depth transducer placement

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Mike Colucci

Is it possible to place a transom mounted transducer inside my bilge area to shoot through the hull?? Or are these transducers made specific to each type of mounting?? I really don't want to put in on my transon ( I bought the depth finder and transducer real cheap and it came with the transom mounted one) mike C. "Maestro"
 
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AL

archives...

I mounted a transom mount tranducer to shoot thru the hull recently. The archives have various ways this can be done, for instance; http://www.sailboatowners.com/forums/rview.tpl?fno=5&rid=2002161083500.56&por=r
 
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Henry Barousse

Through-Hull Transducer

It's easy to try. I successfully mounted a transducer to read through the hull by suspending it in liquid contained in a PVC pipe. Cut a section of pipe large and deep enough to house the transducer and mount it to the inside of the hull with silicone. Fill it with water and arrange for the transducer to hang in the liquid without touching the hull. Capping the pipe keeps the water from evaporating. If it doesn't work,you have very little invested.
 
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Peter

Transducer

You could always just try it by having a zip lock bag full of water between the hull and transducer. If it works, then you could use the bag trick to find your best location. I was given a transom mount transducer along with the normal shoot thru hull transducer, and they both work from inside.
 
Dec 2, 1999
15,184
Hunter Vision-36 Rio Vista, CA.
But not in your bilge!

Mike: You have been given good advice on trying to glue the transducer to the hull. What you do not want to do is put it in the bilge. Depending on where you would place it it would be either trying to look thru the keel or it would be blocked by the keel when you heel. The best place is under the vberth, just forward of the keel (probably 1-2 ft). This is also true for the knot meter. You do not want them next to the keel because it will give you a false reading caused by water rushing around the keel. I have had one mounted inside the hull for years and it worked fine until the instruments died last year. Going to replace them this seaons with a new Nexus Package.
 
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Bob Camarena

Forget all the complicated stuff

Go to the hardware store and buy a wax toilet bowl mounting ring. Stick your transducer to the hull (follow Steve's advice as to location) with a good glob of the beeswax (or whatever it is). Push it down so there's about 1/8" or so between the transducer and the hull with a good ring around the perimeter to hold it in place and see if it works. I mounted my transducer "temporarily" this way about 4 years ago and it's still going strong.
 
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LaDonna Bubak - Catalina Owners

Thanks for the tip, Bob

I think I'll "temporarily" try that too! LaDonna
 
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Mark

V-Berth may be too far

Mike, I recently glued (epoxy) mine in as far aft as possible under the v-berth of my Mac 25 to counter the effects of the swing keel, turbulence and "seeing where I have already been". The problem I have now found is that the reading is great while in port or motoring out but I get dropout while sailing. I can only guess that the 'ducer is being lifted above the waterline while heeling and is no longer able to read. I am now stuck with the fun task of unseating the 'ducer while still maintaining hull integrity since the boat is floating. The last thing I want is to prove that the floatation blocks work as advertised!!! In other words, no solvents or chisels, just shear luck to pop it free and relocate it. -Mark
 
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