I depends on the thickness and material of the hull.
I have one in my RIB dinghy. The RIB hull is double layer, the hull and the
inside deck. I made a hole right aft on the centerline to accommodate a bilge
pump so I had access to the bottom. I then glued the transducer to the bottom
with epoxy with a chopped fiber filler just forward of the bilge pump.
The installation is about two years old and is working well.
It works well, at least in shallow water. We never use the dinghy in water
more than 40 feet or so so I don't know how much it may hinder deep water
function.
The big boat has a bronze external transducer. It is mounted far forward on
the centerline about two feet underwater. It works up to about 150 feet.
The installation is about twenty years old and is working well. I did find
that the Lowrance X45 unit I am now using is sensitive to supply voltage dips
which cause it to go into Demo Mode. I connected to a more stable power source
and the problem stopped.
Norm
S/V Bandersnatch
Chesapeake Bay
----- Original Message -----
From: Peter Kafer
To: [email protected]
Sent: 10/6/2009 3:07:01 PM
Subject: [Liveaboard] Transducers
Does anyone have any experience with in hull type transducers, the kind that
are mounted inside the hull, eliminating the need to bore a hole in the bottom?
Are they as reliable as through hull transducers?
Peter
s/v Now or Never!
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