Jim Jim Harper has built an amazing model railroad in the unusual scale of Proto 48 in Saint George Utah. Proto 48 strives to be the most accurate scale available with wheel profiles and track gauge 100% correct for 1: 48 scale. “O” scale normally has a gauge that is way too wide and a wheel to wide and flange which is much bigger than scale.
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Please watch: “The Trains of Santa Cruz California”
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