> I don't think it is necessarily true that a hard chine boat has greater
> stability. It has greater *initial* stability, but a rounded bottom has
> more *secondary* stability. (Somebody can correct me on this.) So the ease
> of rolling would depend on what degree of rotation you are talking about.
> It would be easier to start the roll in a multi-chine boat, easier to get
> it totally flipped over in a hard chine boat, and the shape of the deck
> would determine the ease of rolling for the upside down portion of the
> rotation. In any event, my guess is that hull shape has a negligible
> effect on rolling, so the choice between hull shapes should be made on
> other criteria.

> --Will

Pygmy's Web site, www.pygmyboats.com, has a side by side comparison of the hard-chined Arctic Tern vs. the multi-chined Coho. There's lots of detail and specs if you want to really get into the differences. The link is www.pygmyboats.com/comparison.