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Built by Head Wrightson & Co in the 1870s, this model represents their best-known design – the vertical boiler geared industrial shunter affectionately nicknamed ‘coffee pots’. Used from the Victorian Era up to the 1950s, this specific prototype worked for the Dorking Lime Company and is now preserved at Beamish.
This model originated as a jumbo-ised N Gauge engine, suitably altered to 00 operative tolerances and to fit proprietary parts, enabling simple construction. Due to its size it is unpowered, but can be ‘motorised’ by coupling to a power source such as: https://www.shapeways.com/product/F9H5PPBEC/00-scale-open-truck-motorised
IMPORTANT: while most models available here have been pre-tested and known to work, this scratch-aid has not been printed/tested by myself, so while the measurements appear correct it is considered strictly experimental.
(Note: various materials are provided, however, WSF and BSF will require more preparation for smooth painting that FUD and FED.)
The following additional parts need to be sourced separately to complete (web links given as examples only):
Screw-fit coupling (best to just glue/pin – mounting point included on the tender):
Hornby Spares - Coupling Unit and Screws - A1X Terrier - Pack of 1
Wheels - 11mm diameter driving wheels
3mm diameter axles
(These all appear on the current Alan Gibson catalogue)
22mm Coupling rods (various lengths are available via Alan Gibson which could be adjusted or these can be scratchbuilt to suit)
Optional additional details to add (at the builder's discretion):
Buffers (locating holes provided)
Coal and crew
I hope you enjoy this unusual and eye-catching model.