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1 1/2″:1 ft, 1:11.29 for 5 inch gauge
V405 (front), V406 (rear)
SER 4-4-0 Class F driving wheels.

7′ 0″ diam., 20 rect spokes, rect inner rim, apparent tread 4″.
Hub 14½″ face diameter, 3 ½″ out from the tyre.

Source: drawings in The Engineer, 3 Jan. 1890.

Casting: 189 mm tread dia., 171 i/d., hub 7.9 mm out from the tyre.

Casting prices and stock . SER loco sets, price list

Scan of a casting in sets for SER 4-4-0 F class

Scan of casting V405 Scan of casting V406

Cross section diagram of castings V405, 406
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″.


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27 Mar 2013