Basically I am agreeing with Glenn, I found that the boards to plan were not worth carrying. But then I decided that before throwing them away I would try adding an extra 16" [0.4m] to one "just to see.." The extra work was so little that it seemed silly to not at least try it. I also expected to lose the balance and to have to move the board farther back. But it worked just fine.

A daggerboard in one hull only has worked fine for other designers. One example is the very fast cruiser/racer Tektron 35 by John Shuttleworth.

On a typical hull with only little resistance to drift the foils / keel may be +50% of resistance so even a small movement will have a major effect. But even this board at 3 sq ft [0.3m] is only 10% of one hull area, 5% of total - probably this is why balance has worked out OK.

Interesting to hear about the Pahi 26 with bigger rudders - I had not heard about this.

Classics and Tiki's have rockered keels which increases the draught. Increased draught means deeper rudders also. TaneNui 28 for example at 1 ton draws 2" [10%] more than Pahi 31 at 1.5 tons. Or at least it does in my design booklet !! So I think some added depth would be a good thing. I think this would be a better sailer if it drew 24" or even 27" with rudders to match. But again this is only opinion - I have not seen it done.

Thanks to Frank Olsen for posting the discussion Outboard Sled Question on the main forum. In the discussion Laurent posted this picture and I have taken the liberty of copying it here where Pahi sailors will more easily find it in the future. 

Large Hatches -

I got rid of these on re-build. Almost never used and too big to make really watertight.

Do any other owners use them ?  Are they worth the building or is it simpler / quicker to leave them off ?

Is it just where I sail perhaps, they are good in hot climates ?