Swing keel clunk

[chris_the_wrench]

We obtained an older potter 15 last summer and have gradually been refurbishing it as we sail it more and find the next needed repair.

Question: we experience some severe side to side clunking when we encounter a swell or wake at any point beyond nearly straight aft or fore. I assume the swing keel slams into the centerboard trunk with every side swell.

Anyone have a solution?

Thanks