{"product_id":"1-12-inch-scale-allchin-stock-code-5104","title":"1 1\/2 inch scale Allchin","description":"\u003cp class=\"MsoNormal\"\u003eThe last engine built at the end of a productive model  engineering career, it isn't often we get an engine in with quite the amount  of detailed build history as this one. Starting from the start of the project in  1974, every hour in the workshop was systematically logged, pictures of other  builders' examples\u003cspan style=\"mso-spacerun:yes\"\u003e\u003c\/span\u003etaken, detailed  notes kept on machining setups, \u003ca href=\"build%20photos\/index.htm\" target=\"_blank\"\u003ea  comprehensive photographic log\u003c\/a\u003e maintained until, nearly 1500 hours in the  workshop (and some twelve years later) the job was done.\u003co:p\u003e  \u003c\/o:p\u003e  \u003c\/p\u003e  \u003cp class=\"MsoNormal\"\u003eI think it was time well spent. The engine is beautifully  made, fit and finish of the motion is excellent, it feels silky smooth to turn  over. The boiler was tested when first built and has a twice pressure hydraulic  test from the builder's club. Unsteamed in his lifetime, it has had a fire in  it once, briefly, earlier this year when his son couldn't resist seeing it  ticking over at low pressure on steam before parting with it.\u003co:p\u003e  \u003c\/o:p\u003e  \u003c\/p\u003e  \u003cp class=\"MsoNormal\"\u003eSilver soldered copper boiler, 90 psi working pressure,  feed by mechanical pump with bypass and injector. Twin Ramsbottom safety valves.  Single cylinder with slide valve actuated by Stephenson's gear with pole  reverser. Mechanical lubricator, Pickering governor. The engine has two road  speed with differential, there is a winch fitted behind the nearside rear wheel.\u003co:p\u003e  \u003c\/o:p\u003e  \u003c\/p\u003e  \u003cp class=\"MsoNormal\"\u003eThe engine comes complete with wooden stand and Perspex  cover under which it has spent its entire life to date. \u003cspan style=\"mso-spacerun:yes\"\u003e\u003c\/span\u003eIf  intended for regular use in future, it will need a little light commissioning,  there are various leaky unions to fittings and the injector remains an unknown  quantity.\u003co:p\u003e  \u003c\/o:p\u003e  \u003c\/p\u003e  \u003cp class=\"MsoNormal\"\u003eComplete with the above-mentioned folder of documentations  (its about three inches thick), Hughes' book on building the Allchin and a  complete set of drawings.\u003co:p\u003e\u003c\/o:p\u003e  \u003c\/p\u003e    \u003cp\u003e\u003c\/p\u003e\u003ccenter\u003e\u003c\/center\u003e","brand":"Station Road Steam","offers":[{"title":"Default Title","offer_id":54020230447445,"sku":"5104","price":3650.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/0094\/2677\/files\/5104-1.webp?v=1779912091","url":"https:\/\/stationroadsteam.com\/products\/1-12-inch-scale-allchin-stock-code-5104","provider":"Station Road Steam","version":"1.0","type":"link"}