Diagrams Index . Home
1:32 scale
P20
GWR tender wheel.

4′ 1½″ diam., 12 oval spokes, rectangular inner rim, 3″ apparent tread, 6″ tyre width.
Hub 16″ face dia., ¾″ out from the tyre.

Casting: 39.3 mm tread dia., 34.6 i/d, hub 0.6 mm out from the tyre.
Tyre widths for exact scale models at 1:32, 6″ = 4.76 mm.

Casting prices and stock . GWR loco sets, price list

Scans of a casting in a set for GWR 4-6-0 Hawksworth County class

Scan of casting P20

Cross section diagram of casting P20


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27 Mar 2013