After You Punch A Hole In The Hull
Ahoy from good ol 3440! My Flying Scot has a neato depression just off the centerline of the hull to set the crutch when you are all done sailing. This works well for experienced folks. But summer before last we took our beautiful yellow boat all the way to Traverse City Michigan where she was the queen of the lake. But the boat ramp was mainly for ski-boats and in the hurry to cross the highway at the head of the ramp to fetch the security of the parking lot, I failed to see the limb of the Oak tree that was trespassing overhead, and you guessed it, parted my forestay. Turns out the mast on a Flying Scot is tremendously strong. Enough so that it Karate Chopped right through my boom. Really, you could hardly see a scratch on the mast. Got a new used boom. Back in business, busy losing races.
This spring I was cleaning the hull and noticed a star shaped set of cracks aft. No big deal. They will match the other thousands small cracks I have. But when I noticed small dribbles of water, I knew I was in trouble.
Today I removed a 3" round section of gelcoat, and the first layer of fiberglass. You can push on the edges of the gelcoat and glass and it flexes. There is a void between those two layers and the upper layer. Totally out of my depth here. I know I need to dry it out. But help? Is there plywood core this far back? I don't seem to see any. Should I just pack the void with stranded glass and gelcoat the surface? Is that a good fix? Any thoughts would be appreciated.
Further: I removed more of the exterior. There is a large 3/16" gap between the outer glass and glecoat and the inner hull. Bilge? There is some small amount of waterlogged dis-integrated plywood in this space. There is a 3"x3" section of thick Glass, perhaps thrust bearing below the crutch socket. Since this bit of plywood is shot, does this mean that all the plywood is wet as well?
Any suggestions for investigation or repair is appreciated.