Originally Posted by Mechsmith
Mine does not go through the hull. It shoots through the fiberglass. The flange was simply glued to the hull and the transducer mounted into the flanged part with the threaded knurled cap. No through hull required. This is the same way it worked with my new depth sounder in another boat.
I thank you for the reply, Mechsmith. I'm trying to process the idea that you're putting forward, but am unable to picture how the sensor or sensing apparatus would meet the water.