Transducer mounting question

K

KYKevin

Keeper of San Juan Secrets
I'm mounting a transducer on my boat finally, and I have mounted several over the years, and until now had never been told that it had to be mounted on a certain side of the boat. The transducer that is on the boat now, was on there when I bought the boat. And according to what I have read now, it was on the wrong side of the prop wash. Have any of you had problems with this? My old antique Eagle 320 has worked fine on the opposite side it is supposed to be on, but my question would be, are these more powerful and more advanced fish finders a lot more sensitive to the prop wash, then the old? Any advice would be appreciated.
Thanks
 
Hey Kevin, usually they recommend mounting on the right hand side of a clockwise spinning prop. I have one on each side though and haven't had any problems. Try to keep it out of the line of any strakes and rows of rivets as well. Anything that causes cavitation has the potential to create interference. The new ducers are much more powerful and the screen resolution is so much better on these newer graphs, you want to bring in the cleanest signal you can to get the most out of them. Might think about mounting a piece of Starboard or old cutting board to the transom and then mounting your ducer to that. Then if you need to make an adjustment you don't have to put more holes in your boat. I'll try to remember to take a pic of my install tonight.
 
Coho975 said:
Hey Kevin, usually they recommend mounting on the right hand side of a clockwise spinning prop. I have one on each side though and haven't had any problems. Try to keep it out of the line of any strakes and rows of rivets as well. Anything that causes cavitation has the potential to create interference. The new ducers are much more powerful and the screen resolution is so much better on these newer graphs, you want to bring in the cleanest signal you can to get the most out of them. Might think about mounting a piece of Starboard or old cutting board to the transom and then mounting your ducer to that. Then if you need to make an adjustment you don't have to put more holes in your boat. I'll try to remember to take a pic of my install tonight.
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I put a piece of good thick fillet board on the side they suggest, the right side of the motor, but I like my finder on the left side, and the wires are much easier to run if I mount the transducer on the left side. But with the more powerful transducers now, was wanting to hear what some of you guys had to say first. I can trial and error and find out, but would much rather do it once and be done with it. And it has never affected this old Eagle. It works fine on the left.
Thanks for the advice on the strakes and rivets, I had not thought about them at all, It was worth a few minutes to post for sure and get these thoughts. I'm curious now if one of yours is on the left side, and if you haven't had any trouble, I will probably mount mine on the left, just because of less wire to keep out of the way of motors.
Thanks Coho
 
svivian said:
do you mind taking another picture of your Garmin 54 tranducer on the left to where i can see where it is in relation to the hull of your boat? I have the same transducer and it works well but maybe i have mine mounted incorrectly. I know you are a big Kokanee fisherman so you use your fishfinder alot.


Thanks
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Yeah, I'll get some more tonight. That one is a 56, it's about 2" longer than the 54, I had to play around with that one a bit to get it where I wanted, it's actually out of the water when I'm on plane. That's why I added that skimmer transducer on the right. It threw up such an obnoxious rooster tail it drove me nuts. I originally had it on the right side, there wasn't much room left next to that PS30, so I crowded it in a little too close to my prop, and this is what happens when you do that. That was a new prop after two days of fishing, cavitation is real!!3.jpg
 
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