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 Catalina 25 Specific Forum
 Transome Mount Transducer		  New Topic  Topic Locked
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NuNees
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USA
125 Posts
Initially Posted - 01/17/2003 :  10:09:58  Show Profile
I read Dragon Tails explaination of the skeg mounted DS51 transducer but could not see the picture very well. The PO has installed the depth gage but it looked like he gave up on the transducer because the transome is so far out of the water (which is my reaction, as well).
I e-mailed Standard Marine about the possibility of converting the DSTS51 to an 'In Hull' transducer, mounted in a water tight container, epoxied to the floor of the hull. No answer from them, just yet. I had seen this idea executed somewhere, but can't find it now that I need it.
What suggestions do you have for me?
Thank you...NuNees C25 SKSR 4953.
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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts
Response Posted - 01/17/2003 :  13:18:20  Show Profile
The idea of mounting the transom mounted transducer in a mineral oil or water bath in a container inside the hull was discussed in a recent topic and it sounds reasonable. Towards the end of the discussionhttp://www.catalina25-250.org/forum/topic.asp?TOPIC_ID=2457 some posted their ideas on how to mount this type of transducer.

Another option would be to buy the Standard Horizon DST55 "In-Hull Puck" transducer(SailNet $49.95 or West Marine $69.99, catalog page 154), and simply glue it to the hull.

Keep in mind that SailNet doesn't charge sales tax(unless in SC) and advertises free shipping.

Here's the SailNet link.
http://www.sailnet.com/store/item.cfm?pid=22407

And, NO, I don't work for SailNet! I just save "tons o' money" with them.


Don Lucier, 'North Star'
C25 SR/FK
Cradled on the hard, 200ft from Lake Erie
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lcharlot
Master Marine Consultant

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Antigua and Barbuda
1301 Posts
Response Posted - 01/17/2003 :  13:45:35  Show Profile
The transducer for "Quiet Time"'s depth sounder is a transom mount, powerboat type, that came with the Garmin 125 GPS/Sounder. I have it mounted on a piece of aluminum plate 2" wide, 1/4" think, 12" long, that extends down from the back of the skeg. The plate is attached with a couple of screws to the skeg above the waterline, and the transducer cable is routed to a small hole in the transom next to the outboard motor. This arrangement probably induces some slight amount of drag - a dedicated racer would never do it this way, I suppose - but it did allow me to use the transducer that came with the unit, without drilling into the hull below the water line, something I hate to do. One other downside to hanging the transducer this way is that anything floating at the surface like kelp is likely to get caught in it, and the transducer is vulnerable to getting whacked off if I should run over a large enough piece of driftwood. On my next boat, which will be an '88-'90 WK/SR, I will probably use a regular thru-hull transducer in the floor of the head compartment.


Larry Charlot
Catalina 25 #1205 "Quiet Time"
Sacramento, CA
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NuNees
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USA
125 Posts
Response Posted - 01/17/2003 :  13:48:27  Show Profile
<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>
I read Dragon Tails explaination of the skeg mounted DS51 transducer but could not see the picture very well. The PO has installed the depth gage but it looked like he gave up on the transducer because the transome is so far out of the water (which is my reaction, as well).
I e-mailed Standard Marine about the possibility of converting the DSTS51 to an 'In Hull' transducer, mounted in a water tight container, epoxied to the floor of the hull. No answer from them, just yet. I had seen this idea executed somewhere, but can't find it now that I need it.
What suggestions do you have for me?
Thank you...NuNees C25 SKSR 4953.


<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote>
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NuNees
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USA
125 Posts
Response Posted - 01/17/2003 :  13:52:56  Show Profile
Thank you for the tips.
The discussion at 2457 had the answer I was looking for.
I'll test it as suggested and then have a go at it.
If it doesn't work out I'll do a SailNet...Thanks again.

NuNees C25 SRSK 4953 On the hard @ lake Carlyle
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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.