drag fins

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• Tunnel fins — The Tunnel fin is used on surfboards especially heavy longboards and longboard guns. The weight and length of these boards make it easier to control the fore and aft angle of the tunnel. As the name suggests it is shaped like a tunnel. Tunnel… …   Wikipedia

• Lift-induced drag — In aerodynamics, lift induced drag, induced drag, vortex drag, or sometimes drag due to lift, is a drag force that occurs whenever a moving object redirects the airflow coming at it. This drag force occurs in airplanes due to wings or a lifting… …   Wikipedia

• dragonfish — /drag euhn fish /, n., pl. (esp. collectively) dragonfish, (esp. referring to two or more kinds or species) dragonfishes. 1. any marine fish of the family Bathydraconidae, of Antarctic seas, having an elongated body and flattened head and being… …   Universalium

• dragonet — /drag euh net , drag euh nit/, n. any fish of the genus Callionymus, the species of which are small and usually brightly colored. [1300 50; ME < MF; see DRAGON, ET] * * * ▪ fish       any of about 40 species of marine fishes constituting the… …   Universalium

• Surfboard — For other meanings see Surfboard (disambiguation). A stack of boards in Waikiki during a surf competition …   Wikipedia

• locomotion — /loh keuh moh sheuhn/, n. the act or power of moving from place to place. [1640 50; see LOCOMOTIVE, MOTION] * * * Any of various animal movements that result in progression from one place to another. Locomotion is classified as either… …   Universalium

• Swimming (sport) — Swimmer redirects here. For the military term, see frogman. Swims A swimmer performing freestyle. Highest governing body Fédération Internationale de Natation (FINA) Nickname(s) …   Wikipedia

• Simon Anderson — (born 7 July 1954) is an Australian surfer and surfboard shaper, noted for creating the Thruster design of three equal sized fins on a surfboard, a design now used on practically every shortboard made.Anderson grew up in Collaroy, Sydney, the… …   Wikipedia

• Flying wing — For the Canadian football position, see Flying wing (football). Flying wing Graphic rendering A flying wing is a tailless fixed wing aircraft which has no definite fuselage, with most of the crew, payload and equipment being housed inside the… …   Wikipedia

• Flying and gliding animals — A number of animals have evolved aerial locomotion, either by powered flight or by gliding. Flying and gliding animals have evolved separately many times, without any single ancestor. Flight has evolved at least four times, in the insects,… …   Wikipedia

• Frogman — This article is about a type of military diver. For other uses, see Frogman (disambiguation). A French frogman with bag on chest rebreather with 2 breathing tubes (model Oxygers , 1957) …   Wikipedia