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1:32 scale
MR Spinner driving wheels.

7′ 9″ diam., 24 oval spokes, rectangular inner rim, apparent tread, 3″.
Hub 21¾″ face dia., 2¼″ out from the tyre.

Casting: 73.8 mm tread dia., 69.1 mm i/d, hub 1.8 mm out from the tyre.

Casting prices and stock . MR loco sets, price list

Scan of a casting in a set for a MR Johnson 4-2-2 115 class

Scan of casting P168

Cross section diagram of casting P168

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27 Mar 2013