{"id":1919,"date":"2012-10-08T15:40:18","date_gmt":"2012-10-08T20:40:18","guid":{"rendered":"http:\/\/www.rpwoodwork.com\/blog\/?p=1919"},"modified":"2013-04-19T23:01:38","modified_gmt":"2013-04-20T04:01:38","slug":"dowel-joinery-looking-inside-part-3","status":"publish","type":"post","link":"https:\/\/www.rpwoodwork.com\/blog\/2012\/10\/08\/dowel-joinery-looking-inside-part-3\/","title":{"rendered":"Dowel joinery &#8211; looking inside, part 3"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1921\" title=\"IMG_0784_edited-2\" src=\"https:\/\/www.rpwoodwork.com\/blog\/wp-content\/uploads\/2012\/10\/IMG_0784_edited-2.jpg\" alt=\"\" width=\"510\" height=\"438\" \/><\/p>\n<p lang=\"en-US\" align=\"JUSTIFY\"><span style=\"color: #000000;\"><span style=\"font-family: Arial, sans-serif;\"><span style=\"font-size: small;\">Finally, let&#8217;s look at the most doubtful part of the joint which is the <strong>adherence of the round dowel surface to the end grain portion of the hole. <\/strong><\/span><\/span><\/span><\/p>\n<p lang=\"en-US\" align=\"JUSTIFY\"><span style=\"font-size: small; font-family: Arial, sans-serif;\">This time, 5\/16&#8243; diameter Laurier dowels were inserted 3\/4&#8243; into holes drilled with a brad point bit in mahogany to again <strong>mimic the face grain side of the dowel joint.<\/strong> After drying, some of the samples were cut with an orientation to to primarily examine <strong>adhesion to the end grain portion of the hole &#8211; see the three pieces on the left in the photo below.<\/strong> The two pieces on the right are oriented to primarily examine adhesion to the side grain portion of the hole.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1922\" title=\"IMG_0785_edited-2\" src=\"https:\/\/www.rpwoodwork.com\/blog\/wp-content\/uploads\/2012\/10\/IMG_0785_edited-2.jpg\" alt=\"\" width=\"510\" height=\"334\" \/><\/p>\n<p><span style=\"font-size: small; font-family: Arial, sans-serif;\">The dowels were smacked as described in the <a href=\"https:\/\/www.rpwoodwork.com\/blog\/2012\/09\/24\/dowel-joinery-looking-inside-part-1\/\" target=\"_blank\">first post<\/a>. The results shown are typical of several trials and they look good &#8211; <strong>the dowels adhere well to the end grain part of the hole,<\/strong> as seen in the <strong>first two photos below<\/strong>. For comparison, the <strong>next two photos<\/strong> show side grain and, from a separate trial, long grain adhesion.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1923\" title=\"end grain adhesion\" src=\"https:\/\/www.rpwoodwork.com\/blog\/wp-content\/uploads\/2012\/10\/IMG_0792_edited-2.jpg\" alt=\"\" width=\"510\" height=\"529\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1924\" title=\"end grain adhesion\" src=\"https:\/\/www.rpwoodwork.com\/blog\/wp-content\/uploads\/2012\/10\/IMG_0795_edited-2.jpg\" alt=\"\" width=\"510\" height=\"476\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1925\" title=\"side grain adhesion\" src=\"https:\/\/www.rpwoodwork.com\/blog\/wp-content\/uploads\/2012\/10\/IMG_0793_edited-2.jpg\" alt=\"\" width=\"510\" height=\"484\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1926\" title=\"long grain\" src=\"https:\/\/www.rpwoodwork.com\/blog\/wp-content\/uploads\/2012\/10\/IMG_0800_edited-2.jpg\" alt=\"\" width=\"510\" height=\"458\" \/><\/p>\n<p><span style=\"font-size: small; font-family: Arial, sans-serif;\">This methodology is <strong>far from perfect<\/strong>. What is really demonstrated in many of the samples, essentially, is that the half joints are stronger than the half dowels. It does, nonetheless, give some sense of <strong>what is going on<\/strong> inside those holes with dowels glued into them. While not a joint strength test and certainly not scientific, this <strong>gives some insight into the behavior of the components of dowel joinery.<\/strong><\/span><\/p>\n<p lang=\"en-US\" align=\"JUSTIFY\"><span style=\"font-family: Arial, sans-serif; font-size: small;\">All in all, I am not surprised that in the test of <\/span><strong style=\"font-family: Arial, sans-serif; font-size: small;\">the real world<\/strong><span style=\"font-family: Arial, sans-serif; font-size: small;\">, the dowel joinery in my cabinets has held up well.\u00a0<\/span><span style=\"font-family: Arial, sans-serif; font-size: small;\">Furthermore, these little experiments will help me <strong>proceed more knowledgeably building future projects, <\/strong>and I hope they will help you with <strong>your work.<\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Finally, let&#8217;s look at the most doubtful part of the joint which is the adherence of the round dowel surface to the end grain portion of the hole. This time, 5\/16&#8243; diameter Laurier dowels were inserted 3\/4&#8243; into holes drilled with a brad point bit in mahogany to again mimic the face grain side of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[13],"class_list":["post-1919","post","type-post","status-publish","format-standard","hentry","category-techniques","tag-dowel-joinery-looking-inside-series"],"_links":{"self":[{"href":"https:\/\/www.rpwoodwork.com\/blog\/wp-json\/wp\/v2\/posts\/1919","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rpwoodwork.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rpwoodwork.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rpwoodwork.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rpwoodwork.com\/blog\/wp-json\/wp\/v2\/comments?post=1919"}],"version-history":[{"count":9,"href":"https:\/\/www.rpwoodwork.com\/blog\/wp-json\/wp\/v2\/posts\/1919\/revisions"}],"predecessor-version":[{"id":2261,"href":"https:\/\/www.rpwoodwork.com\/blog\/wp-json\/wp\/v2\/posts\/1919\/revisions\/2261"}],"wp:attachment":[{"href":"https:\/\/www.rpwoodwork.com\/blog\/wp-json\/wp\/v2\/media?parent=1919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rpwoodwork.com\/blog\/wp-json\/wp\/v2\/categories?post=1919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rpwoodwork.com\/blog\/wp-json\/wp\/v2\/tags?post=1919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}