ZMod setup in Solberghallen in November 2006.
JamesRiverBranch is not a module but a Z scale layout built of Gatorboard. It is worth reviewing if you are looking for ultralight module construction ideas.
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