8136Re: [bolger] Re: Doubling the Scooner Revisited - structure
- Nov 1, 2000The bottom line is that wood is lighter than water in most cases.
Unless you are using one of the very rare and expensive timbers
that dont float, thickening the bottom strengthens your boat without
However it may lower the boats center of gravity which i suppose could
be cited as a "ballasting' effect.
I have a dory hulled catamaran design with a 25mm ply bottom...the
reason for it is it is a main structural element, it is both sole and
and I want it to be capable of taking a bit of a gouge if beached
where a rock shouldnt be but often is.
This bottom is carefully bevelled to take the sloping sides.
I reckon this sort of thick bottom, with 9mm ply sides
and 12mm bulkheads can do without chine logs.
Just an epoxy fillet inside after glueing.
> > <<She is ballasted by a very thick (1 1/2")wood bottom.>>sailing
> > Is there any reason the same idea shouldn't apply to a small
> > skiff---to use heavy ply for the bottom?Bolger rules!!!
> I think the reason is that it makes the boat heavier when it is on
> land. And cost more, of course.
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