Splining

After reeving out the cotton and pitch caulking from between each plank, the magnificent splining blade …

… is put to use to create an angled slot between planks …

… into which is fitted long flexible wedged oregon splines …

… then epoxied and stapled into position.

Along the way, Wayne discovered the position of the original chain plates (this, the middle one of three), nearly a metre forward of their bermudan rig position:

Also, the stem has a pronounced shimmy. Unless that’s intentional hydrodynamics, it will get straightened out: