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Re: Starrett-Jenks Morgan45 info-opinions
As to the effect of this sort of design on ease of motion in a seaway I will have to defer to those real sailors with more experience than me. In theory, I would say yes. Because the hull form does not change abruptly at the waterline, it's behavior in varying conditions of submersion, pitch, roll (heel), even overloading, stays much the same. The Prismatic coefficient does not change much. In mathematical terms the immersed volume is 'self-similar' regardless of orientation.
As to why modern NAs design what they do, I can only speculate -- following a fashion trend mostly? The adoption of the CCA rule, followed by IOR and on and on did not help as it heavily penalized overhangs by including in the rated length the measurement of another waterline length some distance above the actual Lwl. Thus the nearly plumb bows and flat transoms of the Cal 40 and her ilk.
I could go on but this is not the place for a rant about yacht design.
Just enjoy yours -- she is one among the very best ever.