There was no core in that area. On my boat there was a hole in the core with an inner plastic cup with a water tight cap on the inside that was bonded to the outer skin with potter putty. It wasn't particularly well sealed and, along with leaks under the aluminum trim at the bottom of the tractor cut out, was probably a transom killer on many boats of that vintage. I began to worry about it after I'd had my boat a couple years, at which point it was about 5 years old. I opened it up and pulled out the plastic cup. The brittle Potter putty had cracked and sure enough it was leaking into the core. I opened it up and dried it out with denatured alcohol, used some Git Rot and Marine Tex to fix the rotted area. I epoxied a PVC female threaded fitting to the outer skin large enough in diameter to enclose all the 1/8" drain holes and sealed the OD with Marine Tex. With the screw-in male plug and a Phye plate to cover the whole thing it was still water tight and functional.
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10-23-2017, 10:54 AM
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