Boat with improved sail system

By incorporating airfoil-configured bow sail elements that can be adjusted for optimal wind orientation, the sail system's efficiency is enhanced, addressing the challenges of speed and stability in sailing boats, especially in offshore conditions.

WO2025062280A1 Publication Date: 2025-03-27FERRARI SPA
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Patent Information

Application Number
PCT/IB2024/059011
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-09-18
Filing Date
2024-09-17
Publication Date
2025-03-27

AI Technical Summary

Technical Problem

Existing sailing boats face challenges in achieving and maintaining optimal speed and stability, especially in offshore conditions, due to high hydrodynamic resistance from hydrofoils and limited aerodynamic efficiency of traditional sail systems.

Method used

The introduction of bow sail elements configured as airfoils, which are strategically placed in front of the mainmast and can be adjusted to optimize their orientation relative to the apparent wind direction, significantly enhancing the sail system's aerodynamic efficiency and reducing hydrodynamic resistance.

Benefits of technology

This configuration increases the lift and thrust of the sail system, allowing the boat to reach higher speeds and maintain stability while sailing, even in challenging offshore conditions, thereby improving overall performance in sailing competitions.

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Abstract

A sailing boat (10, 10') comprising a hull (11) extending between a stern (13) and a bow (12) along a longitudinal axis (X) coinciding with a normal sailing direction (V) of the boat (10, 10'); a mainmast (21) projecting upwards from the hull (11) and extending parallel to a vertical direction (Z), which is orthogonal to the longitudinal direction (X); a mainsail (22) rigged on the mainmast (21), and at least one bow sail element (25), which is arranged in front of the mainmast (21), between the mainmast (21) and the bow (12), is configured, in each cross section, according to a predetermined airfoil (Q1) and defines a slat relative to the leading edge of the wind-exposed profile (P) defined by the mainmast (21) and by the mainsail (22).
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