{"id":825,"date":"2017-09-01T14:44:19","date_gmt":"2017-09-01T04:44:19","guid":{"rendered":"http:\/\/leederville.net\/rocket\/?p=825"},"modified":"2017-09-02T07:39:57","modified_gmt":"2017-09-01T21:39:57","slug":"external-fillets-for-the-rocket","status":"publish","type":"post","link":"https:\/\/leederville.net\/rocket\/index.php\/2017\/09\/01\/external-fillets-for-the-rocket\/","title":{"rendered":"External Fillets for the Rocket"},"content":{"rendered":"<h3>Preparation<\/h3>\n<p>Preparation is key to the success. I\u00a0made sure we sanded the areas to be filleted with Grit 60 Sand paper, that they were then cleaned with Methylated spirits and then taped up.<\/p>\n<figure id=\"attachment_827\" aria-describedby=\"caption-attachment-827\" style=\"width: 300px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3552-e1503924069644.jpg\"><img loading=\"lazy\" class=\"size-medium wp-image-827\" src=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3552-e1503924069644-300x225.jpg\" alt=\"Sanding with Grit 60 Sand paper.\" width=\"300\" height=\"225\" srcset=\"https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3552-e1503924069644-300x225.jpg 300w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3552-e1503924069644-768x576.jpg 768w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3552-e1503924069644-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-827\" class=\"wp-caption-text\">Sanding with Grit 60 Sand paper.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_828\" aria-describedby=\"caption-attachment-828\" style=\"width: 300px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3551.jpg\"><img loading=\"lazy\" class=\"size-medium wp-image-828\" src=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3551-300x225.jpg\" alt=\"Finished sanding - ready for cleaning.\" width=\"300\" height=\"225\" srcset=\"https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3551-300x225.jpg 300w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3551-768x576.jpg 768w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3551-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-828\" class=\"wp-caption-text\">Finished sanding &#8211; ready for cleaning.<\/figcaption><\/figure>\n<p>All practice external filleting I had done so far had neglected the ends; it was more focused on the the main stretch. The width of the fillets needs to converge to zero at both ends of the fin on the air-frame. I did a simple plot y = 2x^2 \u00a0on my printer and printed it out and used it to create masking tape pieces to stick at the fin ends. What resulted looks as follows:-<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_841\" aria-describedby=\"caption-attachment-841\" style=\"width: 300px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3575.jpg\"><img loading=\"lazy\" class=\"size-medium wp-image-841\" src=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3575-300x225.jpg\" alt=\"Pointing to the curved masking tape end. This should ensure a consistently shaped fin fillet.\" width=\"300\" height=\"225\" srcset=\"https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3575-300x225.jpg 300w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3575-768x576.jpg 768w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3575-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-841\" class=\"wp-caption-text\">Pointing to the curved masking tape end. This should ensure a consistently shaped fin fillet.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_788\" aria-describedby=\"caption-attachment-788\" style=\"width: 300px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3506.jpg\"><img loading=\"lazy\" class=\"size-medium wp-image-788\" src=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3506-300x225.jpg\" alt=\"Rocket all taped up, ready for filleting.\" width=\"300\" height=\"225\" srcset=\"https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3506-300x225.jpg 300w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3506-768x576.jpg 768w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3506-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-788\" class=\"wp-caption-text\">Rocket all taped up, ready for filleting.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<h3>The Glue<\/h3>\n<p>We made a normal &#8216;peanut&#8217; consistency batch of Epoxy. We decided to use the new syringes as the old ones are too sticky and hard to push.<\/p>\n<p>We originally made 20ml\/4ml of epoxy for one one side of fins (lower and upper fins). We found that there was probably about 6ml of epoxy left over &#8211; so wastage. In future Epoxy runs, we&#8217;ll make it up using 15ml\/3ml of 105\/206.<\/p>\n<figure id=\"attachment_842\" aria-describedby=\"caption-attachment-842\" style=\"width: 300px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3576.jpg\"><img loading=\"lazy\" class=\"size-medium wp-image-842\" src=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3576-300x225.jpg\" alt=\"Epoxy in new syringe, already to go.\" width=\"300\" height=\"225\" srcset=\"https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3576-300x225.jpg 300w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3576-768x576.jpg 768w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3576-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-842\" class=\"wp-caption-text\">Epoxy in new syringe, already to go.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<h3>The result<\/h3>\n<p><a href=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3578.jpg\"><img loading=\"lazy\" class=\"size-medium wp-image-844\" src=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3578-300x225.jpg\" alt=\"Back fin.\" width=\"300\" height=\"225\" srcset=\"https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3578-300x225.jpg 300w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3578-768x576.jpg 768w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3578-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Back fin.<\/p>\n<figure id=\"attachment_843\" aria-describedby=\"caption-attachment-843\" style=\"width: 300px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3577.jpg\"><img loading=\"lazy\" class=\"size-medium wp-image-843\" src=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3577-300x225.jpg\" alt=\"Front Fin\" width=\"300\" height=\"225\" srcset=\"https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3577-300x225.jpg 300w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3577-768x576.jpg 768w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/08\/IMG_3577-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-843\" class=\"wp-caption-text\">Front Fin<\/figcaption><\/figure>\n<figure id=\"attachment_849\" aria-describedby=\"caption-attachment-849\" style=\"width: 300px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/09\/IMG_3594-e1504301885363.jpg\"><img loading=\"lazy\" class=\"size-medium wp-image-849\" src=\"http:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/09\/IMG_3594-e1504301885363-300x300.jpg\" alt=\"View from back of both fillets.\" width=\"300\" height=\"300\" srcset=\"https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/09\/IMG_3594-e1504301885363-300x300.jpg 300w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/09\/IMG_3594-e1504301885363-150x150.jpg 150w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/09\/IMG_3594-e1504301885363-768x768.jpg 768w, https:\/\/leederville.net\/rocket\/wp-content\/uploads\/2017\/09\/IMG_3594-e1504301885363-1024x1024.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-849\" class=\"wp-caption-text\">View from back of both fillets.<\/figcaption><\/figure>\n<p>Fairly happy with it. I am going to need to build up the back\/front of fins to ensure smooth transition. Not quite as good as I had hoped there.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Preparation Preparation is key to the success. I\u00a0made sure we sanded the areas to be filleted with Grit 60 Sand paper, that they were then cleaned with Methylated spirits and then taped up. &nbsp; All practice external filleting I had done so far had neglected the ends; it was more focused on the the main &hellip; <a href=\"https:\/\/leederville.net\/rocket\/index.php\/2017\/09\/01\/external-fillets-for-the-rocket\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">External Fillets for the Rocket<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[9,5,15],"tags":[],"_links":{"self":[{"href":"https:\/\/leederville.net\/rocket\/index.php\/wp-json\/wp\/v2\/posts\/825"}],"collection":[{"href":"https:\/\/leederville.net\/rocket\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/leederville.net\/rocket\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/leederville.net\/rocket\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/leederville.net\/rocket\/index.php\/wp-json\/wp\/v2\/comments?post=825"}],"version-history":[{"count":6,"href":"https:\/\/leederville.net\/rocket\/index.php\/wp-json\/wp\/v2\/posts\/825\/revisions"}],"predecessor-version":[{"id":852,"href":"https:\/\/leederville.net\/rocket\/index.php\/wp-json\/wp\/v2\/posts\/825\/revisions\/852"}],"wp:attachment":[{"href":"https:\/\/leederville.net\/rocket\/index.php\/wp-json\/wp\/v2\/media?parent=825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/leederville.net\/rocket\/index.php\/wp-json\/wp\/v2\/categories?post=825"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/leederville.net\/rocket\/index.php\/wp-json\/wp\/v2\/tags?post=825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}