Who was Harry Schoell?

[bigshrimpin]

He's another clip from www.crhunt.com where Richard Bertram recalls strakes on the bottom of Ray Hunts boat in July 1958.
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http://www.huntyachts.com/corp_testimonials.htm

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“Knifing through those six foot seas at thirty knots, this little 23 footer stopped every sailor in the fleet in their tracks. No one had ever seen power boat performance to approach it. I know I hadn’t.

“Before the preparatory gun sounded, I made a mental note to corner Ray after the race and get to the bottom of this amazing exhibition.

“I found that “getting to the bottom” was the right place to get for the answer. Ray explained that this new design was deep vee the entire length of the bottom. Other boats had had the vee bottoms before, of course, but the vee and the deadrise diminished to a flat, planing surface at the transom. (“Deadrise,” incidentally, is the angle the bottom makes with the horizontal.)

“Ray figured if he carried the deadrise and the vee clear to the transom, pounding would be practically eliminated. He also put longitudinal strakes on the bottom to give lift and throw spray out flat to keep the boat dry.

“He figured right. A demonstration ride the next day proved it. She ran straight and true, smoothing the seas cushion-soft. When we returned to the dock, we were as dry as when we left.

“I commissioned Ray to design a 31 footer for me.”


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http://www.huntyachts.com/corp_about...evelopment.htm

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Many of Ray’s notes and sketches deal with variations of deadrise, loss of lift, addition of lift, and reduction of wetted area through the use of “lift strips.” The deep-vee which he evolved is a monohedron type - initially with no twist, and therefore with the total area of the planing bottom at a constant angle of attack (when then evolved into subtle changes (some twist) as the design optimized. It is truly amazing - and typical of Ray’s intuitive sense - that today, after so many attempts at a better deep-vee racing hull, and no doubt with various improvements, that Ray’s original 24-degree deadrise is still used. The essential design, in fact, has changed very little after decades of fine-tuning.