A motor is added to the foil to reach speeds of 25 mph. Here's how the eFoil is built. Lift Foils starts with a high-performance board. A foil is added. Then a silent, electric motor is attached ...

Electric foil, or EFoil, boards look like surfboards ... The mast between the board and the motor can be 28 inches or 32 inches long. Rossi's company purchased several Lift3 eFoils this past ...