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Posted

I am getting ready to get my new humminbird 997 side imaging unit mounted and ready to go. So I figured I would post a couple pictures of my boat and see where you guys would recommend it being located. As you can see I have an existing sonar unit but it is old and outdated...I may leave it hooked up and move the unit to the back platform but don't let that transducer change ur location recommendation. I have a stern saver mounting kit I am planning on using with the new SI transducer. Thanks guys, your help is greatly appreciated.

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Posted

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Posted

I'm curious as to why you are in such a hurry to mount the transducer outside the boat. Both my transducers, the one that came with the boat and the one I  installed, myself, are inside and out of harm's way. This was reasonably simple with a puddle of epoxy and a day to dry. 

  • Super User
Posted

I'm curious as to why you are in such a hurry to mount the transducer outside the boat. Both my transducers, the one that came with the boat and the one I  installed, myself, are inside and out of harm's way. This was reasonably simple with a puddle of epoxy and a day to dry. 

Side imaging transducers can't shoot through the hull. 

Posted

Not to hijack this thread... But can you really just put the transucers in side of the boat? 

  • Super User
Posted

Not to hijack this thread... But can you really just put the transucers in side of the boat? 

Yes

 

OP, I could help you on a tin boat but not on yours. Sorry. WayneP should be around soon

Posted

If you pursue this topic further, please be sure to post here.  I would love to put my transom transducer in the hull but I have a hard time believing that it works.

 

 

Yes

 

OP, I could help you on a tin boat but not on yours. Sorry. WayneP should be around soon

  • Super User
Posted

Not to hijack this thread... But can you really just put the transucers in side of the boat? 

 

Not for side imaging or down scanning.  For traditional sonar, there are shoot through the hull transducers that can be installed inside.

  • Super User
Posted

J---  Humminbird Down Imaging tranducers can be used as a shoot-thru in suitable hulls just like a regular sonar transducer. The Humminbird Down Imaging transducer XIH 9 DI T comes with epoxy for that purpose.

 

A Side Imaging or Structure Scan transducer has to be externally mounted since the two crystals that produce the side looking pulses boardcast to sides. If that transducer is on the interior hull bottom the sides if it are not in contact with the hull. Marine sonar doesn't work through air.

 

emmickley, send me a picture of your transom from directly behind the motor with the motor tilted all the way up and take it at a the level of the hull bottom so I can see all of the transom. I will edit the picture with the proper location for your hull.  Additionally for your hull type and performance level, you should use a shoot-thru 2D transducer for on plane depth readings. You should be using a shoot-thru instead of the transom one you have now.

That is called installing your equipment instead of just mounting it.

Installing takes into consideration your hull's design, construction material, and performance capabilities.

 

I'll describe what it takes to get your unit to perform its best and why, when I return the picture.

Additionally don't send a thumbnail size image, make it at least 480X600 pixels resolution-larger is better for editing.

 

 

purdum43@aol.com

 

 

emmickley

Posted

You want to install the si transducer in a place that will have NO turbulence or air bubbles.  You are looking for "clean water" or laminar flow off the rear of your boat.  Air bubbles are your enemy here.  The best place IMO is the clear spot to the right or left of the drain plug and livewell drain, like right under the speed sensor. Actually I think your existing transducer is not ideally located, as well as your speed sensor.  The water is not flowing properly there to get an accurate reading.  It should be mounted so that the entire bottom of the TD is constantly under water and OUT of any turbulence.  About half of the thickness of the transducer should hang below the bottom of the boat.  The transducer mount is designed to be a break away mount in case you hit something.  I'll try to post some pics of my install tonite if I get a chance.

  • Super User
Posted

J---  Humminbird Down Imaging tranducers can be used as a shoot-thru in suitable hulls just like a regular sonar transducer. The Humminbird Down Imaging transducer XIH 9 DI T comes with epoxy for that purpose.

 

Thanks Wayne - I think you may have pointed that out to me before, LOL. My mind is not what used to be.

Posted

I mounted the transducer for my finder to the bottom of the trolling motor. When I remove the motor the transducer comes off at the same time. It is protected from impact by the skeg on the trolling motor housing.  Having had many items walk off from my boats over the years I avoid leaving anything of value on the boat that is not "nailed down" and that includes the fish finder, trolling motor, and their batteries.

  • 6 years later...
Posted

Hi all, looking for help in mounting a new transducer on a 96 Hydra sport bass boat. Original was in hull, but I have a Helix 7 mega DI I'm installing. The rear of the boat has 3 steps, the very bottom has the drain, the middle has two live well apertures.

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