1:29 Radius Guidelines
The following is a suggested guideline for minimum diameter curves for various models in 1:29 scale.
Diameter Versus Radius
The following are the minimum DIAMETER of a circle of track recommended for a given locomotive.
The RADIUS is half the diameter.
These are recommendations by the manufacturer/importer. Sharp curves look toylike, and contribute to operational problems. Broad curves enhance the realism of a model.
Aristocraft and USA Trains
|Manufacturer||Locomotive||Diameter, Feet||Radius, Inches|
|Center Cab Diesel|
|2-8-2 Mikado 8ft||8||48|
|USA Trains||NW-2 4f||4||24|