[Public-list] hull thickness

[brooks.glenn at comcast.net]

The inside tranducer I have on board works well out to 200 fathoms. The ones I've had before all worked well in thicker hulls--even up to 1" fishing boat--the only restriction in shooting thru a thicker hull  is  a bit of signal loss--instead of reading the bottom at 1200', maybe it will only read to 1000'.  Shouldn't be any problem at shoal depths. 10 fathoms and beyond 

regards

Glenn Brooks
S/V Dolce
 -------------- Original message ----------------------
From: The Rochets <rochet at shaw.ca>
> I  am interested in the Raymarine ST40 depth sounder. It comes as a  
> package with a thru-hull transducer, but I want to install it in a  
> waterbox, in-hull. Raymarine has assured me it's OK to use the  
> supplied thru-hull transducer as an in-hull as as long as the hull is  
> no thicker than 1/2". Do we know what the thickness of the hull is  
> under the cabin settees about 6" away from the center line (that's  
> where I am thinking of installing the transducer)?
> 
> I know the answer to this question is somewhere in the list archives,  
> but I am having trouble searching the archives. A simple search  
> returns no hit regardless of the search term, including terms like  
> "coamings" which I know have been discussed fairly recently. I also  
> tried a Google search within the archives domain (http:// 
> lists.alberg30.org/pipermail/public-list-alberg30.org/); I have used  
> it this method before, but right now this doesn't work either. What  
> am I doing wrong?
> 
> Thank you.
> 
> Bernard
> Sunswept #608
> 
> 
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