(Later series built 1938-42 with larger hubs and the spoke gaps filled in each side of the pin.)
4′ 7½″ diam., 14 oval spokes, rectangular inner rim, apparent tread 4¼″.
Hub central boss face dia. 18″, 1½″ out from the tyre, pin in line at 15″.
Source: No 2818 measured direct at NRM in 2001 and published photographs.
Casting: 46.3 mm tread dia., 39.2 mm i/d., hub 1.5 mm out from the tyre, pin at 12.5 mm.
Scan of a casting in a set for a GWR 2-8-0 28xx
27 Mar 2013