4′ 7½″ diam., 14 oval spokes, rectangular inner rim, 3½″ apparent tread.
Hub 15″ face dia., pin between at 10″, hub 2½″ out from the tyre.
Source: No 7754, made by North British Loco Co in 1935, measured direct at Llangollen in February 1995.
Casting: 124.9 mm tread dia., 109.3 i/d., hub 4.2 mm out from the tyre, pin at 22.5 mm.
(= 4.917″ tread dia., 4.303″ i/d., hub 0.165″ out from the tyre, pin at 0.885″).
More information and prototype photo.
The prototype driving wheel weights are surface mounted castings and are not cast in.
For steel weight plates contact Model Engineer's Laser. (2 per wheel).
20 Feb 2020