I wonder why deck planks are only nibbed at the bow and never at the stern. There's probably a good reason, but by the same token why are the planks even nibbed at the bow to begin with? This may be one of those questions whose answer is obscured by time.

Richard :xrolleyes:

Hi Richard,
To quote:Nibbing is used to avoid pointed or, feathered edges. Deck planks are nibbed this way to resolve the problem of straight-laid decking which must end securely along the curved lines of the covering board (plank sheer or margin plank as often called). Nibbing at the bow is more common because of the sharper curvature then at the stern. Also, cutting notches on the margin plank (that will receive the nibbed plank ends) makes curving the margin plank around much easier. A margin plank with notches is easier to bend. Nibbing also makes caulking more efficient.John