3′ 6″diam., 10 rectangular spokes, rectangular inner rim, apparent tread 2″.
Hub 11½″ face dia., pin between at 9″.
Source: side elevation drg.
Castings: 35.0 mm tread dia., 31.7 i/d., hub 0.6 mm out from the tyre, pin at 7.5 mm.
Scan of the castings for a Bristol and Exeter ex Culm Valley Tank with more information.
27 Mar 2013