... Also called a free-jet turbine or Pelton wheel, a type of impulse turbine,named after L. A. Pelton who invented it ... rotate, producing mechanicalenergy. The runner is fixed on a shaft, and the rotational motion of the turbine is transmitted by the shaft to ... high head, low flow applications. Typically, to work this type of turbine, water is piped down a hillside so that at the lower ...