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In angling, casting is the act of the angler throwing the bait and hook (or a lure) as well as other attached terminal tackles out over the water, typically by slinging a fishing line manipulated by a long, elastic fishing rod. The term itself may also be used for setting out a net when artisanal fishing.
The specimen is placed on the work table and a notch is created exactly at the centre. The crack should be generated such that the defect length is about half the depth. The load applied on the specimen is generally a three-point bending load. A type of strain gauge called a crack-mouth clip gage is used to measure the crack opening. [3]
Ultra-light spinning and casting rods are generally shorter (4 to 8 feet or 1.2 to 2.4 meters is common) lighter, and more limber than normal rods. Tip actions vary from slow to fast, depending upon intended use. These rods usually carry 1 to 6 pounds-force (0.5 to 2.5 kgf; 4.5 to 26.5 N) test fishing line.
In a 1961 paper, P. C. Paris introduced the idea that the rate of crack growth may depend on the stress intensity factor. [4] Then in their 1963 paper, Paris and Erdogan indirectly suggested the equation with the aside remark "The authors are hesitant but cannot resist the temptation to draw the straight line slope 1/4 through the data" after reviewing data on a log-log plot of crack growth ...
Behind the finished vase are the spinning tools used to shape the metal. Metal spinning, also known as spin forming or spinning or metal turning most commonly, is a metalworking process by which a disc or tube of metal is rotated at high speed and formed into an axially symmetric part. [1] Spinning can be performed by hand or by a CNC lathe.
Bottom bouncing is a spin fishing technique where the spinner is cast up river from the shore, and then allowed to bounce on the river bottom until it has moved downstream. The rod tip is held higher in the air than normal and the speed of retrieval is faster. This method is commonly used when float fishing from an inflatable dingy.
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In shear spinning the area of the final piece is approximately equal to that of the flat sheet metal blank. The wall thickness is maintained by controlling the gap between the roller and the mandrel. In shear forming a reduction of the wall thickness occurs. Before the 1950s, spinning was performed on a simple turning lathe. When new ...