{"id":3205,"date":"2021-06-19T03:30:33","date_gmt":"2021-06-19T03:30:33","guid":{"rendered":"http:\/\/rcpress.com\/wp\/?p=3205"},"modified":"2021-07-17T09:53:23","modified_gmt":"2021-07-17T09:53:23","slug":"structural-weakness-of-the-hotshot-rear-upper-swing-arm","status":"publish","type":"post","link":"https:\/\/rcpress.com\/wp\/?p=3205","title":{"rendered":"Structural weakness of the Hotshot rear upper swing arm"},"content":{"rendered":"<p>These photos show the inherent structural weakness of the Hotshot rear upper swing arm. The point that connects to the rear shock is very weak. Sadly there isn&#8217;t much you can do about such structure. You may, however, find STL files that are ready to print as replacement.<\/p>\n<p><a href=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_075530.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3206\" src=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_075530-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_075530-1024x768.jpg 1024w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_075530-300x225.jpg 300w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_075530-768x576.jpg 768w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_075530-1246x935.jpg 1246w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_075530-675x506.jpg 675w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_075530-480x360.jpg 480w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_075530.jpg 1373w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/tttIMG_20210619_075613.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3209\" src=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/tttIMG_20210619_075613-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/tttIMG_20210619_075613-1024x768.jpg 1024w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/tttIMG_20210619_075613-300x225.jpg 300w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/tttIMG_20210619_075613-768x576.jpg 768w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/tttIMG_20210619_075613-1246x935.jpg 1246w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/tttIMG_20210619_075613-675x506.jpg 675w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/tttIMG_20210619_075613-480x360.jpg 480w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/tttIMG_20210619_075613.jpg 1373w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_073348.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3211\" src=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_073348-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_073348-1024x768.jpg 1024w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_073348-300x225.jpg 300w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_073348-768x576.jpg 768w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_073348-1246x935.jpg 1246w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_073348-675x506.jpg 675w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_073348-480x360.jpg 480w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_073348.jpg 1373w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>But even with 3d print, you need to use 100% fill. The design of this suspension system is imposing downward pressure to the arm all the time. Very uneasy for the arm!<\/p>\n<p><a href=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_145729.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3217\" src=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_145729-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_145729-1024x768.jpg 1024w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_145729-300x225.jpg 300w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_145729-768x576.jpg 768w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_145729-1246x935.jpg 1246w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_145729-675x506.jpg 675w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_145729-480x360.jpg 480w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210619_145729.jpg 1373w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>With 3d printed mounts and reinforcement, it is possible to come up with a better suspension structure for the car (the original damper remains in there for cosmetic purpose only).<\/p>\n<p><a href=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210717_164624.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3244\" src=\"http:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210717_164624-768x1024.jpg\" alt=\"\" width=\"768\" height=\"1024\" srcset=\"https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210717_164624-768x1025.jpg 768w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210717_164624-225x300.jpg 225w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210717_164624-675x900.jpg 675w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210717_164624-480x640.jpg 480w, https:\/\/rcpress.com\/wp\/wp-content\/uploads\/2021\/06\/IMG_20210717_164624.jpg 907w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/bBoNYamjdxU\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>These photos show the inherent structural weakness of the Hotshot rear upper swing arm. The point that connects to the rear shock is very weak. Sadly there isn&#8217;t much you can do about such structure. You may, however, find STL files that are ready to print as replacement. But even with 3d print, you need [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3209,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[123,85],"tags":[],"_links":{"self":[{"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3205"}],"collection":[{"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3205"}],"version-history":[{"count":6,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3205\/revisions"}],"predecessor-version":[{"id":3245,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3205\/revisions\/3245"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=\/wp\/v2\/media\/3209"}],"wp:attachment":[{"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rcpress.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}