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Catalina 25 Specific Forum

bought the "puck" style transducer... need help.

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77Gypsy
Captain

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USA
356 Posts

Initially Posted - 05/05/2003 : 16:03:46

i bought the horizon puck style transducer that sees through the hull without any holes. it comes with a nice little casing that i have to glue to the hull, then the transducer is slipped into that case along with "mineral oil" where is a good spot? i was thinking the forward v berth locker but i can't remember if there is a flat area there. alos is there any type of preperation to the area, sanding down etc. lastly, are there types of anti fouling paint that can block the sound waves?

Steven de Filippis
78 C25 SR/FK - Gypsy

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 05/05/2003 : 16:16:12

Steven,

Good choice of transducer(puck style). As for where to mount it, follow the manufacturers guidelines on location. As for the antifouling paint interferring with its operation, I've never heard of this problem, but....

<img src="http://www.catalina25-250.org/c25sm.gif" border=0>Don Lucier<img src="http://www.catalina25-250.org/c25sm.gif" border=0>
<img src="http://im1.shutterfly.com/procserv/47b2d904b3127cce9f7cd9ffdf1d0000003010" border=0>
North Star SR/FK

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RoofRoof
Navigator

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USA
186 Posts

Response Posted - 05/05/2003 : 16:25:29

Check for previous posts about this. I've responded a few times with my installation. Here it is again.

I used the transducer that came with my used fish finder/depth sounder. It wasn't even a puck. It was the kind that powerboats mount on the transom, dragging in the water. A puck would have been better, but mine works fine.

I chose the floor under the V-berth for my installation. First, it is far forward in the boat, so I get a little advance notice before I run aground.

Second, I didn't use the mineral oil installation you mentioned. My installation works perfectly and is much easier. ....here is how I did it.....

Just under the V-berth, I used some common calking and made a 6 or 8 inch ring on the floor. This was just so my epoxy would stay put.

Once the calking was dry, I poored in some "slow cure" 2 part epoxy glue. Set the transducer in the puddle, and put something heavy on top of it to hold it down. Once the epoxy was dry, all worked perfectly. Super easy, try it.

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Douglas
Master Marine Consultant

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1595 Posts

Response Posted - 05/05/2003 : 19:44:18

It needs to be in an area with a flat surface. I recomend under the aft area behind the steps. Dont forget to follow clibration procedures.

Doug&Ruth
Triska (Alberg 29)
Tacoma Wa.

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George Beck
1st Mate

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USA
48 Posts

Response Posted - 05/06/2003 : 21:19:19

Steve, I have Horizon puck which I installed in a PVC tube glued to the hull behind the keel cable with a screw in top and elect cord run out through a hole and then filled with mineral oil since they say it has to read through liquid. This is the flatest place and easies to get to. Dont forget you have to calabrate so any inperfections can be rectified. I think I got this off out web site. Good luck

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ClamBeach
Master Marine Consultant

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3072 Posts

Response Posted - 05/08/2003 : 00:09:28

I run a Horizon puck epoxied directly to the inside of the hull in my V23, mounted just ahead of the swing keel pivot... works fine... I've done several boats this way.

Downside of direct epoxy is that hopefully you won't ever have to replace it.

Bottom paint... haven't had any issues with it and depth sounders.

-- CB

Currently maintaining two holes in the water...'77 Venture 23 and new to the family,
'78 Catalina 25

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Chip Hunt
Navigator

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120 Posts

Response Posted - 05/11/2003 : 22:49:54

i think i would prefer it to be in front of the keel, especially if you have a fin keel. i do, and my transducer (thru hull) is just left of the boat's centerline underneath the v-berth.

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77Gypsy
Captain

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USA
356 Posts

Response Posted - 05/15/2003 : 12:23:36

thanks, putting the transducer into the housing tomorrow

Steve
78 C25 SR/FK - Gypsy

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