Practical guides on naval architecture, marine engineering, vessel performance, and maintenance.
April 20, 2026
Basic Hull Design Parameters
Every vessel can be described using a small set of core parameters — length, beam, draft, displacement, and key hull coefficients. Understanding these values makes it much easier to interpret ship design, compare different vessels, and use naval architecture calculations correctly.
Read article →May 11, 2026
Holtrop-Mennen Method & Ship Resistance Applications
A practical guide to the Holtrop-Mennen resistance method, including where it is useful, what inputs it needs, how the calculation is structured, and how naval architects can apply it during early-stage ship design.
Read article →June 9, 2026
Understanding the Marine Power Chain: Effective Power, Delivered Power & Brake Power
A practical explanation of how hull resistance becomes engine power, covering Effective Power, Delivered Power, Brake Power, propulsive efficiency, shaft losses, and service margins.
Read article →June 11, 2026
EEOI and Fuel Consumption: How Ship Fuel Use Affects Operational Carbon Efficiency
Learn how fuel consumption, CO2 conversion factors, cargo carried, and voyage distance combine to determine a ship's operational carbon efficiency.
Read article →NewJuly 27, 2026
Ship Stability Explained: KG, GM, GZ Curves and Righting Moments
A practical guide to transverse ship stability, explaining how weight, buoyancy, hull geometry and slack tanks determine GM, GZ and the vessel's ability to return upright.
Read article →NewJuly 30, 2026
Free Surface Effect on Ships: Formula, Correction and Worked Examples
Learn how liquid movement in slack tanks produces free surface moment, reduces corrected GM and affects a vessel's initial stability, with detailed calculations and operational guidance.
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