{"id":17123,"date":"2015-03-20T00:00:00","date_gmt":"2015-03-20T00:00:00","guid":{"rendered":"https:\/\/stem-toys.gr?product=thermo-fan"},"modified":"2022-04-15T09:35:55","modified_gmt":"2022-04-15T09:35:55","slug":"thermo-fan","status":"publish","type":"product","link":"https:\/\/stem-toys.gr\/en\/product\/thermo-fan\/","title":{"rendered":"Thermo-Fan"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>Thermo-Fan<\/p>\n<p>[vc_row][vc_column][vc_column_text]<\/p>\n<p>A technical model to show the practical use of bimetal strip. Principle: when a 4.5 battery is connected to the model a current flows through the green bulb and Bi-metal strip to complete circuit 1. When the tea light, under the Bi-metal strip is lit, it heats it up and bends it in the opposite direction, breaking circuit 1 and connecting circuit 2 (parallel switching). The current then flows through the red light to the fan, causing it to switch it on and cool the Bi-metal strip down again. This switches it back to circuit 1 again. Complete pack. See the following video: <a class=\"mfp-iframe lightbox-added\" href=\"http:\/\/www.youtube.com\/watch?v=kzza4SXqI9A\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.youtube.com\/watch?v=kzza4SXqI9A<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_video link=&#8221;https:\/\/www.youtube.com\/watch?v=kzza4SXqI9A&#8221;][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Thermo-Fan [vc_row][vc_column][vc_column_text] A technical model to show the practical use of bimetal strip. Principle: when a 4.5 battery is connected<\/p>\n","protected":false},"featured_media":34279,"template":"","meta":[],"product_brand":[],"product_cat":[177],"product_tag":[273],"class_list":{"0":"post-17123","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-wood-constructions","7":"product_tag-8-en","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Thermo-Fan - STEM - toys<\/title>\n<meta name=\"description\" content=\"Thermo-Fan. 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