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″.
7′ 0″ diam., 20 rect spokes, rect inner rim, apparent tread 4″.
Hub 14½″ face diameter, 3 ½″ out from the tyre.
Source: drawings in The Engineer, 3 Jan. 1890.
Casting: 189 mm tread dia., 171 i/d., hub 7.9 mm out from the tyre.
Casting prices and stock . SER loco sets, price list
Scan of a casting in sets for SER 4-4-0 F class
27 Mar 2013