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7 mm/ft
B64, B65
LNER 2-6-2 V2 driving wheel.

6′ 2″ diam., 18 oval spokes, inner rim steeply humped, apparent tread 4¾″,
Hub 19½″ face dia., middle boss 12½″dia., middle boss is ¼″ out from the tyre. Pin between at 13″

Source: Green Arrow measured direct at York.

Casting: 43.2 mm tread dia., 37.4 mm i/d., hub middle boss 0.15 mm out from the tyre, pin at 7.6 mm.

Casting prices and stock . LNER loco sets, price list

Scans of castings in sets for LNER Thompson A2/1, 6 wheel tender . Thompson A2/1, 8 wheel tender . P2 . V2

Scan of casting B64   Scan of casting B65

Cross section diagram of castings B64, B65
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