{"id":268,"date":"2022-07-23T11:21:00","date_gmt":"2022-07-23T10:21:00","guid":{"rendered":"https:\/\/www.jcross.co.uk\/projects\/?p=268"},"modified":"2022-10-21T11:22:15","modified_gmt":"2022-10-21T10:22:15","slug":"3dd-printed-cooler","status":"publish","type":"post","link":"https:\/\/www.jcross.co.uk\/projects\/?p=268","title":{"rendered":"3dD printed Cooler"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"577\" height=\"1024\" src=\"https:\/\/www.jcross.co.uk\/projects\/wp-content\/uploads\/2022\/10\/image-6-577x1024.png\" alt=\"\" class=\"wp-image-269\" srcset=\"https:\/\/www.jcross.co.uk\/projects\/wp-content\/uploads\/2022\/10\/image-6-577x1024.png 577w, https:\/\/www.jcross.co.uk\/projects\/wp-content\/uploads\/2022\/10\/image-6-169x300.png 169w, https:\/\/www.jcross.co.uk\/projects\/wp-content\/uploads\/2022\/10\/image-6.png 586w\" sizes=\"auto, (max-width: 577px) 85vw, 577px\" \/><figcaption>Extra Cooling<\/figcaption><\/figure>\n\n\n\n<p>Not one of my crazy projects &#8211; looks like this aircraft needed some extra cooling so the owner has taken to creating an air pump at the root of the propeller.  Normally there isn&#8217;t much going on there so seems reasonable.<\/p>\n\n\n\n<p><strong>What could possibly go wrong?<\/strong><\/p>\n\n\n\n<p>The print layering is weakest between layers so you could find it separates. At a maximum of 3000rpm thats probably unlikely but I would be checking it carefully for cracks and would have liked to have seen a lamination with the layering going 90 degrees.<\/p>\n\n\n\n<p>If the blade does become detached, it could find its way directly into the intake entirely blocking it.  That would be enough to overheat that engine and bring down that aircraft.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Not one of my crazy projects &#8211; looks like this aircraft needed some extra cooling so the owner has taken to creating an air pump at the root of the propeller. Normally there isn&#8217;t much going on there so seems reasonable. What could possibly go wrong? The print layering is weakest between layers so you &hellip; <a href=\"https:\/\/www.jcross.co.uk\/projects\/?p=268\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;3dD printed Cooler&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,17],"tags":[27],"class_list":["post-268","post","type-post","status-publish","format-standard","hentry","category-3d-prints","category-aviation","tag-water-cooling"],"_links":{"self":[{"href":"https:\/\/www.jcross.co.uk\/projects\/index.php?rest_route=\/wp\/v2\/posts\/268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcross.co.uk\/projects\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jcross.co.uk\/projects\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jcross.co.uk\/projects\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jcross.co.uk\/projects\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=268"}],"version-history":[{"count":1,"href":"https:\/\/www.jcross.co.uk\/projects\/index.php?rest_route=\/wp\/v2\/posts\/268\/revisions"}],"predecessor-version":[{"id":270,"href":"https:\/\/www.jcross.co.uk\/projects\/index.php?rest_route=\/wp\/v2\/posts\/268\/revisions\/270"}],"wp:attachment":[{"href":"https:\/\/www.jcross.co.uk\/projects\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jcross.co.uk\/projects\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jcross.co.uk\/projects\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}