If anyone is out there, here is progress.
After getting it flipped and back in we did the following.
Ground out any bubbles, irrregularities, etc. and filled with cabo/epoxy. ground and then filled with fairing compound (epoxy based, a couple of kinds). We decided that we wanted a single substrate to go forward with and put a layer of 8 oz glass and epoxy on. We figured it would stabilize and minimize difference ezpansion coefficients of the underlying materials.
We puttied, faired, sprayed, superbuild, faired, superbuild and faired. We also did the hull sides with some putty and two superbulld. At the end we used a new tool, a Hutchins air to finish sanding at 80 grit.
The green is some food coloring in alcohol sprayed on as a guide coat to see low spots.
This was done with the boat on four dollys. We could wheel it in and out of the boathouse as needed to spray, wash etc. Used the golf cart for that and a block and tackle.
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