Superyacht Design / Naval Architecture

Naval Architecture

Resistance, Powering & Efficiency

How hull resistance, speed requirements, propulsion power and hydrodynamic efficiency are evaluated to support performance, fuel consumption, range and machinery selection.

How hull resistance, speed requirements, propulsion power and hydrodynamic efficiency are evaluated to support performance, fuel consumption, range and machinery selection.

Guides

Guide

Hull Efficiency, Range and Fuel Consumption

The hull determines the effective power required at each speed and therefore strongly influences fuel demand and range. Efficient yacht operation depends on resistance, displacement, speed, propulsion efficiency and the full operating profile rather than one headline figure.

Aug. 10, 2026

Guide

Model Testing and CFD in Superyacht Design

Towing-tank experiments and computational fluid dynamics are complementary tools for predicting yacht hydrodynamics. Their value depends on correct geometry, test or numerical setup, scale treatment, uncertainty assessment and validation.

Aug. 10, 2026

Guide

From Resistance Prediction to Required Propulsive Power

A resistance curve gives the force required to tow the yacht through the water, but installed propulsion power must also account for propulsive efficiency, transmission losses, operating margins and the difference between calm-water and service conditions.

Aug. 10, 2026

Guide

Speed, Froude Number and Hull-Length Effects

The same speed in knots does not represent the same hydrodynamic condition for yachts of different length. Froude number relates speed to gravity and characteristic length and is fundamental to understanding wave-making and model similarity.

Aug. 10, 2026

Guide

Components of Hull Resistance

Hull resistance is the total force opposing a yacht's steady forward motion through the water. Understanding frictional, viscous-pressure, wave-making and appendage contributions explains why resistance changes with hull form and speed.

Aug. 10, 2026