SumToZero provides consultancy expertise in yacht design, optimisation and control. Within the team, we have a combination of over 50 years’ experience working in the world of America’s Cup and Formula One design and simulation.

Gomboc Designer is SumToZero’s flagship yacht design and simulation product. As the simulation software behind the design of Emirates Team New Zealand’s America’s Cup winning AC50 and AC75, Gomboc has re-defined performance yacht design.

In development since 2010, Gomboc’s VPP, optimisation and foil design capabilities were behind the first large foiling multihull, the AC72, and was instrumental in the creation of the AC75 foiling monohull class. It is now used widely in America’s Cup, IMOCA and Maxi teams, and in the design of super yachts, power craft and experimental concepts.

Tightly guarded within Emirates Team New Zealand for years, Gomboc is fast becoming the standard tool of naval architects for all performance boats.

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