{"id":787,"date":"2007-07-07T17:43:16","date_gmt":"2007-07-07T21:43:16","guid":{"rendered":"https:\/\/mightyrv.com\/wordpress\/?p=787"},"modified":"2012-10-21T17:45:44","modified_gmt":"2012-10-21T21:45:44","slug":"countersinking","status":"publish","type":"post","link":"https:\/\/mightyrv.com\/?p=787","title":{"rendered":"Countersinking"},"content":{"rendered":"<p>I&#8217;ve been avoiding countersinking the skin attach holes on the spars, but I couldn&#8217;t put it off any longer &#8211; I hate drilling\/cutting those things. I reviewed Vans&#8217; instructions on countersinking and found out &#8211; once again &#8211; that their instructions were right. They specify that countersinks which accept dimpled skins should be deep enough so that a test AN426 rivet should sit flush to 0.005&#8243; below the countersunk surface. So, I tweaked up my countersink and did some checking with the depth measurement pin on my calipers just to make sure that everying was set correctly &#8211; then fired away. Here&#8217;s the beautiful finished product&#8230;<\/p>\n<div id=\"attachment_788\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/mightyrv.com\/wordpress\/wp-content\/uploads\/2012\/10\/wing_skin_hole_csink.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-788\" class=\"size-full wp-image-788\" title=\"wing_skin_hole_csink\" src=\"https:\/\/mightyrv.com\/wordpress\/wp-content\/uploads\/2012\/10\/wing_skin_hole_csink.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"https:\/\/mightyrv.com\/wp-content\/uploads\/2012\/10\/wing_skin_hole_csink.jpg 400w, https:\/\/mightyrv.com\/wp-content\/uploads\/2012\/10\/wing_skin_hole_csink-300x225.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-788\" class=\"wp-caption-text\">Spar-to-skin countersinks<\/p><\/div>\n<p>&#8230;and here they are primed. I really don&#8217;t like to prime in the shop, but in this case I had no choice. I cranked down the air pressure and flow volume on my HVLP detail gun and had no problems.<\/p>\n<div id=\"attachment_789\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/mightyrv.com\/wordpress\/wp-content\/uploads\/2012\/10\/wing_skin_csink_primed.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-789\" class=\"size-full wp-image-789\" title=\"wing_skin_csink_primed\" src=\"https:\/\/mightyrv.com\/wordpress\/wp-content\/uploads\/2012\/10\/wing_skin_csink_primed.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"https:\/\/mightyrv.com\/wp-content\/uploads\/2012\/10\/wing_skin_csink_primed.jpg 400w, https:\/\/mightyrv.com\/wp-content\/uploads\/2012\/10\/wing_skin_csink_primed-300x225.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-789\" class=\"wp-caption-text\">Spar-to-skin countersinks primed<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;ve been avoiding countersinking the skin attach holes on the spars, but I couldn&#8217;t put it off any longer &#8211; I hate drilling\/cutting those things. I reviewed Vans&#8217; instructions on countersinking and found out &#8211; once again &#8211; that their &hellip; <a href=\"https:\/\/mightyrv.com\/?p=787\">Continue reading <span class=\"meta-nav\">&rarr;<\/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":[15],"tags":[],"class_list":["post-787","post","type-post","status-publish","format-standard","hentry","category-wings"],"_links":{"self":[{"href":"https:\/\/mightyrv.com\/index.php?rest_route=\/wp\/v2\/posts\/787","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mightyrv.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mightyrv.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mightyrv.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mightyrv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=787"}],"version-history":[{"count":1,"href":"https:\/\/mightyrv.com\/index.php?rest_route=\/wp\/v2\/posts\/787\/revisions"}],"predecessor-version":[{"id":790,"href":"https:\/\/mightyrv.com\/index.php?rest_route=\/wp\/v2\/posts\/787\/revisions\/790"}],"wp:attachment":[{"href":"https:\/\/mightyrv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mightyrv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mightyrv.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}