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do those letters have a stand size meaning? is there an equivalent like model tank and planes, like 1/32 scale or 1/64 scale.
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Quoted:
Smallest to Largest
TT
Z
N
HO
S
O
G
do those letters have a stand size meaning? is there an equivalent like model tank and planes, like 1/32 scale or 1/64 scale.
Yes.
TT is actually in between N and HO. T is smaller than Z.
T - 1:450
Z - 1:220
N - 1:160
TT - 1:120 (European mainly)
HO - 1:87 (Arfcom's favorite, of course)
OO - 1:76 (Primarily a UK thing)
S - 1:64
O - 1:48 (two-rail O scale trains should all be 1:48 scale, three-rail O gauge / Lionel are historically toys and trains are not necessarily made to any scale...however full-scale 3-rail trains are available and more popular now, and many modelers do choose to build scale-modeler type layouts with full-scale 3-rail trains)
G - A whole bunch of scales all meant to run on one gauge of track. Both narrow gauge and standard gauge models operate on the same gauge of track and thus are NOT built to the same scale as a result. Most narrow gauge are 1:22.5 or 1:24 while most standard gauge are 1:29 or 1:32.
Scales in red are more the niche popularity in the US.