Nav wrote:

OzOne wrote:

On Tue, 29 Jun 2004 10:45:12 +0930, Flying Tadpole
scribbled thusly:



OzOne wrote:

On Mon, 28 Jun 2004 17:05:18 -0700, "Jonathan Ganz"
scribbled thusly:


I'm sorry... I was thinking catamaran/trimaran....

On the multis when it gets really tough, the centreboard/boards are
pulled up to save them, allow the boat to be pushed sideways and to
stop it tripping over the boards.


And indeed, I was always told, by my designer among others, that
that is also what should be done in centreboarders in those
conditions.


Whhhh oooeeee Baby...now that would take some balls!


Then again pulling it partially up would work.



I'd suggest a bolger box design will likely trip over the chine anyway
caught broadside so a little bit of plate down won't make much
difference and certainly help keep some direction...


I'd suggest you're suggesting partly incorrectly. The deep-dug
chine is probably only drawing a couple of feet, bit more, at
most, ie very near surface and in the water (breaking wave) which
is actually moving bodily, so there's not going to be much trip.
The full board OTOH would be drawing ?5 feet or so, with the
potential dire consequences that Oz originally raised, and in
relatively stationary water, so readily trippable. A bit of board
down ends up like the chine, a non-tripper (or not much) because
it's in the surface, moving water. Yes, it'll help the direction
but everything will still slither away from the breaking wave
rather than knock over and break the board.

I have tripped Lady Kate badly, in the early days, but in that
case hit a mudbank with the board fully down and hard on the
wind. No structural damage. Lots of cleanup. I don't plan to do
it again.

--
Flying Tadpole

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