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Jon and V Boat Conversions & Modifications
1989 Alumacraft Lunker LTD / 1990 Highway trailer
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<blockquote data-quote="dearl" data-source="post: 468957" data-attributes="member: 1760"><p>Even at 20 Hp that's not a lot of horsepower to lift and hold a lot of weight, keep in mind a motor has to lift and hold nose weight in order to plane the hull. If it cant you get what's called porposing. The nose will raise and lower on its on at speed trying to plane. Keep your heaviest weight in the stern, mid weight center, and lighter stuff in the bow. You can get away with some heavier stuff in the bow, a battery or fuel tank, but not much over that.</p><p></p><p> My jet Boat has 2 group 29 batteries, and a 20 gallon permanent fuel tank in the nose, I built it this way to balance the boat at idle, not speed due to idling shallow rock shoals. My hull still planes out nice with me standing at the bow and will run 36 mph emtpy, but I have 90 horses pushing mine. Just a comparison of horsepower to weight.</p><p></p><p>[ATTACH=full]102904[/ATTACH]</p><p></p><p>[ATTACH=full]102905[/ATTACH]</p><p></p><p>[ATTACH=full]102906[/ATTACH]</p></blockquote><p></p>
[QUOTE="dearl, post: 468957, member: 1760"] Even at 20 Hp that's not a lot of horsepower to lift and hold a lot of weight, keep in mind a motor has to lift and hold nose weight in order to plane the hull. If it cant you get what's called porposing. The nose will raise and lower on its on at speed trying to plane. Keep your heaviest weight in the stern, mid weight center, and lighter stuff in the bow. You can get away with some heavier stuff in the bow, a battery or fuel tank, but not much over that. My jet Boat has 2 group 29 batteries, and a 20 gallon permanent fuel tank in the nose, I built it this way to balance the boat at idle, not speed due to idling shallow rock shoals. My hull still planes out nice with me standing at the bow and will run 36 mph emtpy, but I have 90 horses pushing mine. Just a comparison of horsepower to weight. [ATTACH type="full" alt="IMG_0912.JPG"]102904._xfImport[/ATTACH] [ATTACH type="full" alt="IMG_0916.JPG"]102905._xfImport[/ATTACH] [ATTACH type="full" alt="IMG_0986.JPG"]102906._xfImport[/ATTACH] [/QUOTE]
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Jon and V Boat Conversions & Modifications
1989 Alumacraft Lunker LTD / 1990 Highway trailer
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