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Author Topic:   Doel-fin report
Seawolf posted 05-21-2003 11:23 PM ET (US)   Profile for Seawolf   Send Email to Seawolf  
Installed doel-fins on 13 sport w/40 HP. Big, big improvement in performance. It was especially a pleasure running the inlet with wakes and waves that used to soak us. I used one bolt, and actually the hole sternward, because I don't have a 90 degree drill attachment. My thanks for everyones input from previous posts on the subject.
huladick posted 05-22-2003 06:44 PM ET (US)     Profile for huladick  Send Email to huladick     
I'll second that on the Doel Fin. I recently put one on my 13'w/35hp. Best improvement money can buy. Smoother ride, quicker plane and a whole lot more stable at higher speeds. Anyone contemplating this addition...DO IT. You won't regret it...
GeneNJ posted 05-22-2003 08:38 PM ET (US)     Profile for GeneNJ  Send Email to GeneNJ     
What year boat are you driving? I have a 2002 model and would add the fin if I thought it would be useful, as I can get it for nothing.
Bigshot posted 05-22-2003 11:07 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
On classic 13's I totally agree. Wish they made them when I was running 13's. The one bolt is fine. I only used one bolt on my 60mph Checkmate.
Florida15 posted 05-23-2003 02:56 PM ET (US)     Profile for Florida15  Send Email to Florida15     
Apparently my 50 Johnson once had a Stingray
hydrofoil because the cavitation plate has holes that measure the same as those on the Stingray. The Doel Fins are smaller than the Stingray. Anybody know how the performance would compare ?
Seawolf posted 05-25-2003 01:55 AM ET (US)     Profile for Seawolf  Send Email to Seawolf     
After a few times out with the boat, I still enjoy the handling and performance with doel-fins. However she seems to use more gas. Perhaps another way to solve handling problems in a 13' is to raise the engine and maybe change the propeller. On plane, I trim up to just under the point that she begins to porpoise.
63WHALER posted 05-25-2003 05:55 PM ET (US)     Profile for 63WHALER    
Hello Florida15,
I also have a 15' Striper with a 60hp. Johnson. Purchased with a stingray on it, I don't know the differences between it and the Doel-fin except price is quite a bit higher for the stingray. I will add someone modified mine and cut it in two pieces, and added torque stabilizers on the stingray.

Haven't water tested yet but plan on trying with and without the stingray. Will try to report back and add some pics.

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