{"product_id":"stirling-engine-160-width-87-height-100mm-weight-450-grams","title":"Classic Stirling Engine — Hot Air Heat Engine Demo","description":"\u003cp\u003eWatch the laws of thermodynamics come to life. The \u003cstrong\u003eClassic Stirling Engine — Hot Air Heat Engine\u003c\/strong\u003e is a working heat engine: provide a temperature differential between the hot and cold ends, and the flywheel turns. No electricity. No batteries. Just the elegant physics of the Stirling cycle — heat converted to mechanical work as Stirling envisioned in 1816.\u003c\/p\u003e\u003cp\u003eThe Stirling cycle approaches the theoretical Carnot efficiency limit — the maximum possible efficiency for any heat engine operating between two temperatures. Watching the flywheel spin from nothing but a warm cup of water underneath is one of the most satisfying demonstrations in classical thermodynamics.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStirling Engine Model\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eFulfilled via CJ Dropshipping. Ships worldwide in 7–20 business days.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":55048797782308,"sku":"GPP-CJ-07062272","price":49.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/e448695c-fe91-4649-8390-7e9b1533aad5.jpg?v=1781664378","url":"https:\/\/shop.goldenphysics.org\/products\/stirling-engine-160-width-87-height-100mm-weight-450-grams","provider":"Golden Physics Project","version":"1.0","type":"link"}