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″.
3′ 9″ diam., 10 rect spokes, rect inner rim, apparent tread 4″.
Hub 12″ face diameter, ¾″ out from the tyre.
Source: drawings in The Engineer, 3 Jan. 1890.
Casting: 101 mm tread dia., 83.2 i/d., hub 1.7 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