SV. Man sitting in the high speed mini hydrofoil ready for demonstration on the river Thames - type of water scooter. SCU. The bows of the hydrofoil showing the handle bar type steering controls. SV. Man prepares to leave in the hydrofoil. LV. Hydrofoil taking off from the bank towards camera and sweeps round in the water. SV. Hydrofoil moving towards camera, camera pans with it. SV. Hydrofoil moving towards camera and does a sharp turn. SV. Hydrofoil past camera.