Indeed, I too am trying to make sense in what is still a bit of a chaotic situation. The various blogs en press releases seem to conflict sometimes. I just picked what seemed most likely at this moment.
With respect to game changing, whether the nacra 20 c. Is a game changer in elapsed time or not is largely meaningless with respect to curved foils. Right now it does appear that the clear performance of the nacra 20 c. is far more the result of typical specs like sail area hull length etc. Then the curved foils. Other wise the texelrating wouldn't be doing a good jobs of scoring the fleet.
Indeed, all to advance an enjoyable discussion.
I do agree that the F20 C's performance is about the whole rather than an individual aspect of the design, but as far as I am aware that initial board development came first and the rig and hull shape design followed to work in unison with the boards.
