Diagrams Index . Home
7 mm/ft scale
B38
L.M.S. Tender wheel, suitable for Black Five, Duchess etc.

4′ 3″ diam., 12 oval spokes, vee inner rim, 4″ apparent tread, 6″ tyre width.
Hub 16″ dia., ½″ out from the tyre.

Source: Duchess of Sutherland measured direct at Bressingham, Oct 1994.

Casting: 29.75 mm tread dia., 25.0 mm i/d., 0.3 mm out from the tyre.

Casting prices and stock . LMS loco sets, price list

Scan of a casting in sets for a LMS 4-6-2 Duchess class, LMS 4-6-0 Jubilee class.

Scan of casting B38

Cross section diagram of casting B38
This example shows a tyre width of 3.5 mm for Gauge 0 Fine.
For Scale7 remove more metal from the back of the wheel to give a tyre thickness of 3.2 mm instead of 3.5 mm.


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27 Mar 2013