Diagrams Index . Home
7 mm/ft scale
B491
NE bogie wheel.

3′ 0″ diam., 10 rectangular spokes, rectangular inner rim, apparent tread 4″.
Hub 11″ face dia., 1½″ out from the wheel.

Casting: 21.0 tread dia., 16.2 i/d., hub 0.9 mm out from the tyre.

Casting prices and stock . NE loco sets, price list

Scan of a casting in a set for NE 0-4-4T BTP/LNER G6.

Scan of casting B491

Cross section diagram of casting B491
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