Mike — part of the reason to use a backing block is to make sure you have a
flat spot in the rounded hull to mount the transducer; it’s not so much for
reinforcement. It also gives you more of the shaft of the transducer to seal
with whatever goop you use as a sealant; I use LifeSeal when I ins
Hi gang,
Last fall I wrote about removing my depth sounder as water was leaking in. It
was a traditional external depth sounder with a mushroom head. It was held in
place with a locking nut that screwed down against a wood backing block.
I dug out the rotten wood and ground down all the gla
