Diagrams Index . Home
1 1/2″:1 ft, 1:11.29 for 5 inch gauge
V71
BR 4-6-2 Britannia driving wheel.

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: 166.5 mm tread dia., 152 mm i/d., hub level with the tyre, pin at 31.5 mm. Weight 1125 gr.

Casting prices and stock . 5 inch gauge loco sets, price list

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).

Scan of casting V71

Cross section diagram of casting V71
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″.


Validated as HTML5

21 June 2021