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Bookmark or Share- Porpoising - causes and solutions? | Dedicated To The Smallest Of SkiffsPorpoising on a planing hull is the result of the relationship between center of gravity, center of pressure and thrust axis. If the center of gravity is too far aft and the thrust axis is too low, the bow will rise as thrust raises the COG about the center of pressure, then, when forces balance, as gravity overcomes thrust, the bow will fall ...
- Porpoising with a Jet outboard - Dedicated To The Smallest Of SkiffsI have the same 50/35 jet on a Cayo 173 (so apples and tangerines). No porpoising at all. It is hard to tell from the pictures, but I think your motor trimmed in too much (the thrust is pointed below horizontal). If you have power trim, you can play with it to find a sweeter spot.
- Porpoising - flats skiffs vs. bass boats - Dedicated To The Smallest Of ...Most modern day flats skiffs (or older flats boats that have been newly repowered) with heavier 4-strokes, need trim tabs to control porpoising. Some are worse than others. We try different props, different motor heights, stabilizer plates and hydrofoils, moving weight forward in the boat, buying the smallest lightest 4-stroke motor at the risk ...
- Aluminicraft 185 ts porpoising - Walleye Message Centralthe whole personality of the boat changed. Porpoising went away, and for the most part, all is good. Do wish the boat ran a little flatter though, if I try to cruise at 4500 rpm with the trim in the "sweet spot" the nose rides a bit high. 5000 r's brings it down though, and the ride is better there.
- Easy way to cure porpoising? [Archive] - Walleye Message CentralOn flat smooth water it has a tendency to start a slow porpoise at WOT. (30 mph) Backing the throttle off will stop the porpoising. There are a few plates available for this, but our local dealer suggested just a couple inch wide flat piece of aluminum mounted to the transom on each side. Then just bending it slightly until the porpoising stops.
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