Real sailors arrive using the "colada" effect but lately there's been a growing reliance on the "chelada" effect since Modelo introduced those tasty red cans! They go down fast and make a day of sailing go even faster.

Coandă isn't a meaningful factor in the aerodynamics of sailboats.

It is perhaps possible that it contributes somewhat to the slot effect, but that is controversial.

Nor C.A. Marchaj: "Sailing Theory and Practice".