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″.
6′ 8½″ diam., 22 oval spokes, rectangular inner rim, 4¼″ apparent tread.
Hub 17″ face dia., 3″ out from the tyre, pin between at 13″.
Sources: Swindon drg 96784; Russell vol. 2 p. 154, drg of 7007 'Great Western'; Haresnape, Collett & Hawksworth Locomotives, p. 29, photo of 5073 'Blenheim Castle'
Casting: 181 mm tread dia., 162 mm i/d., hub 6.7 mm out from the tyre, pin at 29.25 mm. Casting weight: 1.440 kg.
Casting prices and stock. Scroll down below the image to see the turning diagram.
21 June 2021