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′ 1″ diam., 8 rectangular spokes, rectangular inner rim, apparent tread 4½″.
Hub 12½″ face dia., 1½″ out from the tyre.
Casting: 21.6 mm tread dia., 16.3 i/d., hub 0.9 mm out from the tyre.
Casting prices and stock . GER loco sets, price list
Links to scans of castings in sets for GER GER 4-4-0 T19R/LNER D13, GER 0-4-4T S44/LNER G4
27 Mar 2013