Is the hull of a '76 cored or all fiberglass? I just bought a new depth guage and would like to mount it up in the v-berth but I am not sure what the hull material is and for that matter if the transducer will sound thru the hull. Thanks
if you can reach the bottom and flood the area with 1-2 inches of water, just set the transducer in it and see if you get a reading. the hull prob is solid glass/mat etc.
On my 222 I mounted my transducer inside the hull. I tested both the location and wether or not it would work through the hull by putting the transducer in a large zip lock bag. This way you can get it right up to the hull in water without flooding your boat.
Joe I mounted it with silicon. I used a transducer to thoot through the hull. I used it all last year and had no issues with false readings. I am using the Raymarine St40 system.
Thank you for the info Peter. I've been thinking of getting one for my boat and that would be where I would mount the transducer too. I'm going to check out the Ray-marine ST-40. Thanks again.Joe
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