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A hydrofoil is a lifting surface, or foil, that operates in water. They are similar in appearance and purpose to aerofoils used by aeroplanes. Boats that use hydrofoil technology are also simply termed hydrofoils. As a hydrofoil craft gains speed, the hydrofoils lift the boat's hull out of the water, decreasing drag and allowing greater speeds.
A sailing hydrofoil, hydrofoil sailboat, or hydrosail is a sailboat with wing-like foils mounted under the hull. As the craft increases its speed the hydrofoils lift the hull up and out of the water, greatly reducing wetted area , resulting in decreased drag and increased speed.
A foilboard, also known as a hydrofoil board or foil surfboard, is a type of board used in water sports; it is distinct from surfboards in that it has a hydrofoil rather than fins mounted underneath.
Dec 9, 2021 · The history of foiling. The early development of hydrofoils started over 100 years ago when Italian Enrico Forlanini achieved 36.9 knots with his 60hp airscrew-driven boat in 1906. Several ...
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Aug 31, 2000 · Seakeeping. Some of the principle advantages of hydrofoil ships, over all other monohull or alternative ship types are: (1) the ability of a ship, which is small by conventional ship standards, to operate effectively in nearly all sea environments, and (2) an improved ratio of power to displacement in the 30 to 50 knot speed range permitting ...
Nov 11, 2023 · Hydrofoil boats work on the principle of hydrodynamics. The hydrofoils, which are typically located beneath the hull, generate lift as the boat gains speed. This lift raises the hull out of the water, reducing drag and allowing the boat to glide smoothly above the surface. The hydrofoils themselves are wing-like structures with a curved shape.
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May 2, 2023 · The Early Pioneers. The origins of hydrofoils on vessels can be traced back to 1869, when Parisian Emmanuel Denis Fargot obtained a patent for his rowing boat incorporating hydrofoils on its sides and under-surface, which he declared ‘will have the effect of lifting it in the water and reducing the draught’. Illustrations from Fargot’s ...
