Subject: [harryproa] Re: Design your proa
From: "tsstproa" <bitme1234@yahoo.com>
Date: 5/23/2011, 7:00 PM
To: harryproa@yahoogroups.com.au
Reply-to:
harryproa@yahoogroups.com.au

 

How so ?

In what conditions?

and at what cost?

Cost to benefit analysis.

Having four blades interconnected to work as one sure does have some merit in the way of handling ease and shallow draft. If it did work using all four of same size blades on Gardeners design. What would be the draw back. Would it even be noticed if there was a draw back.

Todd
--- In harryproa@yahoogroups.com.au, Arto Hakkarainen <ahakkara@...> wrote:
>
> four blades also get four tip vortex.
>
> Arto
>
> On Mon May 23rd, 2011 9:21 PM EEST tsstproa wrote:
>
> >I see, So shallowest possible draft while retaining overall helm balance in most wind cinditions.
> >
> >I would say Instead of the long shallow stub keel have you thought about using four steering blades instead of two? Have two leeward with two to windward. Might be able to gain a shallower draft with the four boards.
> >
> >Todd
> >
> >--- In harryproa@yahoogroups.com.au, Gardner Pomper <gardner@> wrote:
> >>
> >> This seems like a thread that might be able to answer a related question
> >> that has been nagging at me for a while. I am mostly concerned with how
> >> shallow the water can be for practical sailing (this would be, for example,
> >> cruising off the south tip of florida, inside the florida keys).
> >>
> >
> >
>

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