Porppising.

[jccalder]

I am wondering if anybody here has a clue as to why my boat jumps up and down when I get enough speed to finally plane out. My boat comes out and planes out about 38mph. Gps and speedometer. I have to decelerate and it will stop , but I want to ride for a little while before I take my kids tubing. I've read about a nose cone that would help it with porpoising. I don't want to attach anything to the boat body. I just installed a 14/19 solas impeller with new wear ring. My boat would porpoise with the old impeller as well. And ideas will be greatly appreciated. TIA

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[Coastiejoe]

Pretty much just the way they are without some sort of trim tabs.

You could buy a wedge for the jet. This would angle the nozzle down which would keep the bow down better.


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[jccalder]

Pretty much just the way they are without some sort of trim tabs.

You could buy a wedge for the jet. This would angle the nozzle down which would keep the bow down better.


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I'm going to look into that wedge. Do you know who dell's them? I've seen them online before , but for some reason I can find them anymore. Thanks

 

[Coastiejoe]

Off hand, I don't recall where I ordered mine from (which I have yet to instal). That said, I believe I read somewhere that they are hard to find for the boats. Not sure why that is as they are all over for the skis.

 

[jccalder]

Off hand, I don't recall where I ordered mine from (which I have yet to instal). That said, I believe I read somewhere that they are hard to find for the boats. Not sure why that is as they are all over for the skis.

Yes. All I can find are ant-cavitation. And are you referring to the impeller cover??

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[Premix]

Check to see if your steering nozzle is drilled for more than one trim position. If not the top steering pivot bolt, then possibly, the bottom one.

 

[jccalder]

Check to see if your steering nozzle is drilled for more than one trim position. If not the top steering pivot bolt, then possibly, the bottom one.

Thanks. I will do that today

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