{"id":1238,"date":"2010-11-13T13:21:15","date_gmt":"2010-11-13T18:21:15","guid":{"rendered":"https:\/\/mightyrv.com\/wordpress\/?p=1238"},"modified":"2013-03-31T16:58:56","modified_gmt":"2013-03-31T20:58:56","slug":"match-drill-the-j-channels-to-the-fuselage","status":"publish","type":"post","link":"https:\/\/mightyrv.com\/?p=1238","title":{"rendered":"Match-drill the J-channels to the fuselage"},"content":{"rendered":"<p>The next step is to match-drill the J-channels to the fuselage. But before that, the F-779\/711\/712 assembly must be clecoed in place, and that was a little challenging trying to maneuver the J-channels into place and get bulkhead holes lined up with the skin. As of now, the fit is close enough to get clecoes in all the holes. I can live with that, even if the fit isn&#8217;t 100 percent perfect.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/mightyrv.com\/wordpress\/wp-content\/uploads\/2012\/10\/fuse_pre_matchdrill.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1239 aligncenter\" title=\"fuse_pre_matchdrill\" alt=\"Aft fuselage before match-drilling\" src=\"https:\/\/mightyrv.com\/wordpress\/wp-content\/uploads\/2012\/10\/fuse_pre_matchdrill.jpg\" width=\"650\" height=\"488\" srcset=\"https:\/\/mightyrv.com\/wp-content\/uploads\/2012\/10\/fuse_pre_matchdrill.jpg 650w, https:\/\/mightyrv.com\/wp-content\/uploads\/2012\/10\/fuse_pre_matchdrill-300x225.jpg 300w, https:\/\/mightyrv.com\/wp-content\/uploads\/2012\/10\/fuse_pre_matchdrill-399x300.jpg 399w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/a><\/p>\n<p>The last step before match-drilling the J-channels is to make sure there&#8217;s no twist in the structure. I cut some shims out of oak and taped them in place on the sawhorses; I also taped the sawhorses themselves in place on the floor to prevent shifting. With the shims in place, I was able to get the whole assembly level&#8230;very cool<\/p>\n<p>Forward measurement&#8230;<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/mightyrv.com\/wordpress\/wp-content\/uploads\/2012\/10\/fuse_tc_front_level.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1240 aligncenter\" title=\"fuse_tc_front_level\" alt=\"Forward tailcone leveled for matchdrilling\" src=\"https:\/\/mightyrv.com\/wordpress\/wp-content\/uploads\/2012\/10\/fuse_tc_front_level.jpg\" width=\"375\" height=\"500\" srcset=\"https:\/\/mightyrv.com\/wp-content\/uploads\/2012\/10\/fuse_tc_front_level.jpg 375w, https:\/\/mightyrv.com\/wp-content\/uploads\/2012\/10\/fuse_tc_front_level-225x300.jpg 225w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/><\/a><\/p>\n<p>&#8230;and aft measurement.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/mightyrv.com\/wordpress\/wp-content\/uploads\/2012\/10\/fuse_tc_aft_level.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1241 aligncenter\" title=\"fuse_tc_aft_level\" alt=\"Aft tailcone leveled for matchdrilling\" src=\"https:\/\/mightyrv.com\/wordpress\/wp-content\/uploads\/2012\/10\/fuse_tc_aft_level.jpg\" width=\"375\" height=\"500\" srcset=\"https:\/\/mightyrv.com\/wp-content\/uploads\/2012\/10\/fuse_tc_aft_level.jpg 375w, https:\/\/mightyrv.com\/wp-content\/uploads\/2012\/10\/fuse_tc_aft_level-225x300.jpg 225w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/><\/a><\/p>\n<p>While continuing to check the fuselage for twist, Ellen and I drilled the J-channels to the fuselage. I needed a spare pair of hands to keep the J-channel in place, and Ellen helped. Fortunately I didn&#8217;t drill any holes in her fingers.<\/p>\n<p>I still have a little more work to do before drilling the J-channels to the F-775 skin, I&#8217;m going to have to work slowly to take out some remaining bend from the F-775.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The next step is to match-drill the J-channels to the fuselage. But before that, the F-779\/711\/712 assembly must be clecoed in place, and that was a little challenging trying to maneuver the J-channels into place and get bulkhead holes lined &hellip; <a href=\"https:\/\/mightyrv.com\/?p=1238\">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":[7],"tags":[],"class_list":["post-1238","post","type-post","status-publish","format-standard","hentry","category-fuselage"],"_links":{"self":[{"href":"https:\/\/mightyrv.com\/index.php?rest_route=\/wp\/v2\/posts\/1238","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=1238"}],"version-history":[{"count":2,"href":"https:\/\/mightyrv.com\/index.php?rest_route=\/wp\/v2\/posts\/1238\/revisions"}],"predecessor-version":[{"id":1988,"href":"https:\/\/mightyrv.com\/index.php?rest_route=\/wp\/v2\/posts\/1238\/revisions\/1988"}],"wp:attachment":[{"href":"https:\/\/mightyrv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mightyrv.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mightyrv.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}