thru hull transducers vs. trans mount
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Thread: thru hull transducers vs. trans mount

  1. #1
    Senior Member
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    Sep 2000
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    flourtown, Pa
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    Question

    could anyone help me out on the pros and cons of using a thru hull transducer rather than a transom mount on a 20ft trophy? besides the fact that my transom mount disapeared for no good reason after 2 seasons of use!
    thomasletter@comcast.net<BR>\"HAPPY HOOKING\"<BR>Flourtown, Pa//Acorn Campground, Green Creek, NJ

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  3. #2
    Senior Member
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    May 2000
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    Egg Harbor Twp, NJ
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    Post

    The transom mt transducers today are the best bet on an outboard boat. They need to be installed correctly and they will work very well without the added expense of a thru hull and the problem of mounting the thru hull. Most manufacturers recommend the transom mt for outboards. i know of a 65 mph boat with trips that can read the bottom at that speed. Just be sure hat the unit is installed correctly. About 80% of problems are install related.
    Happy to be fishing the South Jersey coast since 1963.
    Downeast boats are the ticket.

  4. #3
    Senior Member
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    Aug 2002
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    turnersville nj
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    Post

    I had a thru hull installed on my Grady because it has a pocket built into the hull designed for transducers. One disadvantage I found was if trailering you can damage the speed sensor with the trailer. I found this out this fall and now have to replace the speed/temp sensor. It does look like it is designed to be changed easily and I believe it can be done even while the boat is still in the water.If you are not going for the speed/temp model you might want to try gluing a transmon mount right to the inside of your hull as a shoot thru. Some loss of power but no turbulence or chance of damage.Try siliconing it to the bottom temporaly to check its operation before using epoxy.I tried this on a couple of boats with 100 dollar Hummingbirds and was reading bottom at 50mph

  5. #4
    Banned
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    Jan 2005
    Location
    cape may nj
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    Post

    on the outboard boats,the transom mount 'ducer is the way to go...if it's properly installed,it will read at high speeds without any problems...
    the thru hulls are a little tricky on trailered boats-the 'ducer allways seems to find a roller-not a good thing...
    when installing the 'ducer on the transom,be sure to properly seal the screw holes-i like 3m 5200-it assures you of a good bond-a good tip is to spray water onto the surface of the 5200-it will speed up the curing process....

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