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Sonar Transducer
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Author:  beyond the blue [ Thu Jan 24, 2008 2:45 pm ]
Post subject:  Sonar Transducer
Can anyone say what the lower hull is made from on a 1998
238 Vista, in particular is there any wood sandwiched in the fibreglass (other than the stringers) that would prevent a (in hull) sonar transducer from working correctly?

Also has anyone fit this type of transducer, as any advise would be
helpfull?
Author:  powellcrazy [ Thu Jan 24, 2008 8:03 pm ]
Post subject:  Re: Sonar Transducer
I thought that was a standard feature on a Four Winns boat?!?!?! Every four winns I have ever seen has a transducer in the bilge. I would think that if you wanted to in stall one, cut away.
On any of the vistas, if you were to have a dealer install an option, as say: A/C they would have to cut a hole into the hull. I think, stay away from the stringers and you would be OK.
Author:  beyond the blue [ Fri Jan 25, 2008 7:35 am ]
Post subject:  Re: Sonar Transducer
Sorry :oops: should have stated that this install is for a transducer for a combined plotter/fishfinder.
I want to use a (in hull) type rather than a (through hull) being as the boat is in a Marina and I wont be lifting her this year, but the makers say a (in hull) type won't work if the hull has any wood or foam sandwiched in the fibreglass hull.
Author:  wkearney99 [ Fri Jan 25, 2008 11:32 am ]
Post subject:  Re: Sonar Transducer
First thing I would do is ask Four Winns directly. They'll certainly have an answer to the hull layering question. That and they'll be able to shed some insight on the second question: placement. Where to put a transducer is a big challenge. You want to make sure it's positioned such that it'll stay in "clear enough" water to keep working when you're moving. Put it too far forward and it'll be out of the water too soon. Put it too far back and it'll be stuck in areas of turbulence (air bubbles). The local dealer for that transducer may also have some words of advice on it's placement.
Author:  4Winnsboater [ Tue Feb 19, 2008 11:10 pm ]
Post subject:  Re: Sonar Transducer
I have a 1997 23.8 and installed a Lowerance shoot-thru transducer. As mentioned above I contacted Four Winns and was informed that nothing was sandwiched between the fiberglass hull. Mounted it opposite of the factory thru-hull. No problems! :D
Author:  jzellers [ Wed Feb 20, 2008 11:01 am ]
Post subject:  Re: Sonar Transducer
I did the same as 4Winnsboater to my 1998 278 last season because I replaced the factory Lowrance in-dash sounder that had quit working. I also added a transom mount transducer with a temp sensor for my Lowrance GPS/plotter unit. It does help having both when one or the other gets erratic readings due to turbulence, etc.
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