I have been considering all summer whether to increase the size of the centerboard or not. I have a window of opportunity and went with it.   The pre-op went well and yesterday the surgery got going in earnest. The picture shows that the aft end of the trunk has been removed and part of the cockpit sole was taken out to allow for working on the inside of the trunk extension and the slot has been extended. The top edge of the picture shows the beginning of the scarf cut into the trunk cap. The