Is that an argument against an asymmetric lee hull too? Luc
--- In harryproa@yahoogroups.com.au, Rick Willoughby <rickwill@...> wrote:
>
...
> One other learning of note. From a performance perspective there is
> no point in having a centreboard or keel that has a lower aspect
> ratio than the rudders providing the rudders can be operated
> independently. One consideration for the job list was fitting a
> long keel and reducing the depth of the rudders - essentially aimed
> at reducing draft. My analysis showed this would seriously impair
> windward performance. Roughly 10 degree loss in pointing ability for
> the same speed.
>
> All sailing yesterday was without a centreboard because the brace has
> fatigued and no longer restrains the board laterally. Sailing the
> right way around was about the same without the board but sailing the
> wrong way around was faster without the board because steering to
> counter the lee helm gets the leading rudder working to windward.
> Once the rudders can be worked independently the leading rudder can
> be set to counter leeway, which will do it more efficiently than
> relying on the hulls.
>
> Rick
>