thru hulls - scared - need help - Page 2 - SailNet Community

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post #11 of 16 Old 09-05-2013
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Re: thru hulls - scared - need help

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Originally Posted by zeehag View Post
i am not aguy but i will take the thanks---make the well deep and only cover the transducer end so it doesnt come dry in a case of extreme heel....
have fun--it does work.

i used a piece of pvc pipe glued to hull interior and filled with about 2 inches of oil---cooking oil--extra virgin olive variety...it wont come out unless i knock down.
If all you're looking for is depth, then I fully agree with Zee. Shoot-thru is fine, as long as your hull is solid. I ran for years on my previous boat with a transducer stuck to the inside hull inside a well (like your PVC pipe Zee), covered in water and held in place by a sponge. Kinda half-ass installation I know, but it worked flawlessly for the 8 years I sailed that boat.

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post #12 of 16 Old 09-05-2013
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Re: thru hulls - scared - need help

I bet a shoot thru transducer will work in your situation. It would be easy to check it out by temporarily mounting the transducer in some toilet seating wax and seeing what you can see.

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post #13 of 16 Old 09-05-2013
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Re: thru hulls - scared - need help

I have heard that peanut butter works as a temporary medium when you are trying to find a good location.

I hadn't heard of the oil trick.

Isn't there special 'transducer goop' made for semi-permanent installation?

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post #14 of 16 Old 09-05-2013
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Re: thru hulls - scared - need help

I mounted my transducer inside the hull using "plumbers putty" (solid hull, about 3/8" or 1/2" thick or so). It's been there for two years now. Works perfectly. Hasn't moved a bit. I like that this is NOT permanent, so would be easy to change locations. or change transducers if I upgrade to a better unit someday.

This was actually (the only) boat upgrade that I've done that was easier and less costly AND faster than I was expecting!!! lol

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post #15 of 16 Old 09-05-2013
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Re: thru hulls - scared - need help

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Originally Posted by CarbonSink62 View Post
I have heard that peanut butter works as a temporary medium when you are trying to find a good location.

I hadn't heard of the oil trick.

Isn't there special 'transducer goop' made for semi-permanent installation?
Common hardware store silicone sealant is fine. You can remove it if you ever change your mind. The PVC pipe filled with liquid is another solution, but more work and perhaps not as trouble-free as simple silicone. Just remember when you're testing the spot on your hull that there can be no air bubbles under the transducer, which is why I suggest the "pool" made with modelling clay. If it works ok, just remove the clay and clean the surface well and mount the transducer in a gob of silicone. It's a 30 minute job.

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post #16 of 16 Old 09-06-2013
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Re: thru hulls - scared - need help

I mounted mine in a blob of silicone caulk and it reads just fine.
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