{"product_id":"sphinx-star-wheel-engine-stock-code-3793","title":"Sphinx star wheel engine","description":"\u003cp align=\"left\"\u003eA \"Sphinx\" star wheel engine built using the Alyn  Foundry castings and design. The original contraption was conceived to  circumvent Otto's 2:1 reduction cam gear, the star wheel alternately hits  and misses the exhaust valve, inlet is atmospheric. Fascinating to watch  working, although you're left with the impression that Otto got it right in the  first place.\u003c\/p\u003e  \u003cp align=\"left\"\u003eBase 26 x 8 inches\u003cbr\u003e  Flywheel 9 inch diameter\u003cbr\u003e  Weight 53 pounds\u003c\/p\u003e  \u003cp align=\"center\"\u003e\u003c\/p\u003e","brand":"Station Road Steam","offers":[{"title":"Default Title","offer_id":54020026532181,"sku":"3793","price":950.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/0094\/2677\/files\/3793-1.webp?v=1779909797","url":"https:\/\/stationroadsteam.com\/products\/sphinx-star-wheel-engine-stock-code-3793","provider":"Station Road Steam","version":"1.0","type":"link"}