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 depth sounder transducer		  New Topic  Topic Locked
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bigelowp
Master Marine Consultant

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USA
1800 Posts
Response Posted - 02/04/2009 :  20:21:10  Show Profile
Gotta ask -- will mounting a regular Raymarine thru-hull transducer inside the hul work or do you need a special transducer?
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dmpilc
Master Marine Consultant

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USA
4593 Posts
Response Posted - 02/04/2009 :  23:26:02  Show Profile
BTW, found the HD sales receipt cleaning up today; the parts for my little installation cost about $10, excluding the wax ring, I forgot what it cost.

I don't know anything about Raymarine transducers, but if it is represented to be a thru-hull device, it should work. It's easy enough to test. The main thing is that the hull must be solid fiberglass (which your C-25 should be), no sandwich core construction where you mount it, and no air bubbles in the wax. Press it to the hull firmly, but don't squish it down all the way to touch the hull. Use a large enough glob of wax so the transducer is bedded all around the casing with very little kneading of the wax, and you want to be as flat and close to the center line of the boat as possible and as straight up as possible.

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Prospector
Master Marine Consultant

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Canada
3159 Posts
Response Posted - 02/05/2009 :  08:09:36  Show Profile  Visit Prospector's Homepage
I like your installation David, but with 2 kids aboard, I think that would quickly be treated as a football sitting on a tee. I wonder if I can make the PVC pipe-mount swingarm structure we have seen here for other electronics and mount the fishfinder to it.

Yet another project to add to the list...
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dmpilc
Master Marine Consultant

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USA
4593 Posts
Response Posted - 02/05/2009 :  09:59:55  Show Profile
Just tell the kids what it cost and if they damage it you will take it out of their allowance.
I really liked the Ram arm swing away installation another member used, I just didn't want to spend that much money.
Edited by - dmpilc on 02/05/2009 10:00:20
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.