Hydrofoil Craft, or Hydrofoils, are water-borne vehicles that literally fly through water in almost exactly the same manner that airplanes fly through air.
The main difference is that most hydrofoils tend to be at rest in water supported by buoyancy forces and move forward hull-borne in water under propulsive power until enough speed is reached to lift the hull out of the water, leaving only the wing-like structures submerged, flying inside the water (unlike planing surfaces which skim on the surface of water).
Based on the source of propulsive power, hydrofoils may be classified into two categories, namely, Motor Powered and Human Powered Hydrofoils.
Human Powered Hydrofoils have been built in various configurations, with muscle power usually applied to propulsion by means of pedals ultimately powering a marine or air propeller.
The featured AquaSkipper is unique in that there are very few moving parts (and those only for control) and both propulsion & hydrodynamic lift are obtained from a stationary main wing, with some lift supplemented by a canard upstream of the main wing.
The simple action of hopping on the main wing produces a complex sinusoidal wave motion of the wing in the water that produces upward lift as well as forward thrust.
Please proceed on to the AquaSkipper page here for more.