Jet Fin

Anyone running one, Thinking about installing one. Is it worth it ?

I never thought so.

On the pump, No
Through hull turn fin, Yes

I never once thought, I need to get one. Hell with it, I guess I don't.

You don't need it.


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I run one. My brother had a 19' dana and that boat would do a 360 if you pitched it hard, we installed the fins on the bottom of the boat and the one on the jet and fixed that problem.

I went ahead and installed one tonight, docks and trailers have to be easier with it.

Makes a difference at low speeds�� not critical though

Here in Alabama, after a hard rain there can be debris like logs floating and hidden just below the surface.
Jet Fins (Rudder) and these do not mix well, especially at high speeds :shock:

I put a rudder on my first boat. I was new to boating and new to jets. I really thought it would help with low speed. It did, I guess...but I still took it off.

Then when I got my tunnel, I thought I'd need one. So I put the rudder I had left over on it. I took it off at the end of the day.


Bottom line for me: they do make a difference, but it's not night and day. It was helpful when I was first learning - kind of like training wheels. Once I got "done" with the tunnel, I tried it again to test. It cost me 3 mph on the top end.