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2. Paravane (water kite) - Wikipedia

   en.wikipedia.org/wiki/Paravane_(water_kite)

   Towed winged unpowered water kite. The paravane / ˈpærəveɪn / is a towed winged (hydrofoiled) underwater object—a water kite. Paravanes have been used in sport or commercial fishing, marine exploration and industry, sports and military applications. The wings of paravanes are sometimes in a fixed position, else positioned remotely or by ...

3. Chord (aeronautics) - Wikipedia

   en.wikipedia.org/wiki/Chord_(aeronautics)

   Chords on a swept-wing. In aeronautics, the chord is an imaginary straight line joining the leading edge and trailing edge of an aerofoil. The chord length is the distance between the trailing edge and the point where the chord intersects the leading edge. [1][2] The point on the leading edge used to define the chord may be the surface point of ...

4. Hydrofoil - Wikipedia

   en.wikipedia.org/wiki/Hydrofoil

   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.

5. Surfboard fin - Wikipedia

   en.wikipedia.org/wiki/Surfboard_fin

   A selection of surfboard fins. A surfboard fin or skeg is a hydrofoil mounted at the tail of a surfboard or similar board to improve directional stability and control through foot-steering. Fins can provide lateral lift opposed to the water and stabilize the board's trajectory, allowing the surfer to control direction by varying their side-to ...

6. Foilboard - Wikipedia

   en.wikipedia.org/wiki/Foilboard

   Foilboard. 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. [ 1 ] This hydrofoil design allows the surfboard and its rider to rise above the water’s surface, allowing for fast speeds and ...

7. Sea Shadow (IX-529) - Wikipedia

   en.wikipedia.org/wiki/Sea_Shadow_(IX-529)

   Below the water were submerged twin hulls, each with a propeller, aft stabilizer, and inboard hydrofoil. The portion of the ship above water was connected to the hulls via the two angled struts. The SWATH design helped the ship remain stable in rough water up to sea state 6 (wave height of 18 feet (5.5 m) or "very rough" sea).

8. Boeing 929 Jetfoil - Wikipedia

   en.wikipedia.org/wiki/Boeing_929_Jetfoil

   The Boeing 929 Jetfoil is a passenger-carrying, waterjet -propelled hydrofoil by the Boeing Company. Boeing adapted many systems used in jet airplanes for hydrofoils. Robert Bateman led development. Boeing launched its first passenger-carrying waterjet-propelled hydrofoil in April 1974. It could carry from 167 to 400 passengers.

9. Hydroplane (boat) - Wikipedia

   en.wikipedia.org/wiki/Hydroplane_(boat)

   A hydroplane (or hydro, or thunderboat) is a fast motorboat, where the hull shape is such that at speed, the weight of the boat is supported by planing forces, rather than simple buoyancy. A key aspect of hydroplanes is that they use the water they are on for lift rather than buoyancy, as well as for propulsion and steering: when travelling at ...