We had the rusting steel weldment in the fiberglass causing bulges on the topsides. We removed the bad steel, leaving the upper backing plate. We used G-10 to make knees which bolt to the chainplate bolts and are glassed to the hull.
You can read the full story, with lots of pictures, on our blog
Here's a few pictures for immediate gratification.
CD33 chainplate repair completed
Moderator: Jim Walsh