: - Looking at the sheer, I'm not sure how easy it's going to be to build to
: that shape. The sheer curve gets determined basically by the way the
: gunwhale stringer bends: you can't just draw any line you like and expect
: it to magically end up like that. It's a small diagram but the sheer seems
: to be much more curved in the bow than the stern, implying a twist in the
: gunwhale. Possible but not trivial.

No problem at all with the shear. Just add wedges to the gunwales at the bow to increase the shear, See Mark Starr's book for discussion of this method.

: - In a more subtle vein, looking at the bow and stern sections, the bow
: section appears sharper than the stern section for a longer distance from
: the knuckle. That together with the rocker looks to me like it might be a
: problem: it almost looks like the hull has a built in skeg at the front
: rather than the back.

The overhang at the bow is longer than at the stern, so some of the sharp sections will be out of the water most of the time. I don't think this will be a problems.

Ralph