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Author Topic:   Hydrofoil on 2004 Nantucket
SteviLad posted 04-23-2005 04:33 PM ET (US)   Profile for SteviLad   Send Email to SteviLad  
After reading several posts on this website Re: tabs & hydrofoils, as well as reading & researching on my own, I decided to put a Sting Ray Hydrofoil on my 150 Optimax outboard, mounted on a 2004 Nantucket.
The thought was to provide quicker planing, & allow lower RPM cruising while on plane, with the hydrofoil, before going to the next step of electric or hydraulic trim tabs.
A neighbor recently told me that he had read an article in a boating magazine that warned about purchasing used boats with a hydrofoil on the motor, since they supposedly caused some torque problems with the drive shaft &/or gears. I was not aware of any downside or problems with hydrofoils on outboards, Any thoughts?
Yiddil posted 04-23-2005 10:15 PM ET (US)     Profile for Yiddil  Send Email to Yiddil     
SteviLad, I had one put on my old Pro-Line20 VRO90 Johnson and it helped with getting her up quicker...and planning at lower speeds...never heard of that problem with it. As you know I have a 2004 Nantucket with the 115-2...and I get up pretty quick...maybe because she is lighter than your 150...cant be that much difference can htere in weight? But I have found no need to play with a foil...and especially trim tabs at this point...then again, Ive never needed to go past the 38-40 I get wot...and most of the time Im doing 30-35 @4500RPMs or less...I still cant see the expense of the 150 being more valid for me than the way cheaper 115-2 getting me similar performance...My issue was getting up fast...mine does that...doing 50 just wasn't a high priority...although I will be trying a steel mercury vengence prop soon just to see what the differnece will be...maybe another prop will do you some good...My Best<
Bulldog posted 04-24-2005 12:51 AM ET (US)     Profile for Bulldog  Send Email to Bulldog     
I've had two boats with the Doel-fin brand hydro foils, I liked their performance and also had no problems with either boat in total of 6 years of use. I just installed doel-fins on my twin engine Revenge. I prefer the doel fins because they are smaller and do make a big difference, they do not stick out past the end of the cavitation plate............Jack

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