Diagrams Index . Home
7 mm/ft scale
B521, 522
Hull & Barnsley J class/ LNER D24 class 4-4-0 driving wheels.

6′ 6″ diam., 20 oval spokes, apparent tread 4″.
Hub 17″ face dia., 1″ out from the tyre, pin in line at 11″.

Casting: 45,5 tread dia., 40.8 i/d., hub 0.6 mm out from the tyre.

Casting prices and stock . H & B loco sets, price list

Scan of a casting in a set for a H&B 4-4-0 J/LNER D24 class.

Scan of casting B521 Scan of casting B522

Cross section diagram of casting B521
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.


Validated as HTML5

27 Mar 2013