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1:32 scale
GWR 4-4-0 Bulldog driving wheel.

5′ 8″ diam., 18 oval spokes, rectangular inner rim, 4¼″ apparent tread.
Hub 16″ face dia., 2″ out from the tyre.

Casting: 54.0 mm tread dia., i/d 47.5 mm., hub 1.6 mm out from the tyre.

Casting prices and stock . GWR loco sets, price list

Scan of a casting in a set for a GWR 4-4-0 Bulldog

Scan of casting P150

Cross section diagram of casting P150

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27 Mar 2013