How Do Wave Heights Impact Pleasure Boat Speed?

AI Thread Summary
Wave heights significantly affect the speed and performance of pleasure boats, with higher waves generally leading to reduced speeds. A powerboat that achieves 20 knots in calm water may experience a decrease in speed when navigating through 4-6 foot waves, although exact figures can vary based on multiple factors. The Froude number, which relates to hull design and water conditions, is a critical factor in understanding these dynamics. While specific approximations for speed reduction in varying wave heights are not widely established, they can be inferred from existing studies. Understanding these relationships is essential for optimizing boat performance in different sea conditions.
gary
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Has anyone developed an approximation for the effects of different heights of sea waves on a pleasure boat performance? For example, if in calm water, a powerboat's speed is 20 kts., what would that boat's speed be if the sea conditions changed to 4-6 ft waves while holding all the other parameters constant (engine rpm,etc.)?
 
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I am honestly out of my area, but I would suspct these effects could all be related to studies of the Froude number for a hull. Perhaps that will give you a starting point. Sorry I am not much help on this one.
 

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