--- In harryproa@yahoogroups.com.au, "Gardner Pomper" <gardner@...> wrote:
>
> I could match the screacher based sail area if I had telescoping masts, or if I had a double ballestron rig. Any feedback on those two choices?
>

Hi GP,

The balestron rig minimizes sheet loads, reducing hardware, weight and cost.  You might consider something like the MI-6  rig which is designed to be in 2 parts.  A 12 m mast on a 2 m stub (plus the length that's buried in the hull) should give you the sail area you're looking for with a fully battened elliptical main and a small jib.  This provides a single rig that will break down to fit in a shipping container that's easy to handle, light and inexpensive; all relatively speaking of course.

Jim Michalak has info on sail calculations, righting moment here:
http://www.boatbuilding-links.de/Jim-Michalak/sail-math-and-thoughts-of.html

 

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