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.
5′ 8″ diam., 18 oval spokes, rectangular inner rim, apparent tread 3¾″.
Hub 20″ face dia., ½″ below the tyre, with a slightly raised centre (which is level with the face of the tyre), pin between at 13″.
Source: works drg.
Castings: 39.7 mm tread dia., 35.3 mm i/d., hub 0.3 mm below the tyre, pin at 7.6 mm.
Casting prices and stock . GNR loco sets, price list
Scan of the castings in a set for a GN Gresley 2-6-0 H2 No 1630 and in other H2 and H3 locos.
27 Mar 2013