The keel fin has now been fibre-glassed into the hull & reinforced with woven glass mat and the forward bulkhead (in fact the ONLY bulkhead) that sits under the mast has been reinstalled & epoxied into place.
Keel fin & forward bulkhead
Next job is to finish off the design of the new 3D printed Servo Tray and get that fitted so I can see where the keel fin bracing needs to be installed.