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Glue in transponder

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Sea-nile
Deckhand

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3 Posts

Initially Posted - 04/08/2020 : 12:00:34

Can a Hawkeye glue in transponder work in my 84 Cat 25 swing keel?

dmpilc
Master Marine Consultant

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USA
4593 Posts

Response Posted - 04/08/2020 : 14:49:06

I had a lot of trouble with a Hawkeye and returned it. Ended up buying an inexpensive Eagle Cuda brand fishfinder from Bass Pro on sale. Mounted the transducer inside the boat right behind the swing keel trunk using the toilet wax ring method. Never had any trouble with it. All I used it for was as a depth finder.
If you already have the Hawkeye unit, you could always try it first.
If you don't know what the toilet wax ring method is: Buy a toilet wax ring, pull off about 1/3 of the wax and form a patty with it being careful to not get any air bubbles in the wax. Place the transducer carefully in the patty and press the patty lightly against the hull where you want it to be. Plug in the transducer and and power it up. Begore doing this, you mighty lower the transducer into the water outside the boat and test it first and get a reading. Then compare to the reading from inside the boat. The Hawkeye I returned would not read outside the boat.

DavidP
1975 C-22 SK #5459 "Shadowfax" Fleet 52
PO of 1984 C-25 SK/TR #4142 "Recess"
Percy Priest Yacht Club, Hamilton Creek Marina, Nashville, TN

Voyager
Master Marine Consultant

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USA
5232 Posts

Response Posted - 04/08/2020 : 19:10:14

David P,
It sounds like you received a defective unit. Perhaps they built that one on Friday afternoon...
I purchased a Hawkeye 6 or 7 years ago after my built-in Catalina depth meter died. I kept the old housing and mounted the new display inside. I ran the transducer down into the bilge under the quarterberth to �miss� the keel structure. I mounted it using the wax ring method. Took a little finagling and first time I did get air bubbles in the wax. It was about 85� or 90� when I installed it, which was way too hot a day for the wax. Was super iffy.
2nd time was a charm. Works well except on a very soft mud bottom

Bruce Ross
Passage ~ SR-FK ~ C25 #5032

Port Captain � Milford, CT

Sea-nile
Deckhand

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3 Posts

Response Posted - 04/09/2020 : 08:54:36

Great info, thanks
I was going to use the wax method, the specs say �glue in� so I wanted to be clear on what I was going to do.

Thanks again

Captmorgan
Navigator

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USA
220 Posts

Response Posted - 04/09/2020 : 20:43:26

Wax method worked great for me. I have a Garmin 741xs with a transom mount stuck in the toilet bowl wax ring , remolded of course

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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.