[MHml] CLR of LAR keels

[Clifford Bradford]

The  answer to this question is to have Daz figure it out! After all he 
design the things. :-)

Tony MS wrote:
> I'm planning to replace the dagger boards on my Dazcat 9.2 with LAR 
> keels, as being more appropriate for the cruising we do in our old age.
>
> The balance at present is perfect, so I want the new keels to be 
> equivalent, and, in particular, to have their CLR in the same position 
> fore and aft. The design book I have (Larsson and Eliasson) states that 
> the CLR of a foil is 25% of the chord back from the leading edge. If I 
> use this rule, the centroid of the new keels is, of course, way aft of 
> the original dagger boards.
>
> Can anyone please advise whether I'm right to use this 25% rule, or is 
> the CLR of a low aspect ratio foil possibly further aft within the foil, 
> so that the LAR keels don't have to go so far back?
>
> Regards
>
> Tony
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