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1:22.6, Gauge 3
LNWR Crampton 'Courier', driving wheel.

7′ 0″ diam., 24 rectangular spokes, rectangular inner rim.
Hub 13½″ face dia., 2″ out from the tyre, pin in line at 10″.
Sources: drawings by E.W. Twining and by M. Sharman (M. Sharman, The Crampton Locomotive, 1983.)

Casting: 94.4 mm tread dia., 86.4 mm i/d., hub 2.3 mm above the tyre, pin at 11.23 mm.

Suitable for the Gauge 3 Society 2010 minimum tyre width of 6.8 mm, or the earlier standard of 8.0 mm.

Gauge 3 loco set prices . Casting prices and stock

Scan of a casting in a set for a LNWR Crampton 'Courier'

Scan of casting X303

Cross section diagram for casting X303

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9 Apr 2013