{"product_id":"air-stirling-engine-motor-model-educational-steam-power-physics-teaching-tool-g","title":"Air Stirling Engine Motor Model Educational Steam Power Physics Teaching Tool G","description":"\u003c!--M_96613636#s0-2--\u003e\n\n \n  \u003c!--M_96613636^s0-2-11 s0-2 11--\u003e\n  \u003cdiv data-marko-key=\"@container s0-2-11\" class=\"x-item-description-child\" data-testid=\"x-item-description-child\"\u003e\n   \u003c!--tongtool-relatedCssStart--\u003e\n   \u003clink href=\"https:\/\/img1.tongtool.com\/s\/75AltwshAl5ylshAlkZhslz5jzz5ylshAlkZhslz_ulD6jzzl.css?v=1760009362558\" rel=\"stylesheet\" type=\"text\/css\"\u003e\n   \u003c!--tongtool-relatedCssEnd--\u003e\n   \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e \n   \u003clink href=\"https:\/\/img2.tongtool.com\/s\/static\/bootstrap\/bootstrap.min.css\" rel=\"stylesheet\"\u003e \n   \u003cstyle type=\"text\/css\"\u003e\n    html{height:100%;font-size:24px}\n.widget p{word-break:break-word;}\n    td{word-wrap:break-word !important;word-break: break-word !important;}\np{word-wrap:break-word !important;word-break: break-word !important;} .content p span{ text-wrap:inherit !important;word-wrap:break-word !important;}\nbody{word-wrap:break-word;padding:0;margin:0;z-index:1;width:100%;background: #F3F3F3;color:#444;}\n    ul, ol, dl {list-style:none;margin:0;padding:0;}\n    \n    img{border:none;}\n    a {outline:0;text-decoration:none !important}\n    .crb{clear:both;}\n\n    .header{background: #fff;border-bottom:solid 2px #00A99D;padding:.25rem 0;}\n    .logo img{max-height:80px;max-width:280px;}\n    .center_container{margin:15px 0}\n    \/* --------------   images STYLE --------------  *\/\n    .bigPic{margin:0 auto;width:100%;text-align: center;}\n    .bigPic ul{display: inline-block;width:100%;}\n    .bigPic li{display: inline-block;border:solid 1px #555;margin:0 .5rem .5rem 0;width:100%;}\n    .bigPic li div{text-align:center;width:100%;}\n    .bigPic li img{max-width:100%;}\n    \/* --------------   description STYLE --------------  *\/\n    .box{padding:0;margin-top:.5rem;clear:both;}\n    .titlebar{color:#fff;height:1.6rem;line-height:1.5rem;padding:0 .6rem;font-size:.83rem;font-weight:bold;position:relative;border-bottom:solid 2px #00A99D;}\n    .titlebar span{background:#F3F3F3;color:#00A99D;position:absolute;top:.75rem;left:0;padding: 0 .25rem;}\n    .content{word-wrap:break-word;padding:1rem .25rem .25rem .25rem;font-size:0.6rem;clear:both;}\n    \/* --------------   footer STYLE --------------  *\/\n    .footer{padding:.8rem 0 1rem 0;background:#003C37;}\n    .footer .copyright{text-align:center;font-size:.8em;color:#fff;}\n    \/* --------------   fix mobile STYLE --------------  *\/\n    @media screen and (max-width: 960px){\n        html{font-size: 12px}\n        .container{padding:0}\n        .titlebar{font-size:1rem;}\n        .content{word-wrap:break-word;font-size:1rem;}\n        .bigPic li{width:98%;margin:.25rem 0 0 0;}\n\t\t.specialRelate .tongtool-related ul li{width:50%!important;border:0;}\n\t\t.specialRelate .tongtool-related ul li:hover{border:0;}\n    }\n    \n    .clear{font-size:0; 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background:url(https:\/\/img1.tongtool.com\/v\/template\/img\/tag-off.gif) no-repeat; position:absolute; top:-3px;left:2px; z-index:99; text-align:center; color:#fff; font-size:0.875em; }\n\t.tongtool-tag-off span{display:inline-block; margin-top:5px; line-height:15px;}\n\t\n\u003c\/style\u003e \n   \u003cdiv class=\"header 0\"\u003e \n    \u003cdiv class=\"container\"\u003e \n    \u003c\/div\u003e \n   \u003c\/div\u003e \n   \u003cdiv class=\"container\"\u003e \n    \u003cdiv class=\"center_container\"\u003e \n     \u003cdiv class=\"box\"\u003e \n      \u003cdiv class=\"titlebar\"\u003e\n       \u003cspan\u003eProduct Description\u003c\/span\u003e\n      \u003c\/div\u003e \n      \u003cdiv class=\"content\"\u003e \n       \u003cdiv\u003e\n        \u003cspan\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003eName: Stirling Engine Model\u003cbr\u003eModel: 479857\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cbr\u003eColor: silver\u003cbr\u003eMaterials: brushed aluminum alloy+stainless steel+thickened glass\u003cbr\u003eSize: about 155*130*80mm\u003cbr\u003eFlywheel Diameter: about 60mm\u003cbr\u003eTransmission Wheel Diameter: about 25mm\u003cbr\u003ePower Cylinder Bore: about 12.5mm\u003cbr\u003ePiston Stroke: about 13mm\u003cbr\u003eGenerating Voltage: 3-5v\u003cbr\u003eSuitable Age: 8 years old and above\u003cbr\u003eExperiment Type: physical\u003cbr\u003eThis is an external combustion engine in which the fuel is burned continuously, and the piston is moved by the expansion of air (or helium or hydrogen) as a medium, and the expansion gas is cooled in the cold chamber, and the cycle is repeated. Only a small alcohol lamp, you can make it fast rotation and generate strong power.\u003cbr\u003eAs the external combustion engine, it avoid the explosion risk when traditional internal combustion engine working, in order to achieve a high efficiency, low noise, low pollution and low operating costs.\u003cbr\u003eThe biggest advantage of the external combustion engine is that the output and efficiency are not influenced by altitude, very suitable for high altitude areas.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eInstructions:\u003c\/b\u003e\u003cbr\u003ePut the engine model on the horizontal position, toggle the flywheel to see if it is smooth, if there is a strong sense of raw astringent, check the connection rod, whether the cylinder has oil and dust, and if so, please use toilet paper to erase. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.\u003cbr\u003eThe packing bag of alcohol lamp cotton wear into the metal cap lamp.\u003cbr\u003ePlease go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.\u003cbr\u003eAlcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 2 minutes after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.\u003cbr\u003eLed lights can be directly into the generator output interface, if not inserted, the exchange can be positive and negative, led a long foot for the cathode.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSafe End Procedure:\u003c\/b\u003e\u003cbr\u003eAfter use, allow the engine to cool naturally.\u003cbr\u003eAfter the engine cools naturally, keep the engine out of the reach of small children.\u003cbr\u003eChildren in adults under the care of the use of the engine, so as not to burn or break accidentally broken bar injury.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eNote:\u003c\/b\u003e\u003cbr\u003eDo not touch the baked test tube and the metal connected to it, so as not to burn.\u003cbr\u003eLong time light alcohol lamp, alcohol lamp can not easily touch, so as not to burn.\u003cbr\u003eSuitable for more than 8 years of age, 8 years of age need to operate under the guardianship of parents.\u003cbr\u003eWhen heating, do not touch the tube of alcohol lamp tube, wick combustion will produce moisture, if touched, may lead to tube cracking.\u003cbr\u003eBoth ends of the connecting rod joint activities need to add regular oil lubrication, the piston can not refuel, otherwise it will not work the resistance.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e1 x Stirling Engine Model\u003cbr\u003e1 x Alcohol Lamp\u003cbr\u003e1 x Standby Test Tube\u003cbr\u003e1 x Conveyor Belt\u003c\/span\u003e\n       \u003c\/div\u003e\n       \u003cbr\u003e \n      \u003c\/div\u003e \n     \u003c\/div\u003e \n     \u003cdiv class=\"box\"\u003e \n      \u003cdiv class=\"titlebar\"\u003e\n       \u003cspan\u003eShipping\u003c\/span\u003e\n      \u003c\/div\u003e \n      \u003cdiv class=\"content\"\u003e \n       \u003cp style=\"margin: 5px 0px 16px; text-align: left;\"\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(0, 0, 6); font-size: 13px;\"\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e1. Items sent from US warehouse.\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n       \u003cp style=\"margin: 5px 0px 16px; text-align: left;\"\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(0, 0, 6); font-size: 13px;\"\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e2.Receiving time = Processing time + Shipping time\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(0, 0, 6); font-size: 13px;\"\u003e.\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(0, 0, 6); font-size: 13px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(0, 0, 6); font-size: 13px;\"\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e3. Processing Time: Around 1-2 business Days\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(0, 0, 6); font-size: 13px;\"\u003e.\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(0, 0, 6); font-size: 13px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(0, 0, 6); font-size: 13px;\"\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e4. Shipping Time:\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(0, 0, 6); font-size: 13px;\"\u003e 3-5 business day.\u003cbr\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n       \u003cp style=\"margin: 5px 0px; text-align: left;\"\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(0, 0, 6); font-size: 13px;\"\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eit may have a little delay during some holiday (such as Christmas), any problem, please feel free to contact.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \n       \u003cdiv class=\"crb\"\u003e\u003c\/div\u003e \n      \u003c\/div\u003e \n     \u003c\/div\u003e \n     \u003cdiv class=\"box\"\u003e \n      \u003cdiv class=\"titlebar\"\u003e\n       \u003cspan\u003eReturns\u003c\/span\u003e\n      \u003c\/div\u003e \n      \u003cdiv class=\"content\"\u003e \n       \u003cp style='margin: 0px 0px 10px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; box-sizing: border-box; font-family: \"Helvetica Neue\", Helvetica, Arial, sans-serif; font-size: 14.4px; color: rgb(54, 54, 54);'\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(54, 54, 54); font-size: 13px;\"\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e1.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(51, 122, 183); font-size: 13px;\"\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e 30 days warranty\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(54, 54, 54); font-size: 13px;\"\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e from the purchased date. Please contact us via email before returning the defective item.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n       \u003cp style=\"margin: 0px 0px 8px; color: rgb(0, 0, 0); font-family: sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(54, 54, 54); font-size: 13px;\"\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e2. Our warranty does not extended to any product that are physically damaged or that are not under normal operating conditions as result of misuse or improper installation on the buyer\/user's part.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n       \u003cp style=\"margin: 0px 0px 8px; color: rgb(0, 0, 0); font-family: sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(54, 54, 54); font-size: 13px;\"\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e3. Return items should include the original packaging and all accessories. buyers MUST contact us for the returning address.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n       \u003cp style=\"margin: 0px 0px 8px; color: rgb(0, 0, 0); font-family: sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cspan style=\"font-family: 微软雅黑; color: rgb(54, 54, 54); font-size: 13px;\"\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e4. In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements. Refund will be made upon receipt of the returned item.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n       \u003cbr class=\"Apple-interchange-newline\"\u003e\n       \u003cbr\u003e \n       \u003cdiv class=\"crb\"\u003e\u003c\/div\u003e \n      \u003c\/div\u003e \n     \u003c\/div\u003e \n     \u003cdiv class=\"box\"\u003e \n      \u003cdiv class=\"titlebar\"\u003e\n       \u003cspan\u003eContact Us\u003c\/span\u003e\n      \u003c\/div\u003e \n      \u003cdiv class=\"content\"\u003e \n       \u003cp style=\"margin: 5px 0px; color: rgb(0, 0, 0); font-family: sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cspan style=\"color: rgb(54, 54, 54); 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