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 Catalina/Capri 25/250 Sailor's Forums
 Catalina 250 Specific Forum
 Fish Finder 250 wb		  New Topic  Topic Locked
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wallymackinnon
Deckhand

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Canada
18 Posts
Initially Posted - 10/12/2005 :  21:49:28  Show Profile
I have a Catalina 250 water ballast and am interested in installing an electronic fish finder. Has anyone else done this? I am concerned about locating the sensor properly to get accurate readings and am also concerned about not damaging the ballast tank.

Any suggestions would be welcomed.

Wally MacKinnon
London, ON
Navasana - (hull 724)
Wally MacKinnon
London, ON
Navasana - Hull #724
Sometimes can be found at: N 42 30 W 081 36
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JohnMD
Navigator

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USA
207 Posts
Response Posted - 12/31/1999 :  19:00:10  Show Profile
Ditto, ditto, ditto. I wrapped my transducer in plastic wrap and made a 'mold' of it with silicone caulk on the floor just in front of the water tank. I then removed the transducer and plastic wrap and filled the depression with epoxy and stuck the transducer in it. Works fantastic. Oh, check the prices for the transducer extension cable when you buy the fish finder. They're pretty steep.
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Tom Potter
Master Marine Consultant

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USA
1913 Posts
Response Posted - 10/12/2005 :  22:11:48  Show Profile
Wally, I used a toilet bowl wax ring (new, I might add)to secure my transducer to the inside of the hull. I balled up the wax and stuck it to the hull in the V berth area under the 12 gallon water tank. I then stuck the transducer down in the wax, careful to avoid any air pockets. The only draw back is the water temp dont work, it gives the hull temp instead of water temp. Its been there for over a year now and no problems. The best part of this idea is if you don't get accurate readings you can move it.

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sterngucker
Navigator

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USA
169 Posts
Response Posted - 10/12/2005 :  23:03:04  Show Profile
On my water ballast boat(hull #799) there is a square well located just forward of the water tank underneath the vee berth specifically designed for that purpose. That is where you want to locate your sensor. Some have drilled a hole for a thru hull sensor and some of us, including myself, have epoxied or waxed in a traditional stern mount type sensor. Mine has worked very well in that location.
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wallymackinnon
Deckhand

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Canada
18 Posts
Response Posted - 10/13/2005 :  22:48:23  Show Profile
Thanks for the tips. I did not think of putting the transducer in that area. This will give me something to plan over the long, long winter.

Wally MacKinnon
London, ON
Navasana - #724
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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.