Hey Brendan, thanks for the question. In my experience pearling behind the boat comes from two distinct issues. One is someone that is a bit big for the board/wae combination they are trying to ride and so shift weight forward until the nose buries. The other, which I think you fall into, is that a too flat nose rocker can cause pearling when the board is ridden hard. The Sweet Spot, along with a number of IS boards, don't really have a nose rocker, it's more of a nose flip in the last few inches. When you are riding the board hard, as I suspect you are, you need some curvature from your front foot to the nose so that it interfaces with the curve of the wake and also away from the flats.
The Flyboy board has a definitive nose and tail rocker, although it's rather shallow. The apex of the board, the area where the nose rocker changes to tail rocker, is just about under your front foot, rather than just the the last few inches. This will allow folks to turn harder and be more agressive without jamming the nose.
That's not to say the board can't be pearled, try hanging 10 and you'll see
It isn't quite as suspectible to the pearling issue as a board with just a nose flip when riddden hard. This is a picture of Keenan Flegal on the production Flyboy that Jeff Page took from the Centurion Photo shoot, he seems able to ride it fairly hard and aggressively.
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