I have a deep V boat and there is a speed "Threshhold" if you will. UNTIL the boat reaches a Comfortable speed..just "over the top" on plane..22-23 mph in my case...you are just plowing water. If I feel my speed is excessive ....at that point.. On Top..for whatever reason.. I SLOW down considerably to OFF Plane to maybe 7 mph. There is NO In-Between for an experienced skipper. PLOWING for me is NOT an option. I'm either ON Plane or I'm going 7mph or less.
SO: If she was Plowing..the BOW would be elevated and have struck higher than the top of the granite slab....so the upper part of the bow would have remained Intact and passed over the top of the slab.
My rememberance of the granite slab (Impact point) is a perfectly verticle rectangular slab..now I'm guessing...maybe 15-20 feet across and maybe 5 feet off the water at the top....which was horizontal. It almost seemed to me............it had been placed there by Man....But of course it was not...and she hit it at 90 degrees.
If she had been a few feet either side of that SLAB..she would have ended up ON the island and probably in one piece with only bruises and the boat bottom severely scraped and gouged.
Just my observation. NB
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