Does anyone on the list know how the C&C centerboards are built? They
apparently are a F/G shell with lead shot /sheet placed inside. But what
filler was used? Are they filled with foam, epoxy or some other material. My
reason for asking is as follows: when the C/B was lowered this spring to
receive it's annual coat of bottom paint, a significant area of delamination of
a layer of glass was present on each side of the board running parallel to the
leading edge and about 8-9" aft, separating toward the leading edge of the
board and getting thicker as it progressed toward the fore. The delamination
was a smooth joint ie. like a cold joint of a layer of cloth with smooth resin
surface had separated. My concern then, is this separation the result of water
infiltration or simply age and a poor bond for a layer of glass. The boat is a
1986 C&C 41. If the board is solid then the repair is simple. But if the
board is hollow (unlikely I hope, since its supposed to sink) then the water
entry point needs to be found and the repair gets complicated.
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