{"id":6675,"date":"2020-04-07T11:31:33","date_gmt":"2020-04-07T09:31:33","guid":{"rendered":"http:\/\/www.verticallimits.nl\/?p=6675"},"modified":"2020-04-23T10:41:06","modified_gmt":"2020-04-23T08:41:06","slug":"giga-iv-nose-cone-construction","status":"publish","type":"post","link":"https:\/\/www.verticallimits.nl\/?p=6675","title":{"rendered":"GIGA IV \u2013 Nose cone construction"},"content":{"rendered":"ngg_shortcode_0_placeholder\n<p>Lessons learned:<\/p>\n<ul>\n<li>Don&#8217;t take this route again using the M10 threaded section as a basis for concentricity. If going to machine on lathe, start with concentric mold before laminating \/ machining. Don&#8217;t rely on staightness&nbsp; M10 threaded section which can get close but slightly off straight M10 threaded section will result in a significant wobble in the middle when put in the lathe. Machine mold in lathe prior to lay-up. Don&#8217;t use central threaded section as this is not concentric. At half length this will show in eccentricity.<\/li>\n<li>With gore pattern, no overlap on both sides (curls into each other). &lt;1\/2 diameter.<\/li>\n<li>Use long GF tow to compress GF lay-up especially near tip.<\/li>\n<li>Check usage of weefsel improves at tip over the stiff keeperweefsel.<\/li>\n<li>Sand coat: 4ml &#8211; base \/ 2ml &#8211; harder \/ 0,5gr glass bubbles (1 teaspoon) \/ 0,18gr aerosil (1\/2 a teaspoon).<\/li>\n<li>Laminating &#8211; 2,5hr nett.<\/li>\n<\/ul>\n<p>Kitty hair:<br \/>\n4\/2g = 6gr epoxy. 1 flat teaspoon chopped fibers.<\/p>\n<p>Sand coat:&nbsp;<br \/>\n20\/10 = 30gr epoxy. 5 teaspoons glass bubbles, 1 tea spoon aerosil. Thickness of paint. Doesn&#8217;t wet out fully but 90% OK.<\/p>\n<p>12 gores:<br \/>\nEpoxy use: 6x 60gr epoxy batches = 360gr epoxy in total. 5x 60gr batches for 12 gores and 1x 60gr for cylindrical cloth piece.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Lessons learned: Don&#8217;t take this route again using the M10 threaded section as a basis for concentricity. If going to machine on lathe, start with concentric mold before laminating \/ machining. Don&#8217;t rely on staightness&nbsp; M10 threaded section which can get close but slightly off straight M10 threaded section will result in a significant<\/p>\n<p><a href=\"https:\/\/www.verticallimits.nl\/?p=6675\" class=\"more-link themebutton\">Read More<\/a><\/p>\n","protected":false},"author":5,"featured_media":6701,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[24],"tags":[69],"_links":{"self":[{"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/posts\/6675"}],"collection":[{"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6675"}],"version-history":[{"count":5,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/posts\/6675\/revisions"}],"predecessor-version":[{"id":6705,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/posts\/6675\/revisions\/6705"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/media\/6701"}],"wp:attachment":[{"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}