Centroid of submerged body is COB. The centroid of flotation is the barycenter of the waterplane area.
You need to manege the total COG so that it is at the same distance from transom than COB.
Forum posts represent the experience, opinion, and view of individual users. Boat Design Net does not necessarily endorse nor share the view of each individual post.
When making any potentially dangerous or financial decision, always employ and consult appropriate professionals. Your circumstances or experience may be different.