The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power.
Read more. A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes.
A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.
A measure of the weight of the boat relative to it's length at the waterline. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions.
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Air Draft? Foresail Sail Area? Forestay Length? Calculations Hull Speed 8. Hull Speed The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement.
Classic formula: 7. D : Displacement in pounds. LWL: Waterline length in feet. Capsize Screening Formula This formula attempts to indicate whether a given granada 35 interiör might be too wide and light to readily right itself after being overturned in extreme conditions.