{"product_id":"stirling-helicopter-model","title":"Stirling Helicopter Model","description":"\u003cp data-start=\"30\" data-end=\"403\"\u003eExperience the perfect blend of \u003cstrong data-start=\"62\" data-end=\"92\"\u003eengineering and creativity\u003c\/strong\u003e with the \u003cstrong data-start=\"102\" data-end=\"131\"\u003eStirling Helicopter Model\u003c\/strong\u003e. Inspired by the classic Stirling engine, this unique model transforms heat energy into mechanical motion—powering a miniature helicopter system with spinning components and intricate gear movement. It’s not just a model, but a dynamic demonstration of physics in action.\u003c\/p\u003e\n\u003cp data-start=\"405\" data-end=\"819\"\u003eBuilt with \u003cstrong data-start=\"416\" data-end=\"442\"\u003ehigh-quality materials\u003c\/strong\u003e and precision craftsmanship, the model features a robust structure made from \u003cstrong data-start=\"520\" data-end=\"543\"\u003e6061 aluminum alloy\u003c\/strong\u003e, combined with \u003cstrong data-start=\"559\" data-end=\"587\"\u003ebrass gears and flywheel\u003c\/strong\u003e for smooth and stable operation. The \u003cstrong data-start=\"625\" data-end=\"681\"\u003estainless steel heating cylinder and connecting rods\u003c\/strong\u003e ensure durability under high temperatures, while the \u003cstrong data-start=\"735\" data-end=\"766\"\u003ewear-resistant glass piston\u003c\/strong\u003e provides long-lasting, maintenance-free performance.\u003c\/p\u003e\n\u003cp data-start=\"821\" data-end=\"1129\"\u003eAs the engine runs, you can watch the coordinated movement of \u003cstrong data-start=\"883\" data-end=\"917\"\u003egears, flywheel, and propeller\u003c\/strong\u003e, creating a visually captivating mechanical display. With multiple precision bearings and detailed components, this model offers both a rewarding hands-on experience and an impressive finished piece for display.\u003c\/p\u003e\n\u003ch3 data-start=\"1131\" data-end=\"1157\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1159\" data-end=\"1268\"\u003e\n\u003cli data-start=\"1159\" data-end=\"1199\"\u003e\n\u003cp data-start=\"1161\" data-end=\"1199\"\u003e\u003cstrong data-start=\"1161\" data-end=\"1178\"\u003eProduct Size:\u003c\/strong\u003e 250 × 135 × 140 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1200\" data-end=\"1225\"\u003e\n\u003cp data-start=\"1202\" data-end=\"1225\"\u003e\u003cstrong data-start=\"1202\" data-end=\"1217\"\u003eNet Weight:\u003c\/strong\u003e 400 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1226\" data-end=\"1268\"\u003e\n\u003cp data-start=\"1228\" data-end=\"1268\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1260\"\u003eGross Weight (with package):\u003c\/strong\u003e 550 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1270\" data-end=\"1296\"\u003eMaterials \u0026amp; Components\u003c\/h3\u003e\n\u003cul data-start=\"1298\" data-end=\"1793\"\u003e\n\u003cli data-start=\"1298\" data-end=\"1340\"\u003e\n\u003cp data-start=\"1300\" data-end=\"1340\"\u003e\u003cstrong data-start=\"1300\" data-end=\"1318\"\u003eBody Material:\u003c\/strong\u003e 6061 Aluminum Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1341\" data-end=\"1369\"\u003e\n\u003cp data-start=\"1343\" data-end=\"1369\"\u003e\u003cstrong data-start=\"1343\" data-end=\"1361\"\u003eGear Material:\u003c\/strong\u003e Brass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1370\" data-end=\"1422\"\u003e\n\u003cp data-start=\"1372\" data-end=\"1422\"\u003e\u003cstrong data-start=\"1372\" data-end=\"1394\"\u003eFlywheel Material:\u003c\/strong\u003e Brass (Diameter: 29.5 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1423\" data-end=\"1494\"\u003e\n\u003cp data-start=\"1425\" data-end=\"1494\"\u003e\u003cstrong data-start=\"1425\" data-end=\"1446\"\u003eHeating Cylinder:\u003c\/strong\u003e 304 Stainless Steel (Outer Diameter: 11.4 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1495\" data-end=\"1547\"\u003e\n\u003cp data-start=\"1497\" data-end=\"1547\"\u003e\u003cstrong data-start=\"1497\" data-end=\"1525\"\u003ePiston \u0026amp; Connecting Rod:\u003c\/strong\u003e 304 Stainless Steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1548\" data-end=\"1627\"\u003e\n\u003cp data-start=\"1550\" data-end=\"1627\"\u003e\u003cstrong data-start=\"1550\" data-end=\"1570\"\u003ePiston Material:\u003c\/strong\u003e Maintenance-free Wear-resistant Glass (Diameter: 9 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1628\" data-end=\"1673\"\u003e\n\u003cp data-start=\"1630\" data-end=\"1673\"\u003e\u003cstrong data-start=\"1630\" data-end=\"1651\"\u003eCylinder Housing:\u003c\/strong\u003e 6061 Aluminum Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1674\" data-end=\"1712\"\u003e\n\u003cp data-start=\"1676\" data-end=\"1712\"\u003e\u003cstrong data-start=\"1676\" data-end=\"1690\"\u003ePropeller:\u003c\/strong\u003e 6061 Aluminum Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1713\" data-end=\"1742\"\u003e\n\u003cp data-start=\"1715\" data-end=\"1742\"\u003e\u003cstrong data-start=\"1715\" data-end=\"1735\"\u003ePulley Diameter:\u003c\/strong\u003e 8 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1743\" data-end=\"1793\"\u003e\n\u003cp data-start=\"1745\" data-end=\"1793\"\u003e\u003cstrong data-start=\"1745\" data-end=\"1771\"\u003eAlcohol Lamp Material:\u003c\/strong\u003e 6061 Aluminum Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1795\" data-end=\"1817\"\u003eMechanical Details\u003c\/h3\u003e\n\u003cul data-start=\"1819\" data-end=\"1948\"\u003e\n\u003cli data-start=\"1819\" data-end=\"1853\"\u003e\n\u003cp data-start=\"1821\" data-end=\"1853\"\u003e\u003cstrong data-start=\"1821\" data-end=\"1844\"\u003ePrecision Bearings:\u003c\/strong\u003e 10 pcs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1854\" data-end=\"1880\"\u003e\n\u003cp data-start=\"1856\" data-end=\"1880\"\u003e\u003cstrong data-start=\"1856\" data-end=\"1872\"\u003eBevel Gears:\u003c\/strong\u003e 4 pcs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1881\" data-end=\"1906\"\u003e\n\u003cp data-start=\"1883\" data-end=\"1906\"\u003e\u003cstrong data-start=\"1883\" data-end=\"1898\"\u003eSpur Gears:\u003c\/strong\u003e 2 pcs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1907\" data-end=\"1948\"\u003e\n\u003cp data-start=\"1909\" data-end=\"1948\"\u003e\u003cstrong data-start=\"1909\" data-end=\"1939\"\u003eScrews \u0026amp; Set Screws (304):\u003c\/strong\u003e 44 pcs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1950\" data-end=\"1962\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"1964\" data-end=\"2303\"\u003e\n\u003cli data-start=\"1964\" data-end=\"2043\"\u003e\n\u003cp data-start=\"1966\" data-end=\"2043\"\u003e\u003cstrong data-start=\"1966\" data-end=\"2000\"\u003eWorking Stirling Engine System\u003c\/strong\u003e – Converts heat into motion in real time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2044\" data-end=\"2133\"\u003e\n\u003cp data-start=\"2046\" data-end=\"2133\"\u003e\u003cstrong data-start=\"2046\" data-end=\"2076\"\u003eHelicopter-Inspired Design\u003c\/strong\u003e – Adds dynamic visual movement with rotating propeller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2134\" data-end=\"2207\"\u003e\n\u003cp data-start=\"2136\" data-end=\"2207\"\u003e\u003cstrong data-start=\"2136\" data-end=\"2157\"\u003ePremium Materials\u003c\/strong\u003e – Durable, precise, and built for long-term use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2208\" data-end=\"2303\"\u003e\n\u003cp data-start=\"2210\" data-end=\"2303\"\u003e\u003cstrong data-start=\"2210\" data-end=\"2241\"\u003eEducational \u0026amp; Display Value\u003c\/strong\u003e – Perfect for learning and showcasing mechanical principles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"surplusfun","offers":[{"title":"Default Title","offer_id":48753855365272,"sku":null,"price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/2987\/6376\/files\/WechatIMG1964.jpg?v=1774062933","url":"https:\/\/surplusfun.com\/products\/stirling-helicopter-model","provider":"surplusfun","version":"1.0","type":"link"}