Quote:
Originally Posted by DonV
I do not think four separate pieces will work as described. If you want to go "wall to wall" and get the most penske you can get stuffed in the cavity why not two 3/4" pieces each cut in two pieces. The inside piece cut 1' from the left and the outside piece 1' from the right. You could then work each layer in as tight as possible still giving you a solid 1 1/2" with no seam in the middle of the transom. Each seam would still have a solid backing of 3/4" penske. Make sense? It will take a lot to trimming and dry fitting to get just right but it would still be as strong as you would ever need.
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Hi DonV- I had seen UrbanAngler post a transom project on a 20" SF using Coosa cut in four pieces to allow for snug fits along the outside edges and a solid core in the middle ( see pics of his lay up below). He used two layers cut so as to over lap all the core seems with a layer of 3/4" Coosa under a layer of 5/8" Coosa.
I have spoken to a couple materials people who've told me four pieces of 1.5" Penske butted tightly with epoxy and sandwiched between the 18 oz biaxial matt would be solid as a rock and behave as a single solid piece. I've been a little suspect since I can't seem to find a transom rebuild thread using a single sheet of core material cut, fit and epoxied in. A single piece of 1.5" with the epoxy soaked 18 oz mat on each side would be exact size of the inside dimensions of the transom and allow the skin to be adhered back on flush with the original cuts.