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1:32 scale
BR class 03 Diesel driving wheel.

3′ 7″ diam., 12 oval spokes, rectangular inner rim, apparent tread 3¾″, tyre width 6″.
Hub 12″ face dia., 3/8″ below the tyre, pin in line at 9½″.

Source: No 2184 (Swindon 1962) measured direct at the Colne Valley Railway in 1994.

Casting: 34.1 mm tread dia., 27.6 mm i/d., hub 0.3 mm below the tyre, pin at 7.54 mm.
Tyre width for exact scale modellers at 1:32, 4.8 mm.

Casting prices and stock . BR loco sets, price list

Full sets information and Prototype image

Scan of casting P13

Cross section diagram of casting P13

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27 Mar 2013