Diagrams Index . Home
7 mm/ft
LNER pony wheel.

3′ 8″ 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: 25.7 mm tread dia., 20.1 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 an LNER Thompson A2/1, 6 wheel tender
Thompson A2/1, 8 wheel tender . P2 . V2.

Scan of casting B42

Cross section diagram of casting B42
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