First post, first questions. I've gone through the really good content around hull flexing, trailer damager, re-coring ("The Core Project"), etc. I have a new-to-me 1992 Daysailer with about 1.5" of hull flex on the port side over the trailer bunk. Starboard seems much more rigid with no major deflection while sitting on the trailer. It looks like the previous owner smeared 5200 on longitudinal cracks or scrapes above the port bunk on the outside of the hull and in the cockpit sole above the damage on the outside. To me, this seems like they were trying to address some trailering damage or otherwise heavy load being placed on the port side while the boat was on the trailer. The is a large semi-circular craze with a similar repair on the port side seat. I'd like to address the hull flexing and carry-out a proper repair for the cracks I anticipate finding under the 5200 repairs.
To that end, does anyone have knowledge of: What's between the cockpit sole and outer hull of the Sunfish-Laser Daysailers? Balsa laminating into the hull?
Is there a void between the hull and the sole? Are there reinforcing stringers present? Floatation foam?
My initial path forward was going to be removal of the cockpit sole, removal of anticipated rot, adding stringers with a few layers of fiberglass to the inner hull, and installation of a new fiberglass floor if the old floor could not be salvaged. Then I thought I could just install inspection ports similar to the ones on the DS-2 to get a visual of what's under the sole. I thought I could possibly inject polyurethane pour foam through holes drilled in the cockpit sole. I know I am getting into a tremendous amount of work if I remove the sole, but without knowledge of what's inside I don't know if the pour foam approach will be enough to stabilize the hull.
Poke holes in this approach before I poke holes in the boat - that's why I'm putting it out there.