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A track bicycle or track bike is a form of fixed-gear bicycle optimized for racing at a velodrome or at an outdoor track. Some road racing and club cyclists use a fixed-gear bicycle for training during the winter months, generally using a relatively low gear ratio, believed to help develop a good pedalling style. [5]
A 2015 poll of international fixed gear riders found that 11.9% report the use of fixie for tricks. [8] The earliest bicycle tricks were done on fixed-gear bicycles. [9] [10] However, most modern disciplines of freestyle cycling utilize a freewheel type mechanism; a notable exception is artistic cycling riders
The List of newspapers in Sri Lanka lists every daily and non-daily news publication currently operating in Sri Lanka. The list includes information on whether it is distributed daily or non-daily, and who publishes it.
A transmission (also called a gearbox) is a mechanical device which uses a gear set—two or more gears working together—to change the speed, direction of rotation, or torque multiplication/reduction in a machine. [1] [2] Transmissions can have a single fixed-gear ratio, multiple distinct gear ratios, or continuously variable ratios. Variable ...
A rack and pinion has roughly the same purpose as a worm gear with a rack replacing the gear, in that both convert torque to linear force. However the rack and pinion generally provides higher linear speed — since a full turn of the pinion displaces the rack by an amount equal to the pinion's pitch circle whereas a full rotation of the worm screw only displaces the rack by one tooth width.
In 2009 the company was acquired by the UAE-based Onyx Group which is owned by the Sri Lankan businessperson Sri Lanka Investment Corporation and re-branded as "Ceylon Steel" Corporation Limited. [5] [6] On 2020 Lanwa Sanstha announced they plan to build massive cement corporation under the name of Lanwa Sanstha Cement Corporation. The company ...
Spiral bevel gear. A spiral bevel gear is a bevel gear with helical teeth. The main application of this is in a vehicle differential, where the direction of drive from the drive shaft must be turned 90 degrees to drive the wheels. The helical design produces less vibration and noise than conventional straight-cut or spur-cut gear with straight ...
A herringbone gear, a specific type of double helical gear, [1] is a side-to-side, rather than face-to-face, combination of two helical gears of opposite hands. [2] From the top, each helical groove of this gear looks like the letter V, and many together form a herringbone pattern (resembling the bones of a fish such as a herring).