This example shows a tyre width of 3.5 mm for Gauge 0 Fine.
For Scale7 remove more metal from the back of the wheel to give a tyre thickness of 3.2 mm instead of 3.5 mm.
3′ 9″ diam., 10 oval spokes, apparent tread 4″.
Hub 16″ face dia., 1″ out from the tyre.
Casting: 25.3 tread dia., 21.6 i/d., hub 0.6 mm out from the tyre.
Casting prices and stock . NE loco sets, price list
Scan of a casting in a set for a NE 4-2-2 J class.
27 Mar 2013