Deadrise Defined
Duckworth Hulls Are Designed Differently. Here’s Why:
Hull designs are a carefully engineered balance of performance, speed, stability, handling, fuel economy and comfort. They are specialized to provide optimal performance in varying water conditions.
Understanding how a hull’s shape is constructed is a critical factor in selecting the boat that will best fit your needs. A key factor to understand is “deadrise.” Deadrise is a measurement of the degree of angle between two surfaces. A boat’s deadrise is the amount of angle that forms between the boat bottom and a horizontal plane on either side of center keel. The deadrise angle is the least (meaning flattest) at the transom and gradually increases (more vee) as the bottom goes forward and then increases at a greater rate at the bow.
Misleading Measurements
Most manufacturers list only a single deadrise measurement. This can be very misleading as the exact point at which the measurement is taken can vary dramatically from model to model. Occassionally, a manufacturer will only provide the highest (steepest) deadrise measurement, which most often occurs at the furthest point forward on the bow. This measurement point is misleading as it is above the waterline and would only have an effect on performance in extreme conditions.
Duckworth Measurements
At Duckworth, we provide three critical points of measurement so you have a complete picture of how the hull is designed to perform in various conditions.
Generally speaking, deadrise is an indicator of a boat’s capability to handle rough water, shallow water, overall performance and the softness of the ride. Look for unique “deadrise defined” measurements clearly listed for every model throughout our brochures and websites.
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