You can't generally install a through-the-hull transducer on a cored hull, unless you are planning on digging out all of the core material. If you do remove the inner fiberglass laminate and core material, you will need to replace it with a fairly substantial fiberglass patch. If you do this repair the wrong way, you risk letting water into the balsa core and delaminating the hull—which is a very expensive repair.
It would help if you said what kind of boat you had.. since the hull design will often affect the placement of the transducer. Forward of the keel, as close to the centerline of the boat as possible is probably a good location, but it will depend on your boat's specifics.
Ok, since I posted this thread got the transducer.. It a Norcross Hawkeye depth sounder...
Has anyone worked with it? I'm planning on installing it this coming weekend.
I'm thinking on a thru-hull instalation, how ever my boat has a balsa cored hull. I willl "digg" into de ourter layar of fiber glass and then fix it to the boat.
What do you think about this setup?
The transducer also works as a transom mount, but I think it wouldn't work because my boat has a reverse angle in the transome, also I'm not sure if the transducer will be underwater all times.
My rudders is a spade type and I think with the movement, air bubbles will be created.
Any way I'll try different spots, but any information is appreciated.
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a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.
—Cpt. Mal Reynolds, Serenity (edited)
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