Never say never. A standard transducer will, in most instances shoot thu & work ( altho with varied results ) in a smaller single layer aluminum hull boat. Radarsonics also makes a transducer for exactly that purpose.
http://www.radarsonics.com/AlumaDucer.htmQuote:
If so what should I use for an epoxy/adhesive? I would like to use something removable in case it doesn't work out.
As was asked I would try with that unit first and see what the results were and if not adequate go with a different mounting option. Silicon would give that option.