Hummingbird helix 5 / Lowrance Elite fishfnder mount extenstion

I designed this mount to bring my Hummingbird fishfinder closer to my seat in my Old Town Predator Minn Kota edition, approx 6" (15 cm). It replaces the accessory mounting panel on the MK pod (same setup as the utility Pod). The RAM mount is kinda pricey so I thought I would try this approach. Its a work in progress. I use a steel spring to spread the arm halfs apart at the lower end for adjusting the angle. I use a 1/4" bolt and nut on each end joint so it can't come off the mount while it