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7 mm/ft
LNER bogie wheel.

3′ 2″ diam., 10 oval spokes, apparent tread 4¾″, tyre thickness 5⅜″.
Hub, 12½″ face dia., ¾″ out from the tyre.

Sources: No 4472 measured direct at Llangollen in Feb. 1995.
O.S. Noch, British Locomotives of the 20th Century, vol 1: page 218. Detailed works drawing.

Casting: 22.2 mm tread dia., 16.5 mm i/d., hub 0.4 mm out from the tyre.

Casting prices and stock . LNER loco sets, price list

Scan of a casting in sets for LNER Thompson A2/1, 6 wheel tender . Thompson A2/1, 8 wheel tender . P2 . V2

Scan of casting B41

Cross section diagram of casting B41
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