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Lowrance Sidescan thru hull transducer mount help

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Lowrance Sidescan thru hull transducer mount help

Old 10-08-2014, 10:03 PM
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Default Lowrance Sidescan thru hull transducer mount help

Having some difficulty deciding where to mount one thru hull transducer for Sidescan.

I cant mount the transom mount transducer because I only have 4" of space behind the transom to the leg of the outboard, so it would effectively block signals to one side.

My boat has zero deadrise in the aft. Dead flat. So I am looking into thru hull.

A couple of pics will help.

4" of room between transom and outboard leg, so no space for long sidescan.



I already have an AIRMAR 319 50/200HZ thru hull transducer mounted just in front of the wash down water pump intake. I plan to use this for the 2D on the Lowrance.




From the above pic you can see where I plan to put it. Smack in the middle of the two strakes which are 1.25" high themselves.

The pic below is from a Garmin page for its SideVu thru hull transducer mount. I cant find a similar diagram from Lowrance. The bottom right picture shows my situation.

You can see it doesnt scan the first 5deg anyway so I am thinking the strakes wont get in the way. I dont want to mount the transducer so the bottom is lower than the strakes as the boat sits flat on the bottom obviously and this would put the weight straight onto the transducer.



Pic of boat in full




Would my proposed position be okay? Dont think it would cause the signal to "clip" the strakes?


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Old 10-08-2014, 10:11 PM
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Yes..you would be fine if you use the fairing.

Old 10-08-2014, 10:19 PM
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Will the fairing block make the transducer too low but? I.e will the transducer be okay sitting up higher than the bottom of the strakes?
Old 10-08-2014, 10:45 PM
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Originally Posted by sikadog View Post
Will the fairing block make the transducer too low but? I.e will the transducer be okay sitting up higher than the bottom of the strakes?
The transducer does not shoot out sideways..more of a downward angle.
So a non fairing could work if not close to the strake.

Last edited by semperfifishing; 10-09-2014 at 12:33 AM.
Old 10-08-2014, 10:55 PM
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Thanks Semper.

What is with the Garmin picture then showing a 5deg "fan"? Is Garmin SideVu different in that area to Lowrance SideScan?

35deg would seem like quite an angle for something claiming to be "side scan". Sounds more like a wide angle downscan.

Last edited by sikadog; 10-08-2014 at 11:34 PM.
Old 10-09-2014, 12:13 AM
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I have read on the forum that the working angle of the LSS-1 transducer is 150deg.

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