The void was between the core and outer skin. Two layers of 3/4" Coosa epoxied together and then bolted in place. I laid down what I thought was a thick enough layer of thickened epoxy on the skin before butting the Coosa in to place. I even had squeeze out around the edges and a couple of holes so I thought I was mostly good. Wrong. I am glad I inspected and got all the failure out. Would have been nice if it worked the first time. I think I have a picture from the transom core install.
I will try laying down extra glass and taping the unsaturated edges in place. Fingers crossed.
I have had no problems with the medium hardener. As cool as down to 50 with a heat lamp overnight and as warm as 80's. I just mix a smaller amount so I can spread it all before it starts to kick when warm out. No issues with being too sticky or not sticky enough until today. Oh well, tomorrow's another day. I still need to finish filling in all the spider cracks are ground out in the hull bottom and then sand smooth. Mostly done with that unanticipated project. One grind out lead to dozens of feet of grinding.
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