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1:22.6, Gauge 3
LNWR Cramptons 'Courier' and 'Liverpool', carrying wheels.

4′ 0″ diam., 12 rectangular spokes,very low inner rim. The tyre does not overlap the wheel center.
Hub 14″ face dia., 1⅜″ out from the tyre.

Sources: drawings by E.W. Twining and by M. Sharman (M. Sharman, The Crampton Locomotive, 1983.)

Casting: 53.9 mm tread dia., 46.4 mm i/d., hub 1.7 mm above the tyre.

Note: the inner faces of the tyres were level with the outer surface of the wheel centres - without any overlap on the front, and so without any step down to the internal diameter of the wheel.

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 sets for LNWR Cramptons 'Liverpool', 'Courier'

Scan of casting X290

Cross section diagram for casting X290

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9 Apr 2013