Eric, thanks for all the advice I plan to add two more bulkheads to both hulls in front of the main beam. Also I will add another stringer in the high stress area.

But, my hulls had nothing broke loose, but airborne's old hull had lots of stringers broke loose. Now that I have removed the decks I a am realizing that my boat was pretty sound inside, but that is okay. It will be nice to have the added confidence in the hulls.