3′ 3½″, 10 oval spokes, vee inner rim, apparent tread 3½″.
Hub 16″ face dia., 5/8″ out from the tyre.
Source: works drg.
Casting: 32.9 mm tread dia., 26.0 mm i/d., hub 0.4 mm out from the tyre.
Casting prices and stock .
BR loco sets, price list
Scan of a casting in a set for a BR Britannia,
27 Mar 2013