Category
Track & layouts
Track systems, rail codes, curves, gradients and planning a layout that fits your space.
- HO track codes explained: code 100, 83, 75 and more "Code" is the height of the rail in thousandths of an inch. Here's what the common HO codes mean, which brands use them, and how to join different co…
- How to build a gentle gradient on an HO layout Gradients let one line cross another, but steep or abrupt ones make trains stall or derail. Work out your rise and run first, then ease in and out of…
- How to choose a minimum curve radius for HO Tight curves save space but limit what you can run. Use the makers' radius tables and the NMRA's recommended practice to choose the smallest curve yo…
- How to lay flexible track Flexible track lets you lay smooth, broad curves and long straights with fewer joints than set track. Take your time with the cuts and joints and it …
- How to plan a small HO layout A well-planned small layout beats a half-built big one. Measure your space, choose your curves, and draw it at full size before you buy track.
- How to wire a simple 2-rail DC layout A simple oval or end-to-end layout needs only a controller and a couple of feeds. Get the polarity right, separate sections with insulated joiners, a…
On the shelf — the things these guides call for.