Although the Great Auk does have a rounder bottom, it also has more flare above the waterline. This gives it better final stabilty. Better initial stability comes primarily from greater width.

If you reduce the width, the overall stability will go down.

> How different are the handling characteristics between the "Guillemot"
> and the "Guillemot Play"? From the study drawings (flipping
> pages in brochure) it looks like the "Play" is wider, lower,
> and shorter than the "Guillemot", with a very similar shape
> to the bottom of the hull.

> You advertise the Great Auk as stable, which I find a little
> surprising due to its rounder bottom (much softer chines), in spite
> of its greter width (24 vs. 21 or 22 inches).

> What would the Great Auk handle like if the beam were reduced
> to 21 or 22 inches and length to 16 ft ?

> Having access to an extremely powerful CAD system, I could put
> in offsets (the tedious part), and then reshape them electrons any
> old way I want.