{"id":4313,"date":"2021-05-16T09:30:04","date_gmt":"2021-05-16T09:30:04","guid":{"rendered":"http:\/\/jasonbeaver.com\/rv7\/?p=4313"},"modified":"2021-05-20T06:49:35","modified_gmt":"2021-05-20T06:49:35","slug":"replaced-pitch-servo-shear-screw","status":"publish","type":"post","link":"http:\/\/jasonbeaver.com\/rv7\/2021\/05\/16\/replaced-pitch-servo-shear-screw\/","title":{"rendered":"Replaced Pitch Servo Shear Screw"},"content":{"rendered":"<p>Sometime in the last couple of weeks, I noticed that the pitch servo wasn&#8217;t controlling the plane. I did some ground diagnosis and determined that the shear screw had sheared or some reason. I don&#8217;t recall any forces that would have caused this, so I can&#8217;t say why it happened. Dynon sent out a shear screw replacement kit a few days ago and I stopped by the airport this morning to install it and put the plane back together.<\/p>\n<p>It&#8217;s amazing that this tiny cross section of brass is critical to the autopilot being able to control the aircraft.<\/p>\n<p><a href=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0911-scaled.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-4311\" src=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0911-1024x768.jpeg\" alt=\"\" width=\"938\" height=\"704\" srcset=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0911-1024x768.jpeg 1024w, http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0911-300x225.jpeg 300w, http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0911-150x113.jpeg 150w, http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0911-768x576.jpeg 768w, http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0911-1536x1152.jpeg 1536w, http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0911-2048x1536.jpeg 2048w\" sizes=\"auto, (max-width: 938px) 100vw, 938px\" \/><\/a><\/p>\n<p>I reassembled the control arm and tested the autopilot servo. Everything worked as expected, so I reinstalled the interior and updated the logbook.<\/p>\n<p><a href=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0912-scaled.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-4312\" src=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0912-768x1024.jpeg\" alt=\"\" width=\"768\" height=\"1024\" srcset=\"http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0912-768x1024.jpeg 768w, http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0912-225x300.jpeg 225w, http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0912-113x150.jpeg 113w, http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0912-1152x1536.jpeg 1152w, http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0912-1536x2048.jpeg 1536w, http:\/\/jasonbeaver.com\/rv7\/wp-content\/uploads\/2021\/05\/IMG_0912-scaled.jpeg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sometime in the last couple of weeks, I noticed that the pitch servo wasn&#8217;t controlling the plane. I did some ground diagnosis and determined that the shear screw had sheared or some reason. I don&#8217;t recall any forces that would have caused this, so I can&#8217;t say why it happened. Dynon sent out a shear &hellip; <a href=\"http:\/\/jasonbeaver.com\/rv7\/2021\/05\/16\/replaced-pitch-servo-shear-screw\/\" 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":[8,12],"tags":[],"class_list":["post-4313","post","type-post","status-publish","format-standard","hentry","category-avionics","category-maintenance"],"_links":{"self":[{"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/posts\/4313","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=4313"}],"version-history":[{"count":1,"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/posts\/4313\/revisions"}],"predecessor-version":[{"id":4314,"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/posts\/4313\/revisions\/4314"}],"wp:attachment":[{"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/media?parent=4313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/categories?post=4313"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/jasonbeaver.com\/rv7\/wp-json\/wp\/v2\/tags?post=4313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}