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  SONAR: Using In-Hull Transducer on a Boston Whaler

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Author Topic:   SONAR: Using In-Hull Transducer on a Boston Whaler
cban posted 05-02-2007 11:57 AM ET (US)   Profile for cban   Send Email to cban  
I just bought an Eagle SeaCharter 642c iGPS Dual Frequency GPS/Sonar combination unit. Now I need to install it. The directions indicate the transducer can be mounted on the transom or you can use a "shoot thru the hull" installation. To install the "shoot thru the hull" installation, you carve out a small amount of the hull, put in the transducer and then seal the area with a sealing compount. Has anyone ever installed a transducer this way? Any thoughts on how effective this type of mounting might be?
Buckda posted 05-02-2007 12:01 PM ET (US)     Profile for Buckda  Send Email to Buckda     
I would be very hesitant to cut a hole in my Boston Whaler for this purpose.

4 screw holes filled with sealant for a transom-attachment are a much better option, in my opinion.

cban posted 05-02-2007 04:21 PM ET (US)     Profile for cban  Send Email to cban     
That was my thinking as well. It would undoubtedly be a nicer overall setup to have the transducer mounted internally, but I don't want to compromise the integrity of the hull.
jimh posted 05-02-2007 09:11 PM ET (US)     Profile for jimh  Send Email to jimh     
This has been discussed often. There is an entire article devoted to this topic in the REFERENCE section. See

Only certain models of Boston Whaler boats have been molded with special pockets or recesses in the hull which are intended to provide a location for mounting a SONAR transducer in the hull. Almost universally a transom mount transducer is used with a Boston Whaler boat.

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