BWCA Transducer & Northwind 17' Canoe Boundary Waters Gear Forum
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Peeksville
  
04/14/2021 09:09AM  
Hi all -
I apologize if this has been posted somewhere but I am wondering if anyone has personally tried to shoot thru the hull of a Northstar Northwind kevlar canoe? The canoe does have a foam core, but there is room in front of the front seat (where i will primarily be sitting) to put the transducer where the foam is not present. We are renting the canoe and have a limit on gear weight so I would prefer to shoot thru vs bringing in an arm mount and clamp. Any help is greatly appreciated. Thanks!
 
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saltdog
distinguished member (191)distinguished memberdistinguished memberdistinguished member
  
04/15/2021 08:32AM  
We have used a Northwind canoe the past two years and have "shot" thru the hull. Our unit is set up for the stern paddler to use so the transducer is placed under the seat of the rear paddler. You could do the same up front as long as you avoid the foam core
 
Peeksville
  
04/15/2021 08:51AM  
saltdog: "We have used a Northwind canoe the past two years and have "shot" thru the hull. Our unit is set up for the stern paddler to use so the transducer is placed under the seat of the rear paddler. You could do the same up front as long as you avoid the foam core"


Thank you saltdog! that is what i was hoping to hear! Do you have any advice on using water vs ultrasound gel vs anything else under the transducer? It is a rental canoe so I do not want to leave any sign or residue behind. Thanks again!
 
04/15/2021 08:12PM  
I just let it sit on the bottom of the canoe with a little water. There always seems to be a little water on the bottom of my canoe. Seems to work just fine. As Saltydog said put it far enough back under the seat so you aren’t over the foam core.

T
 
goetzc
senior member (52)senior membersenior member
  
04/15/2021 11:15PM  
I’ve had good luck setting the transducer on top of a sandwich size ziplock 1/3 full of water and no air. The ziplock molds itself to the shape of the hull and transducer sits on a small cushion of water.
 
mgraber
distinguished member(1486)distinguished memberdistinguished memberdistinguished memberdistinguished member
  
04/16/2021 03:45PM  
It will work fine as long as you are ahead of the foam core. Since you will be in front, it is unlikely there will be water on the floor. The baggy method that goetzc mentions works pretty good. You MUST have water under transducer if it is not embedded in silicone or other resin, and there cannot be ANY air or bubbles between transducer and the water under the boat.
 
schweady
distinguished member(8070)distinguished memberdistinguished memberdistinguished memberdistinguished memberpower member
  
04/16/2021 08:08PM  
goetzc: "I’ve had good luck setting the transducer on top of a sandwich size ziplock 1/3 full of water and no air. The ziplock molds itself to the shape of the hull and transducer sits on a small cushion of water."

+1
 
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