If you up your post count so that you can put up some pictures that would be helpful... There are several Sabre owners about that will hopefully chime in here, but even so pictures would help.
Welcome to Sailnet btw..
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)