6′ 2″ diam., 20 oval spokes, vee shaped inner rim, apparent tread 3½″, tyre width 5½″.
Hub 16½″ face dia., level with the tyre, pin between at 14″.
Source: preserved loco. 70013 measured direct at Bressingham.
Casting: 61.7 mm tread dia., 55.5 mm i/d., hub level with the tyre, pin at 11.7 mm.
Scan of castings in a set for a BR Britannia a prototype wheel photo.
27 Mar 2013