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GIMBALLING BRACKET - X 4.9

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Creation of a pendular system for a radar, designed to support the lever arm while allowing the widest possible opening for radar waves.

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My responsibilities:

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  • In charge of the shape and overall design.

  • Co-creator of the pendulation system (metal components).

  • Design of the foam mold.

  • Supervision of the manufacturing of metal parts through turning.

MAINSAIL CAR - Oyster 24

Construction and replacement of the original headboard cars, which were worn out, with new ones. Improved the fitting and sliding of the cars along the rail.

My responsibilities:

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  • Monitoring manufacturing and installation times with a strict deadline.

  • Reverse engineering of the original parts.

  • Design of new components optimized for 3D printing in titanium, including modifications and improvements.

  • Design and supervision of new G10 bearings.


*Challenges: Achieving the perfect adjustment, with a proper fit but minimal friction.

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V-BOOM - Privilege 510

Construction of a lightweight and low-visibility V-boom.

My responsibilities:

 

  • Design, taking into account the CF construction method.

  • Design of the MDF and foam mold.


*Challenges: The complexity of the molds, including foam cores with organic geometries.

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TACKLINE SYSTEM - Brenta 42

Development of a new tackline system for a racing yacht.

My responsibilities:

 

  • Design of new titanium components for 3D printing.

  • Research and selection of a new metal 3D printing supplier: reliable, fast, and professional.

  • Monitoring construction timelines.

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GENERATOR´S CASES - Spirit 111

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Design and construction of a new soundproof and fire-resistant enclosure for two generator engines, with each part designed to be handled by a single person inside the engine room. The two cases had distinct morphologies.

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My responsibilities:

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  • Volumetric, morphological, and dimensional survey of the available space, including the creation of 1:1 foam mock-ups.

  • Complete design of the assembly, including closing systems.

  • Design of 11 molds.

  • Monitoring production timelines and purchasing logistics.

  • Creation of construction and assembly plans and templates. Usage diagram.

  • Development of client presentation renders.

 

*Challenges: A very tight deadline and complex geometry surrounding the engines.

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MAINSAIL HEADBOAR CAR - Wally 100

Reproduction of the original car, which was broken, into an optimized new version.

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My responsibilities:

  • Reverse engineering of the original component.

  • Design optimized for 3D printing in titanium.

  • Load analysis.

  • Supervision of gear alignment via wire EDM.

  • Monitoring manufacturing and installation timelines under a tight deadline.

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*Challenges: Ensuring perfect alignment of the car teeth with the original headboard, where the pitch between teeth was inconsistent. Combining metal 3D printing with wire EDM in such a long, complex, and load-bearing component was a significant challenge.

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LAMINATION REPAIR

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Structural repair of an old yacht using CF.

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My responsibilities:

  • Measurement survey on board.

  • Design of the new structure in collaboration with the technical office.

  • Load calculations.

  • Mold design.

  • Renders and formal report presentation.

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BOWSPRIT - Shogun 43

 

Modification of the bowsprit in CF with a G10 core.

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My responsibilities:

  • Measurement and angle study of the component relative to the hull and mast.

  • Design of the new part.

  • Monitoring execution times.
     

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BACKREST - Brenta 42

Creation of a CF backrest for a racing yacht.

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My responsibilities:

  • Mold design divided into 9 foam parts.

 

*Challenges: The complexity of the mold design required splitting it into 9 parts to ensure proper CF lamination and safe demolding.

RAIL & CARRIAGE SYSTEM - Finot Conq 53
 

Design and replacement of the opening and closing system for the tender garage on a yacht.

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My responsibilities:

  • Design of parts for 3D printing in titanium (cars) and machining in VESCONITE (rails).

  • Monitoring manufacturing, assembly, and shipping logistics under a tight deadline.

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BULB MODIFICATION - Solaris 64

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Modification of the keel bulb for the reclassification of a racing yacht.

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My responsibilities:

  • Scanning of the keel and bulb using photogrammetry.

  • Design of foam mold and fixing templates for placement

 

 

*Challenges: Learning and applying a new technique focused on achieving highly reliable results.

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SOLAR PANEL ROOF - Privilege 510

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Creation in CF of two roof structures with integrated solar panels, designed to maximize the sun exposure surface and increase electrical power generation.

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My responsibilities:

  • Design of new geometries.

  • Load calculation on the central beam.

  • Mold design.

  • Management and preparation of visual documentation to coordinate with external suppliers.

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MAST STEPS FOR AROUND THE WORLD

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Manufacture of custom mast steps along the entire height of a sailboat mast designed for a round-the-world voyage.

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My responsibilities:

  • Product design.

  • Supervision of production and installation timelines.

  • Management of 3D printing using UV-resistant materials.

  • Laboratory breakage testing.

  • Design of installation templates.

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*Challenges: To design and manufacture a reliable, lightweight, and cost-effective product, delivered within a very tight deadline.

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© 2025 by David Chevalier

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