On2 gauge is part of the hobby of rail transport modeling. The name is based on the common USA model railroad O scale ('oh' scale) of 1:48 and refers to the gauge between the rails (2 ft (610 mm) ) and the fact that it is narrow gauge, thus 'On2'.
On2 gauge is part of the hobby of rail transport modeling. The name is based on the common USA model railroad O scale ('oh' scale) of 1:48 and refers to the gauge between the rails (2 ft (610 mm) ) and the fact that it is narrow gauge, thus 'On2'.
Source: Wikipedia "On2 gauge" · CC BY-SA 4.0
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