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1:32 scale
Freelance driving wheel.
Based on P246, but modified for greater crank throw.

5′ 0″ diam., 16 rectangular spokes, rectangular inner rim, 4″ apparent tread.
Hub 3¼″ out from the tyre, pin in line at 12″.

Casting: 47.6 mm tread dia., i/d 41.2 mm, hub 2.6 mm out from the tyre. Pin at 9.5 mm.

Note: the sides of the hub are quite steep so it is also suitable for facing lower, such as at 0.8 mm out from the tyre.

Casting prices and stock

Scan of casting P246s

Cross section diagram of casting P246s

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27 Mar 2013