5.5mm Association

The ideal narrow gauge scale

Welcome to the 5.5mm Association

The 5.5mm Association is a group of like-minded railway modellers working in 5.5mm (1/55th) and 6mm (1/50th) scales. Most are modelling around 2 foot narrow gauge on 12mm track or 3 foot narrow gauge on 16.5mm track. However, some model 15-18 inch gauge on 9mm track and 3 foot 6 inch gauge on 3/4" gauge track. A former member of the Association has even built a 5.5mm scale standard gauge tram!

Have a look through the site for more information about what is available for modellers in this scale and go to "How to Join" for information on becoming a member.

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5.5mm Association