OO gauge

Hornby Railways Flying Scotsman locomotive on an 00 gauge layout

OO gauge or OO scale (also spelled 00 gauge and 00 scale) model railways are the most popular standard-gauge model railway tracks in the United Kingdom. This track gauge is one of several 4 mm-scale standards (4 mm to 1 foot or 1:76.2) used, but it is the only one to be served by the major manufacturers. Despite this, the OO track gauge of 16.5 mm (0.65 in) is inaccurate for 4 mm scale, and other gauges of the same scale have arisen to better serve the desires of some modellers for greater scale accuracy.

单词	OO gauge
释义	OO gauge 英语百科 OO gauge OO gauge or OO scale (also spelled 00 gauge and 00 scale) model railways are the most popular standard-gauge model railway tracks in the United Kingdom. This track gauge is one of several 4 mm-scale standards (4 mm to 1 foot or 1:76.2) used, but it is the only one to be served by the major manufacturers. Despite this, the OO track gauge of 16.5 mm (0.65 in) is inaccurate for 4 mm scale, and other gauges of the same scale have arisen to better serve the desires of some modellers for greater scale accuracy.
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