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A water wheel is a machine for converting the kinetic energy of flowing or falling water into useful forms of power, often in a watermill. A water wheel consists of a large wheel (usually constructed from wood or metal), with numerous blades or buckets attached to the outer rim forming the drive mechanism. Water wheels were still in commercial ...
A watermill is a structure that uses a water wheel or turbine to drive a mechanical process such as flour milling (using a pair of millstones), lumber production, or metal shaping (rolling, grinding or wire drawing). A watermill that generates electricity is usually called a hydroelectric plant.
The water wheel and watermill are the earliest instances of machines harnessing natural forces to replace human muscular labour (apart from the sail). [3] As such, it holds a special place in the history of technology and also in economic studies where it is associated with growth.
This system was also a stack of 16 wheels but worked like a normal overshot wheel, the wheels driving stone mills and used to grind grains. The water mills were worked from a masonry aqueduct supplying the Roman town at Arles , and the remains of the masonry mills are still visible on the ground today, unlike the underground drainage systems of ...
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Pelton patented his wheel as well as his novel design of the double cup runner, and in 1888 formed the Pelton Water Wheel Company in San Francisco to supply the growing demand for hydropower and hydroelectricity throughout the West and world-wide. [6] 'Pelton' is a trademark name for the products of that company, but the term is widely used ...
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The water falls from the pipe into the buckets (formed from wooden slats on the circumference) and makes the wheel rotate in what is described as the 'reverse' direction: it is a backshot wheel. The crank has a throw of 4 feet (1.2 m) and connects to a counterweight and to a very long rod.
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