{"id":1111,"date":"2009-11-30T17:18:13","date_gmt":"2009-11-30T17:18:13","guid":{"rendered":""},"modified":"2017-12-04T04:21:14","modified_gmt":"2017-12-04T04:21:14","slug":"started-longerons","status":"publish","type":"post","link":"http:\/\/jasonbeaver.com\/rv7\/2009\/11\/30\/started-longerons\/","title":{"rendered":"Started Longerons"},"content":{"rendered":"<p>I started working on the longerons tonight. \u00a0First up is to cut them to length. \u00a0This is a critical cut because replacing these 15&#8242; long angles would be very expensive (both in material cost and in shipping). \u00a0These need to be cut to precisely 173 7\/16&#8243;. \u00a0Since the ends of tape measures can have some slop in them, a trick to get more precise measurements is to position the tape measure at the 1&#8243; mark. \u00a0You do have to be sure to add 1&#8243; to your measurement to account for this though.<\/p>\n<p><center><a href=\"http:\/\/www.jasonbeaver.com\/rv7\/rv7pictures\/Originals\/20091130\/CIMG0800.jpg\"><img decoding=\"async\" src=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2017\/11\/CIMG0800.jpg\" \/><\/a><\/center>These suckers are long. \u00a0They barely fit across my garage widthwise because of the stuff I have lining both walls.<\/p>\n<p><center><a href=\"http:\/\/www.jasonbeaver.com\/rv7\/rv7pictures\/Originals\/20091130\/CIMG0801.jpg\"><img decoding=\"async\" src=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2017\/11\/CIMG0801.jpg\" \/><\/a><\/center>I used my cutoff saw to cut these about 1\/8&#8243; long and then filed them to the correct length.<\/p>\n<p><center><a href=\"http:\/\/www.jasonbeaver.com\/rv7\/rv7pictures\/Originals\/20091130\/CIMG0802.jpg\"><img decoding=\"async\" src=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2017\/11\/CIMG0802.jpg\" \/><\/a><\/center>The aft ends of the longerons need some material removed. \u00a0I misread the plans at first that called for a 1\/8&#8243; radius and drilled a 1\/8&#8243; hole (1\/16&#8243; radius). \u00a0I fortunately had drilled the hole far enough away from the lines that I could file the radius to be 1\/8&#8243; and still not cross the lines (though it doesn&#8217;t look like it from this picture because of the burr around the hole).<\/p>\n<p><center><a href=\"http:\/\/www.jasonbeaver.com\/rv7\/rv7pictures\/Originals\/20091130\/CIMG0803.jpg\"><img decoding=\"async\" src=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2017\/11\/CIMG0803.jpg\" \/><\/a><\/center>Here are both ends cut and polished.<\/p>\n<p><center><a href=\"http:\/\/www.jasonbeaver.com\/rv7\/rv7pictures\/Originals\/20091130\/CIMG0805.jpg\"><img decoding=\"async\" src=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2017\/11\/CIMG0805.jpg\" \/><\/a><\/center>Next up is to lay out for the bends. \u00a0These lines define the forward end of the F-721 side rails and the point at which the longerons bend downward to meet up with the firewall.<\/p>\n<p><center><a href=\"http:\/\/www.jasonbeaver.com\/rv7\/rv7pictures\/Originals\/20091130\/CIMG0806.jpg\"><img decoding=\"async\" src=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2017\/11\/CIMG0806.jpg\" \/><\/a><\/center>The longerons are straight for the next 10+ inches or so, then curve inward to define the shape of the fuselage.<\/p>\n<p><center><a href=\"http:\/\/www.jasonbeaver.com\/rv7\/rv7pictures\/Originals\/20091130\/CIMG0807.jpg\"><img decoding=\"async\" src=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2017\/11\/CIMG0807.jpg\" \/><\/a><\/center>I placed marks every inch or so to help with the alignment during bending.<\/p>\n<p><center><a href=\"http:\/\/www.jasonbeaver.com\/rv7\/rv7pictures\/Originals\/20091130\/CIMG0808.jpg\"><img decoding=\"async\" src=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2017\/11\/CIMG0808.jpg\" \/><\/a><\/center>This is the rear end of the curve. \u00a0The longerons are straight from this point back to the tail. \u00a0It&#8217;s nearly midnight, so I&#8217;ll get started on the bending tomorrow.<\/p>\n<p><center><a href=\"http:\/\/www.jasonbeaver.com\/rv7\/rv7pictures\/Originals\/20091130\/CIMG0809.jpg\"><img decoding=\"async\" src=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2017\/11\/CIMG0809.jpg\" \/><\/a><\/center><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I started working on the longerons tonight. \u00a0First up is to cut them to length. \u00a0This is a critical cut because replacing these 15&#8242; long angles would be very expensive (both in material cost and in shipping). \u00a0These need to be cut to precisely 173 7\/16&#8243;. \u00a0Since the ends of tape measures can have some &hellip; <a href=\"http:\/\/jasonbeaver.com\/rv7\/2009\/11\/30\/started-longerons\/\" class=\"excerpt-link\">Read More<\/a><\/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":[],"class_list":["post-1111","post","type-post","status-publish","format-standard","hentry","category-fuselage"],"_links":{"self":[{"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/posts\/1111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/comments?post=1111"}],"version-history":[{"count":4,"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/posts\/1111\/revisions"}],"predecessor-version":[{"id":2759,"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/posts\/1111\/revisions\/2759"}],"wp:attachment":[{"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/media?parent=1111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/categories?post=1111"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/tags?post=1111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}