{"id":9717,"date":"2009-11-26T02:00:00","date_gmt":"2009-11-26T07:00:00","guid":{"rendered":"https:\/\/setsail.com\/isolating-exhaust-noise\/"},"modified":"2009-11-26T02:00:00","modified_gmt":"2009-11-26T07:00:00","slug":"isolating-exhaust-noise","status":"publish","type":"post","link":"https:\/\/setsail.com\/isolating-exhaust-noise\/","title":{"rendered":"Isolating Exhaust Noise"},"content":{"rendered":"<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" height=\"384\" alt=\"FPB-64-Exhaust-Isolation-100\" src=\"https:\/\/setsail.com\/wp-content\/uploads\/2009\/11\/fpb-64-exhaust-isolation-100-1.jpg\" width=\"576\" \/><\/p>\n<p>A large percentage of the propulsion noise on most engines comes from the exhaust system being in contact with the structure of the boat. This is a particularly difficult problem to solve on most designs. However, if you have an aft engine room achieving a favorable result is easier.<\/p>\n<p>On the FPB 64 the exhaust system is totally isolated from contact with any structure. This starts<\/p>\n<p><!--more--><\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" height=\"576\" alt=\"FPB-64-Exhaust-Isolation-104\" src=\"https:\/\/setsail.com\/wp-content\/uploads\/2009\/11\/fpb-64-exhaust-isolation-104.jpg\" width=\"337\" \/><\/p>\n<p>at the engine where the exhaust riser is supported by structure tied to the engine. The two inch\/50mm square tubing   (painted white) which looks like an inverted V in the center of the photo starts this process.<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" height=\"384\" alt=\"FPB-64-Exhaust-Isolation-101\" src=\"https:\/\/setsail.com\/wp-content\/uploads\/2009\/11\/fpb-64-exhaust-isolation-101.jpg\" width=\"576\" \/><\/p>\n<p>Next in line is the horizontal aqualift muffler. This is isolated with super soft mounts.<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" height=\"384\" alt=\"FPB-64-Exhaust-Isolation-102\" src=\"https:\/\/setsail.com\/wp-content\/uploads\/2009\/11\/fpb-64-exhaust-isolation-102.jpg\" width=\"576\" \/><\/p>\n<p>Then comes an elbow, again isolated with a rubber mount. After the elbow there is a short run under the swim step to the exhaust shut off valve.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A large percentage of the propulsion noise on most engines comes from the exhaust system being in contact with the <a class=\"read-more\" href=\"https:\/\/setsail.com\/isolating-exhaust-noise\/\">&#8230;Read More<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-9717","post","type-post","status-publish","format-standard","hentry","category-fpb64-notes"],"_links":{"self":[{"href":"https:\/\/setsail.com\/wp-json\/wp\/v2\/posts\/9717"}],"collection":[{"href":"https:\/\/setsail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/setsail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/setsail.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/setsail.com\/wp-json\/wp\/v2\/comments?post=9717"}],"version-history":[{"count":0,"href":"https:\/\/setsail.com\/wp-json\/wp\/v2\/posts\/9717\/revisions"}],"wp:attachment":[{"href":"https:\/\/setsail.com\/wp-json\/wp\/v2\/media?parent=9717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/setsail.com\/wp-json\/wp\/v2\/categories?post=9717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/setsail.com\/wp-json\/wp\/v2\/tags?post=9717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}