https://writeablog.net/hammers....nail8/different-vari
In an historical waterwheel, there are picket slats that flip because the water flows underneath or over them, turning the axle to which the wheel is hooked up and usually powering some sort of milling machine. Modern impulse turbines are based mostly on a design patented in 1889 by the American engineer Lester Allen Pelton. Each bucket has a high centre ridge so that the move is split to leave the runner at each side. Pelton wheels are suitable for top heads, usually above about 450 metres with