{"product_id":"uanofcn-boat-doel-fin-hydrofoil-stabilizer-for-5-150-hp","title":"UANOFCN Hydrofoil Stabilizer for Outboards 5–150 HP — 10¼\" x 8¼\" improves planing \u0026 reduces porpoising","description":"\u003cb\u003eUANOFCN Boat Doel Fin Hydrofoil Stabilizer mounts to outboard engines to raise the stern sooner, improve planing, and reduce porpoising for 5–150 HP motors.\u003c\/b\u003e\n\n\u003cp\u003eThis compact hydrofoil is engineered to change how small and mid-size boats get onto plane. Crafted for compatibility with most outboards and sterndrives rated from 5 to 150 horsepower, the stabilizer shifts trim behavior so the boat achieves a flatter, more stable ride at lower throttle. The package arrives with mounting hardware and a drill bit so you can fit it yourself or hand to a mechanic for a quick install.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the hydrofoil affect acceleration and planing?\u003c\/h3\u003e\n\u003cp\u003eBy redirecting water flow at the lower unit, the foil helps lift the stern earlier during acceleration, which shortens time-to-plane and reduces bow rise. That means you can achieve cruising speed with less throttle and smoother transition through chop. This improves fuel efficiency indirectly by spending less time at high revs during launch.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRaises stern to lower angle-of-attack during takeoff\u003c\/li\u003e\n  \u003cli\u003eReduces bow rise for quicker planing\u003c\/li\u003e\n  \u003cli\u003eImproves throttle-to-speed responsiveness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this hydrofoil increase steering stability and reduce porpoising?\u003c\/h3\u003e\n\u003cp\u003eYes — the foil dampens pitch and fore-aft oscillation, which reduces porpoising and frequent trim adjustments. Riders notice steadier tracking at cruising speeds and easier handling when encountering wakes or wind chop. It’s a passive device that works continuously once installed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLess fore-and-aft rocking in chop\u003c\/li\u003e\n  \u003cli\u003eMore consistent trim angle at speed\u003c\/li\u003e\n  \u003cli\u003eImproved straight-line tracking with fewer steering corrections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the UANOFCN foil compatible with my motor and how is it installed?\u003c\/h3\u003e\n\u003cp\u003eThe hydrofoil measures H 10-1\/4\" x W 8-1\/4\" and is made for outboards and sterndrives from 5 to 150 HP. Installation uses the supplied stainless steel screws, nuts, and a 6.5 mm drill bit; most installations take under an hour depending on access. Always follow your engine maker’s recommendations and check for interference with cavitation plates or trim tabs before final fastening.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDimensions: 10-1\/4\" height by 8-1\/4\" width\u003c\/li\u003e\n  \u003cli\u003eHardware included: screws, nuts, 6.5 mm drill bit\u003c\/li\u003e\n  \u003cli\u003eInstallation: surface mount on lower unit per instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance changes should I expect after fitting the stabilizer?\u003c\/h3\u003e\n\u003cp\u003eExpect improved takeoff, reduced tendency to porpoise, and steadier cruising with smaller trim adjustments. While gains vary by hull type, load, and motor, many operators report a more comfortable, predictable ride and easier trimming. This does not replace trim tabs for heavy load compensation but complements existing trim systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFaster, smoother planing for single or lightly loaded boats\u003c\/li\u003e\n  \u003cli\u003eReduced need for aggressive trim corrections\u003c\/li\u003e\n  \u003cli\u003eBetter comfort for passengers in light to moderate chop\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: UANOFCN’s Boat Doel Fin Hydrofoil is designed for recreational boaters, anglers, and small commercial operators running 5–150 HP outboards or sterndrives who want quicker plane, steadier tracking, and reduced porpoising without major engine modifications. It’s well suited to lightweight center consoles, fishing skiffs, runabouts, and anyone seeking a straightforward, bolt-on way to refine your boat’s on-water behavior.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What horsepower range does this hydrofoil fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits outboards and sterndrives rated from 5 to 150 HP.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is hardware included for installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—the kit contains the hydrofoil, stainless screws and nuts, and a 6.5 mm drill bit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"UANOFCN","offers":[{"title":"Default Title","offer_id":48022526296225,"sku":"B0BCFB5B4F","price":95.03,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/uanofcn-hydrofoil-front-view.jpg?v=1791337825","url":"https:\/\/canadiansporting.ca\/products\/uanofcn-boat-doel-fin-hydrofoil-stabilizer-for-5-150-hp","provider":"Canadian Sporting","version":"1.0","type":"link"}