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The Admiralty Coefficient, Sea Margin & Fouling

Inside this lesson
  • State and apply the admiralty coefficient formula for quick power estimates on similar hull forms
  • Explain the limits of the admiralty-coefficient method
  • Define sea margin and fouling margin and explain why installed power exceeds calm-water power
  • Compute installed power given calm-water power and margin percentages

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Educational content covering topics typical of a first- and second-year marine engineering / naval architecture curriculum. Not a substitute for accredited coursework, and not suitable for real vessel design, operation, or safety decisions without review by a licensed professional engineer. References to classification societies, SOLAS, or MARPOL are descriptive context only, not compliance guidance.