As promised, I got started on the stringer/floor work today. Earlier, I replaced the transom - and had only removed the rear foot or so of the stringers.
This boat also had these side "pods" on each side (advertised back in 1969 as a place to put your water skis, other junks so it doesn't roll around the boat. In reality, I think they were there as a bit of extra support (the vertical parts are effectively extra stringers), and to hide some flotation foam. They were completely rotten:
The foam inside was soggy, and I discovered an entire ecosystem of bugs and other things living in there! They are now gone...
Also, my earlier plan was to just replace the rear 4' or so of the stringers (as they had been previously replaced), and only the last couple of feet were now rotten because they had drilled drain holes through the stringers and left them unsealed. As I started cutting the glass around the rear 4' of stringer (they had used some very heavy, coarse roving type fabric), I decided to pull up just to see how well it was bonded to the hull. Turns out it just pulled off like a loud rip of velcro...
I also noticed that the glass wasn't bonded at all to the stringers. Appears that some genius had used cedar for the stringers. Poly resin doesn't stay bonded to cedar. So... I decided that I would just pull out everything and replace the stringers completely. I really don't want to do all this work and leave something questionable in there!
I cut the glass covering the stringer, near the top of each stringer, with the grinder/cut-off disc the full length of each stringer. I then peeled the top off of each stringer - the glass just peeled off easily.
Then - just for kicks (my dad happened to be watching), I went to the back of the boat and lifted on both stringers (one in each hand) - not expecting that they would move as they were still completely glassed in on both sides. Instead, they just popped out - full length, bulkheads and all, in one piece! Like I said, poly resin doesn't stick to cedar. At all...
A bit of cutting with the grinder and this is what I have now:
