Floydo: the portable unit I have has a suction cup 'ducer on a cable and coils and stores in the "case" with the portable display. I mount in on the transom outside just like in the same location where you would mount a permanent transom ducer. Key is to brush or scrub the location clean so the suction cup stays put.
Re: Re: Re: Re: portable sonar/fishfinder for rental boat
Floydo - no need to do that, I'd just lean over the back, scrub the spot the best you can then mount the suction cup and away you go, at least for slow speeds.
Re: Re: Re: Re: Re: portable sonar/fishfinder for rental boat
so the suction cup is above the water line. does the transducer itself end up below waterline the way it's designed ? or are you saying ok to have transducer itself above the water line if you are going slow?
thanks
meanwhile .........i see a rental shop in marathon fl has a 20 foot mako with sonar, livewell, etc. $197 for the day.
Re: Re: Re: Re: Re: portable sonar/fishfinder for rental boat
saw a related tip in field and stream. attach transducer to a board and u-clamp the board to the transom so that the ducer is under water and below turbulemce. in the case we're discussing ( portable sonar with suction cup connection), i guess the board would have to be plastic or polyurethane coated.