daggerboard strength
Recently acquired a fiberglass dinghy because I felt too gimpy at the
moment to work on my projects and I didn't want to miss the sailing
season. The daggerboard is fine, but the daggerboard trunk has had
quite a bit of damage. Has anyone ever built daggerboards that were
weakened in the fore and aft direction but not sideways, so that if
you hit a rock the board and not the trunk fails? Doesn't seem like
this would be all that hard to do. Seems like you could make them
just
a bit thicker, and then put a saw kerf at the front and back, leaving
maybe a third of the board intact, at the thickest point. Then you
could fill in with something that had no strength. Alternatively,
you could put in a bunch of vertical cuts so that you have a
bunch of shallow beams instead of one deep beam in the fore and
aft direction. Maybe someone else has a better idea?
moment to work on my projects and I didn't want to miss the sailing
season. The daggerboard is fine, but the daggerboard trunk has had
quite a bit of damage. Has anyone ever built daggerboards that were
weakened in the fore and aft direction but not sideways, so that if
you hit a rock the board and not the trunk fails? Doesn't seem like
this would be all that hard to do. Seems like you could make them
just
a bit thicker, and then put a saw kerf at the front and back, leaving
maybe a third of the board intact, at the thickest point. Then you
could fill in with something that had no strength. Alternatively,
you could put in a bunch of vertical cuts so that you have a
bunch of shallow beams instead of one deep beam in the fore and
aft direction. Maybe someone else has a better idea?