The appeal of SailGP, however, goes far beyond the standings.
An F50 is 15 metres long and uses a large rigid wing instead of a traditional mainsail. Beneath the hulls, foils generate lift until the catamaran gradually rises clear of the water. At that point, contact with the surface is reduced to a minimum and the boat begins to fly.
To understand just how far performance has evolved, it is enough to look at what happened only a few weeks ago in Sassnitz: 107.63 km/h, the new all-time SailGP speed record set by DS Automobiles Team France.
At these speeds, however, it is not only the boat that has to be designed with aerodynamics in mind. The athletes’ bodies, fully exposed to airflow during manoeuvres, also become part of the system.
This is exactly why SLAM developed the Foil Aeroset, the technical system made up of the Foil Aero Top and Foil Aero Bib and worn by the Explora Journeys Swiss SailGP Team.
Developed through research carried out together with Nacra 17 Olympic champions Ruggero Tita and Caterina Banti, it was designed to reduce aerodynamic drag, manage turbulence around the body and keep the garment stable even when it is constantly exposed to wind and water.
The principle is the same one that drives the design of the F50: at high speed, even the smallest details matter.
The fabric’s micro-channel structure, tested in a wind tunnel, is designed to manage airflow around the body, while the combination of materials with a high elastomer content provides controlled compression and maintains a close fit even when wet. This helps reduce flapping, the movement of fabric caused by airflow, which creates additional resistance at high speed.
Aerodynamic efficiency, however, cannot come at the expense of movement.
On an F50, athletes must cross the boat quickly, change position and work under load within seconds. The Foil Aeroset is therefore designed to move with the body while maintaining freedom of movement, stability and protection.
The Bib also features abrasion-resistant reinforcements in the areas most exposed to contact with the deck, while silicone bands help keep both the Top and Bib correctly positioned during action.
It is a direct consequence of the evolution of high-speed foiling.