Suitable for:
the SFMES 13.6 mm, (0.535″) tyre width and 3.2 mm, (0.130″) flange depth.
or the GL5 standard of 12.7 mm, (1/2″) tyre width and 3.97 mm (5/32, 0.156″) flange depth
For 5½″ at this scale use 12.4 mm, 0.487″.
4′ 1½″ diam., 12 oval spokes, apparent tread 3″.
Hub 10½″ face dia, ¾″ out from the tyre.
Casting: 111.4 mm tread dia., 97.9 i/d., 1.7 mm out from the tyre.
Casting prices and stock . GWR loco sets, price list
Scan of a casting in sets for GWR 4-6-0 Castle
7 Oct 2022