2 gauge
Model railroad gauge / From Wikipedia, the free encyclopedia
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For the firearm size, see 2 bore.
Gauge 2 (also called 2 gauge or II gauge) is a model railway gauge, originally 64 mm (2+1⁄2 in),[1] then standardised in 1909 at 2 in (50.8 mm), a 20% reduction and a change in definition: from mm to inch.[citation needed] It has since fallen into disuse. The gauge was introduced by Märklin at the Leipzig toy fair in 1891. Gauge 2 was equivalent to a 1:22.5 scale.
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Quick Facts Scale ratio, Model gauge ...
2 gauge | |
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Scale ratio | ca. 1:22.5 |
Model gauge | 64 mm (2+1⁄2 in) later: 2 in (50.8 mm) |
Prototype gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
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