After filling in original mounting holes (wings were too far forward) deck was slotted for aluminum angle stock. Bottom of angle that would be under deck was drilled & then liberally coated with polyester resin. Pieces were then fitting thru, pulled up against deck & clamped in place until resin cured. 3/8" holes were drilled on underside of hull with dowel pins pressed thru the bottom & up against aluminum for more support. The excess dowel was then cut off and sanded smooth with bottom of hull. Finished mounting is very strong.