Ok, here is my idea. I have read lots of the threads that talk about
first sticking a piece of PVC tubing to the hull and then putting the
transducer into a puddle of some kind of goo while magicly getting all
the bubbles out. SO, why not take time to mount a slightly larger
piece of PVC trimed to match the shape of the two hull halves at the
center line. This piece would have a small drain cock mounted near the
bottom for us cold weather types. The transducer is then mounted to a
cap (threaded?) (glued top side of the trasnducer to under side of the
cap) that screws lightly down over the piece of PVC stuck to the hull.
Of course, the whole thing is filled with water, and could even have a
small amount of wetting agent of some type included to get rid of
bubbles quicker. There could also be a large rubber ring to form a
seal at the top. Maybe even get fancy and put in a fill-er-up valve of
There could still be bubbles on the face of the transducer, but they
would not be permanent bubbles. If the transducer needed to be
replaced, only the cap needs to have goo cleaned off and that does not
need to be squeeky clean.
Might be a detail or two left out, but would it work OK and be a
simpler way of mounting and eventually replacing the transducer?
George Istok - Anejo
1963 Columbia Challenger #5
St. Joseph Michigan