{"id":42388,"date":"2026-04-27T18:19:50","date_gmt":"2026-04-27T16:19:50","guid":{"rendered":"https:\/\/ribsonly.com\/2\/?p=42388"},"modified":"2026-06-02T13:27:27","modified_gmt":"2026-06-02T11:27:27","slug":"overpowering-a-zodiac-rib-a-good-idea","status":"publish","type":"post","link":"https:\/\/ribsonly.com\/2\/overpowering-a-zodiac-rib-a-good-idea\/","title":{"rendered":"Overpowering a Zodiac RIB: a Good Idea?"},"content":{"rendered":"\n<iframe width=\"853\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/DEiEs7zj25g?si=r0Om4_-q6rVe6Vsy\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\n\n\n<h2 class=\"wp-block-heading\">Overpowering: A Risky Move&#8230;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Before upgrading your boat with engines beyond the specs, review safety limits carefully and consider adjusting your insurance coverage to avoid costly consequences.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this video a 1995 Zodiac Hurricane 472, a former rescue craft, is repurposed as a rugged project boat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Originally rated for 70 hp, it receives a BF90 engine. That&#8217;s overpowering.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The engine\u2019s long shaft is roughly 6 inches too long, lowering the cavitation plate and causing porpoising.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">They consider removing a 5.5-inch extension, but the required parts would cost over a thousand dollars.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Instead, they install a fixed TH Marine Jack Plate costing about $265, cheaper than $400 adjustable versions.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p class=\"wp-block-paragraph\">Improvised lifting with straps replaces proper hoisting, highlighting risky, rushed decisions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Severe flexing leads to reinforcing the transom with aluminum plates and structural bracing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A key issue emerges: the jack plate was mounted backwards and upside down.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After correcting alignment and drilling new holes, performance improves significantly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The boat still runs about 1 inch too low, but reaches a sketchy 58 km\/h (31,32 knots).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ultimately, the project shows that even a perfect engine may not suit every boat. That&#8217;s the cot of overpowering.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">This video was published in <a href=\"https:\/\/www.youtube.com\/@FortNine\" target=\"_blank\" rel=\"noreferrer noopener\">the <strong>FortNine<\/strong> YouTube channel<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Interested in more DIY? <a href=\"https:\/\/ribsonly.com\/2\/category\/diy\/\">Click here<\/a>!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/ribmanufacturerlist.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Global Manufacturer List<\/a> showcases 200+ active RIB brands, organized through homepage visibility, featured companies, and detailed listings by country and segment. Contact the RIB Builders fast!<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.youtube.com\/@FortNine\" target=\"_blank\" rel=\"noopener\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overpowering: A Risky Move&#8230; Before upgrading your boat with engines beyond the specs, review safety limits carefully and consider adjusting your insurance coverage to avoid costly consequences. In this video a 1995 Zodiac Hurricane 472, a former rescue craft, is repurposed as a rugged project boat. Originally rated for 70 hp, it receives a BF90 engine. That&#8217;s overpowering. The engine\u2019s&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[36,447,6],"tags":[],"class_list":["post-42388","post","type-post","status-publish","format-standard","hentry","category-zodiac","category-diy","category-video"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/posts\/42388","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/comments?post=42388"}],"version-history":[{"count":1,"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/posts\/42388\/revisions"}],"predecessor-version":[{"id":43129,"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/posts\/42388\/revisions\/43129"}],"wp:attachment":[{"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/media?parent=42388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/categories?post=42388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ribsonly.com\/2\/wp-json\/wp\/v2\/tags?post=42388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}