{"product_id":"westbury-heinrici-hot-air-engine-stock-code-3375","title":"Westbury Heinrici hot air engine","description":"\u003cp align=\"left\"\u003eA model \"Heinrici\" hot air engine which looks to have  been based on the Edgar  Westbury design written up in \"Model Engineer\". I don't think there  were ever that many built, they are quite a rare find these days and require  good workmanship to run well (or actually to run at all, come to think about it  - hot air engines are not endowed with an abundance of power to overcome tight  spots in the workings).\u003c\/p\u003e  \u003cp align=\"left\"\u003eThis one goes beautifully - we cheated a bit in the workshop and  warmed up the hot end with a small propane torch to get it going, whereupon it  would run next to silently on a tiny amount of heat - \u003ca href=\"http:\/\/www.youtube.com\/watch?v=em7lYJxFaJg\" target=\"_blank\"\u003ethere's  a clip of it running here.\u003c\/a\u003e\u003c\/p\u003e  \u003cp align=\"left\"\u003eHeight 17 1\/2 inches\u003c\/p\u003e  \u003cp align=\"center\"\u003e\u003c\/p\u003e","brand":"Station Road Steam","offers":[{"title":"Default Title","offer_id":54020121821525,"sku":"3375","price":350.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/0094\/2677\/files\/3375-1.webp?v=1779910787","url":"https:\/\/stationroadsteam.com\/products\/westbury-heinrici-hot-air-engine-stock-code-3375","provider":"Station Road Steam","version":"1.0","type":"link"}