24''from keel to top of sheer at center, 20 '' at the bows. 10 to
12 ''draft.

Todd


--- In proa_file@yahoogroups.com, vectorges@... wrote:
>
> You gave a lot of dimensions in the write up. What is the height
of the sides?
>
> Thanx
> George
> Conway, SC
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>
> -----Original Message-----
> From: valery19772000 <valery19772000@...>
> To: proa_file@yahoogroups.com
> Sent: Wed, 24 Oct 2007 7:27 pm
> Subject: [proa_file] Re: flat bottom proa with no rocker
>
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> Very nice traditional proa. never realise that you made this
>
> nice proa. how well and how fast was it sailing. what was the
>
> pros and cons of the traditionnal stye?
>
>
>
> --- In proa_file@yahoogroups.com, "Todd" <bitme1234@>
>
> wrote:
>
> >
>
> > I did my first proa in 2003 with a flat bottom P.C .46 and
>
> narrow
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> > 12''w @ keel and sheer.
>
> > http://www.duckworksmagazine.com/03/r/projects/korkor/index.
>
> htm
>
> > http://www.duckworksmagazine.
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> com/04/s/projects/korkor/update1.htm
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> >
>
> > With a traditional rig sail set forward I never had to step
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> any
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> > furher than a foot back off the plateform to get it to bear
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> away
>
> > from the wind or use the steering oars. In the pics I'm
>
> still on the
>
> > platform. Or if need be a foot to windward off of main hull
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> onto
>
> > platform to slow boat speed and spin to windward. In a
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> slight breeze
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> > I could stand on the lee platform also unweighting the ama.
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> Wierd
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> > feeling standing over water with nothing to the lee watching
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> water
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> > rush by you.
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> >
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> > On a hull so narrow I don't think it would really plane but
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> then
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> > again do Hobie or prindle beach cats plane?
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> >
>
> > Depending on the length your hull is 24 to 1 length to beam
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> ratio
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> > and weight you want the hull to carry. I think you can get
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> close
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> > enough to not notice wetted surface area unless you build
>
> identical
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> > hulls one square one round.
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> >
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> > The longer you go the more buoayancy you get reducing wetted
>
> area
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> > and preventing the use of the hull to be used as your
>
> lateral
>
> > resistance for a given weight. Hull will not respond to
>
> weight shift
>
> > no matter how far back you go.
>
> >
>
> > Todd
>
> >
>
> > yahoogroups.com, "Rob Denney" <harryproa@> wrote:
>
> > >
>
> > > I tried this on U (see articles at
>
> > http://www.harryproa.com/archives.htm)
>
> > > The boat tended to sail on the front part of the rocker,
>
> never
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> > looked like
>
> > > planing. There is also the issue of the turbulence around
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> the
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> > submersed and
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> > > inclined chine and the added wetted surface. May work
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> if you
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> > can get
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> > > enough weight aft, but I doubt it will be as quick as a
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> semi
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> > circular
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> > > section.
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> > >
>
> > > regards,
>
> > >
>
> > > rob
>
> > >
>
> > > On 10/24/07, Robert <cateran1949@> wrote:
>
> > > >
>
> > > > Any thing will plane if you go fast enough but 24:1 is
>
> > definitely
>
> > > > skinny displacement mode for any speed expected under
>
> wind,
>
> > > > Robert
>
> > > > --- In proa_file@yahoogroups.com <proa_file%
>
> 40yahoogroups.com>,
>
> > > > "valery19772000"
>
> > > > <valery19772000@> wrote:
>
> > > > >
>
> > > > > I would like to know what would be the pros and cons
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> of a flat
>
> > bottom
>
> > > > > proa with no rocker or very littleand a hull ratio of
>
> about
>
> > 24/1.
>
> > > > >
>
> > > > > Would it go on a plane? anyone tried or have
>
> experience?
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> > > > >
>
> > > > > Look forward for your reply
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> > > > >
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> > > >
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> > > >
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> > > >
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> > >
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> > >
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> > > [Non-text portions of this message have been removed]
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> > >
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>
> [Non-text portions of this message have been removed]
>