This is an excellent guide to scales and track!
So you’ve picked a scale to model in. It would be reasonable to think that the most important part of railway modelling – i.e. the track and the stock – would be an accurate scaled down version of the real thing. Well you’d be wrong.
Image from modelrailforum.com
OO Gauge suffers from a historical anomaly that means it’s rolling stock is actually too big for the track in runs on. In the early 20th century British model manufacturers had decided to compete with their American counterparts who had just launched O gauge. (Half of O Gauge, 3.5mm to the foot scale or 1:87). However to keep costs down they were still manufacturing models with wind up mechanisms. This method of propulsion was proving hard to fit into 1:87 scale models. The solution was to enlarge the models to 1:76 scale (or 4mm to the foot). Instead of enlarging the track…
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