: I know that, just making a point. Apparently fine ends have less resistance.
: They also can go through waves instead of being lifted over them.

: Curlew is rather fine ended. The worst I would be out in here is probably 3'
: chop and only if caught in a storm. Rarely we get bigger waves but it
: takes STRONG winds. I was concerned it would try to go through instead of
: over but I was very pleased with the way it performed in a storm waves.
: There was just enough flare at the deck to lift it over nearly ever wave.
: Very little water over the deck to my surprise.

If you bend a long flexible object like a sheer plank around a center form it takes on a fine ended curve which I believe is a hyperbola. I use that method when building my canoes, rather than make a whole lot of forms I only need one. If you measure the slope (tangent) of the diagonal from the edge of the form to the stem, multiply by 1.5 you get the slope of the half-angle at the stem. I find this usefule as I know what angle to plane the stem at.