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Old 27-08-2011, 10:28   #1
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Tranducer Deadrise

Has anyone any tips on mounting a depth finder transducer to shoot though the hull with a dead rise of 60 degrees? That's about the minimum on my full keel boat, a True North 34
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Old 27-08-2011, 13:04   #2
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Re: Tranducer Deadrise

You generally try to find the most horizontal part of your hull interior and locate the transducer there.
- - Barring that you can make a wedge that fits the bottom of the transducer out of pure epoxy - no fillers if possible (some chopped glass strand can be used if the wedge is too thick). The idea is to be able to allow the transducer sound signal to penetrate the hull with minimal dampening.
- - you can build or use a piece of pvc pipe adaptor with cover to make a collar that will fit around the transducer and epoxy that to the hull. Put the transducer into the collar and fill the space with mineral oil (otherwise known as baby oil). Then put on the cover to seal in the oil and transducer.
- - Any variation of the above will also probably work but the idea is to get an intimate surface contact between the transducer and the boat hull without any intervening air that will dampen the signal.
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