Jean-Baptiste R. G. Souppez

Senior Lecturer in Yacht Design and Composite Engineering

jean-baptiste.souppez@solent.ac.uk

British Conference of Undergraduate Research

COMBINING MODERN HYDROFOILS AND

CLASSIC WOODEN YACHTS

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Alvaro Guell

BEng (Hons) Yacht and Powercraft Design

2guela07@solent.ac.uk

British Conference of Undergraduate Research 2018 2

CONTENTS

▪ Background

▪ Stability

▪ Dynamic Stability System

▪ Towing Tank Testing

▪ Performance

▪ Conclusion

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THE BOAT

▪ Traditional design inspired by Spirit Yachts

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MAKE IT MODERN: HYDROFOILS

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DYNAMIC STABILITY SYSTEM (DSS)

HEELING MOMENTS (SAILS)

RIGHTING MOMENTS (FOIL)

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DYNAMIC STABILITY SYSTEM (DSS)

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TANK TESTING

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TANK TESTING

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PERFORMANCE PREDICTION UPWIND (LEFT) AND DOWNWIND (RIGHT)

0

1

2

3

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Speed (

knots

)

Spirit 50 Spirit 50 with foil

▪ Result: Faster boat with DSS!

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CONCLUSIONS

▪ Towing tank testing and velocity prediction undertaken

▪ Demonstrated better performance with DSS foils

▪ The designed also showed the feasibility of the installation on classic wooden yachts

THANK YOU!

Alvaro Guell

BEng (Hons) Yacht and Powercraft Design

2guela07@solent.ac.uk