{"product_id":"4-12-inch-scale-simplicity-roller-stock-code-4370","title":"4 1\/2 inch scale Simplicity roller","description":"\u003cp class=\"MsoNormal\"\u003eMore often seen in the 3 inch size, this is a 4 1\/2 inch  scale Wallis \u0026amp; Steevens \"Simplicity\" roller. The full-size engine  was a compact machine, only weighing three tons. Of the nineteen or so built,  six survived into preservation.\u003c\/p\u003e  \u003cp class=\"MsoNormal\"\u003eSilver soldered copper boiler, working pressure 90psi, feed  by mechanical pump with auxiliary hand pump on manstand. Twin safety valves,  water gauge with protector and blowdown. Boiler blowdown valve beneath belly  tanks. Single cylinder with slide valve actuated by Stephenson's valve gear with  pole reverser in cab. Single road speed engaged by pin on the right hand  hornplate, as per prototype.\u003c\/p\u003e  \u003cp class=\"MsoNormal\"\u003eIn 4 1\/2 inch scale the Simplicity makes an attractive size  engine for rallying. It is big and heavy enough to pull a decent load, whilst  it's simple design makes for an easy-to-maintain engine. By removing the chimney  and canopy, it will fit into the back of an estate car.\u003c\/p\u003e  \u003cp class=\"MsoNormal\"\u003eLength 55 inches\u003cbr\u003e  Height 38 inches to top of chimney\u003cbr\u003e  Width 24 inches across rear rolls\u003cbr\u003e  Weight 500 pounds\u003c\/p\u003e  \u003cp align=\"center\"\u003e\u003c\/p\u003e","brand":"Station Road Steam","offers":[{"title":"Default Title","offer_id":54019106603349,"sku":"4370","price":6430.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/0094\/2677\/files\/4370-1.webp?v=1779901910","url":"https:\/\/stationroadsteam.com\/products\/4-12-inch-scale-simplicity-roller-stock-code-4370","provider":"Station Road Steam","version":"1.0","type":"link"}