[Uhehner]

Shoot thru the hull transducers work pretty well. Put your xducer in a plastic bag of water and set it in different locations in the hull. See where it works the best at speed. If you opt for a transom mount, DO NOT screw it directly to the transom. I have seen too many rotten transoms from this approach. Water leaks in around the screws and rots the wood. Better to glue a piece of 3/4" PVC to the transom gelcoat with 5200 and screw the xducer to it. On a twin engine boat I would suggest mounting it just to the out side of the trim-tab with the xducer surface about 1/4 " below the hull bottom and tilted up slightly forward. Make sure there are no turbulence creating thru hulls forward of this location. You want to have it on the propeller rotation down side. Capt. George