Quadrofoil 'flies' above water at up to 25mph without making a noise

A super-slick, catamaran-like craft is being touted as the 21st century answer to the speedboat.

The Quadrofoil uses C-shaped hydrofoils to lift the craft out of the water, allowing it to reach a top speed of 25mph (40kph).

The shape of the four foils creates lift, to haul the vessel above the surface of the water and travel with minimal water resistance and in turn very little noise.

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