Sn3½
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In rail transport modelling, Sn3½ is a scale/gauge combination derived from S scale to represent narrow gauge 3 ft 6 in (1,067 mm) track by using 16.5 mm (0.65 in) gauge track (the same as HO gauge). The scale is 1:64.
Quick Facts Scale, Scale ratio ...
Sn3½ | |
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Scale | 3⁄16 in (4.8 mm) to 1 ft (305 mm) |
Scale ratio | 1:64 |
Model gauge | 16.5 mm (0.65 in) |
Prototype gauge | 3 ft 6 in (1,067 mm) |
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Sn3½ is popular in South Africa, Australia (particularly Western Australia,[1] Queensland[2] and Tasmania[3] where narrow gauge systems exist) and New Zealand.[4]
Sn3½ is very rarely or never used for modelling in other countries with 3 foot 6 (1067mm) gauge railways such as Japan, Taiwan, Indonesia etc.