Godsreel, Honestly I don't think you'll lose squat on top end (well, maybe stern squat). With a 550-600 lb 4 stroke motor hanging 2+ feet back, a 4 blade will only benefit you. The Potter hull was designed for a 400 lb motor to ride on the transom. And while they did put twin 200s on they didn't plane a low speeds either. Heavy 4 strokes were probably a contributing reason for the evolution of the 4 blade prop
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there's no such thing as normal anymore...
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