So when my wife said I could get a fish finder..apparently she didn't mean this...so I'm banned from future purchases for a month,.   (Including the kayak I wanted to mount it on...anyone got a Manta Ray 14 for cheap)?
Basically I had $0 budget to build my mount, and given the way I launch my kayak, I need a way to get the transducer in and out of the water. 
Looking back I definitely should have used thicker plywood.  Had I not been so excited to try it out I may have even measured the screws and noticed it would pop through. 
Of course I didn't RTM on the unit either, and just went out and played on the Christiana river , so forgot to enable screen images..but I did find a car 

. 
Gonna go back out later, and take a screen shot/waypoint and send to the DSP dive team... no way I am getting in that dirty water.  



