Installing transducers

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Armando

I have to install speed/depth tansducers on my hunter 23. I'm thinking of installing them at the bottom of the V-berth as far back as I can. Is it ok to install them there since it looks that the angle outside the hull is different than the angle inside??? or any sugestions on a better location. Another good location, I think, is near the battery compartment towards the stern but I think it'll take a lot of turbulence!!! Any ideas? Thanks in advance Armando
 
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Tom

That's where the factory puts them

I have a 97 H26 and that is where they are installed. Doesn't seem to be a problem. I always wonder why the depth transducer isn't more forward, as by the time the stern gets to a low water point, it's sort of too late. :)
 
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Armando

Forgot to give the year

I agree with you Tom, putting them at the rear almost defeats the purpose. Mine is a 85, I wonder if there is a change as they get newer. I'll be in very big trouble if I find out after I drilled two 2" holes that the angle inside is totally diferent than the outside :)
 
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Sam Lust

2 Items:

1. The factory doesn't install transducers. It"s normaly done by the selling dealer, and they inevetably take the easy way out and simply slap the transducer in the easiest to access space with a flat surface. Is the aft section of the hull correct, or even acceptable? No way. The transducers, both speed and depth should be as far forward of the keel as practical and still stay in the water. 2. The hull thickness varies from the centerline ridge outward, suo you will undoubtedly find you have a problem. I just mounted a new set of transducers far forward in my Hunter 33, just aft of the V berth. Remember' on a 33 this puts it relatively much further forward than on a 23. To compensate for the "V" shape of the hull I formed a "fairing block on the outside of the hull using thickened epoxy, sanding to form the shape. This has provided a flat surface for the mushroom to seat and seal on and a fair surface to minimize turbulnce. I'll try tio shoot a few pictures and post them. Sam Lust tech051@mindspring.com
 

Rick

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Oct 5, 2004
1,098
Hunter 420 Passage San Diego
loosey transducey

I'm hoping to install a transom-mount transducer this weekend in my 26 and the biggest problem seems to be working around the water ballast tank. I've got very little room in the forward area under the v-birth that isn't blocked or abutting the water ballast wall. So far I'm not getting very many practice readings. However, I plan to use the water-filled baggy and hope to epoxy the 4-ich PVC pipe into which the transucer will sit in a small pool of mineral oil. Any other experiences working around the limited areas of a water-ballast 26?
 
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Ward

I installed a thru hull transducer in V-berth

I installed a Garmin Thru hull transducer as far back in the v berth as practical. It is about a foot forward of the keel. I have an 87 h23 wing keel. The outside of the boat is not perfectly flat in this area. It has a very slight 'V' but the sealant compound sealed it perfectly. The depth is accurate. It is always under water and will not be affected by eddy currents from the keel/motor/tiller. Let me know if you have questions. It was an easy installation. Ward
 
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Armando

Done

I've just installed them and two things happened: The first hole was to far back inside the v-berth compartment, where there is a little more resign and made it uneven, a nightmare, outside in the hull looks flush but inside the plastic nut is tight on one side and loose on the other, I thightned as much as I could and put alot of sealant, I'll pray (a lot) The second hole I decided to put it about 1 inch ahead of the other hole on the opposite side and voila, perfect even surface where it thightned really well. Came to the conclusion that that spot is the perfect place for the transducers on the 23 thanks to all, you guys were very helpfull.
 
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Bob Zanowicz

Transducer Questions Also

I don't have a depth meter but I have thought of buying and installing one. My question is, do you have to go the "through hull" method or can you epoxy the transducer to the bottom inside of the hull? Bob
 
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David

Transducer

Bob, I installed a read through type digital depth sounder and the epoxy came with the kit. It reads very well to about 100' depth. I also like the fact that it can be mounted with a 15 degree deviation from level.
 
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