Hopefully this is the cure. I installed the Transducer Shield Spring Back Bracket on that big transducer. It is suppose to eliminate the flip-up annoyance at high speed and also reduce or eliminate the rooster tail spray. I posted some pictures in the aluminum boat section of the bracket installed on my 2011 Lund 1850 Tyee.
If it does not work I will sure let you know. Now if we can just melt some ice around here!