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The otter is a fishing device constructed with two parts. An otter board and a fishing line. It is steered by pulling on the line then letting stack so the slide mechanism on the board operates to switch direction. It may be used from a boat or pulled from the shore. It is very difficult to retrieve from a boat once fish are on.
Aquacultural engineering. Aquacultural engineering is a multidisciplinary field of engineering and that aims to solve technical problems associated with farming aquatic vertebrates, invertebrates, and algae. [1] Common aquaculture systems requiring optimization and engineering include sea cages, ponds, and recirculating systems. [2]
Fish screen at Redlands Canal, near Grand Junction, Colorado. A fish screen is designed to prevent fish from swimming or being drawn into an aqueduct, cooling water intake, intake tower, dam or other diversion on a river, lake or waterway where water is taken for human use. They are intended to supply debris-free water without harming aquatic life.
A fishing trawler is a commercial fishing vessel designed to operate fishing trawls. Trawling is a method of fishing that involves actively dragging or pulling a trawl through the water behind one or more trawlers. Trawls are fishing nets that are pulled along the bottom of the sea or in midwater at a specified depth.
Convair Kingfish. The Convair Kingfish reconnaissance aircraft design was the ultimate result of a series of proposals designed at Convair as a replacement for the Lockheed U-2. Kingfish competed with the Lockheed A-12 for the Project Oxcart mission, and lost to that design in 1959.
Fish wheel. A wooden fish wheel out of the water. A fish wheel, also known as a salmon wheel, [1] is a device situated in rivers to catch fish which looks and operates like a watermill. However, in addition to paddles, a fish wheel is outfitted with wire baskets designed to catch and carry fish from the water and into a nearby holding tank.
Trolling is a method of fishing where one or more fishing lines, baited with lures or bait fish, are drawn through the water at a consistent, low speed. This may be behind a moving boat, or by slowly winding the line in when fishing from a static position, or even sweeping the line from side-to-side, e.g. when fishing from a jetty.
Panga (skiff) The panga is a type of modest-sized, open, outboard-powered, fishing boat common throughout much of the developing world, including Central America, the Caribbean, parts of Africa, the Middle East, and much of Asia. The original panga design was developed by Yamaha as part of a World Bank project circa 1970.
Starship Integrated Flight Test 2. SpaceX Starship Integrated Flight Test 2 ( IFT-2) was the second integrated flight test of SpaceX Starship launch vehicle. SpaceX performed the flight test on November 18, 2023. [4] The mission's primary objectives were for the vehicle to hot stage —a new addition to Starship's flight profile—followed by ...
Leeboard. A leeboard is a form of pivoting keel used by a sailboat largely and very often in lieu of a fixed keel. Typically mounted in pairs on each side of a hull, leeboards function much like a centreboard, allowing shallow-draft craft to ply waters fixed keel boats cannot. Only the leeward side leeboard is used at any time, as it submerges ...