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′ 0″ diam., 9 oval spokes, vee inner rim, apparent tread 3½″.
Hub 12″ face dia., 1½″ out from the tyre
Sources: 4MT measured direct and BR Derby bogie arrangement works drawing.
Note: This is a 'dished' wheel with the spokes sloping outwards from the rim to the hub. Modellers may chose to machine a flat back or they can recess the back of the hub to allow for a wider bearing. In the drawing this would be about 1½″, or 3.3 mm at this scale.
Casting: 81.0 mm tread dia., 65.2 i/d., hub 3.4 mm above the tyre.
5 inch gauge loco set prices . Casting prices and stock
Scan of a casting in a set for BR 4-6-2 Britannia
27 Mar 2013