The power produced by windmills is generally small. ... because if the windmill is equipped with a pump cylinder that gives the proper load for a 15-mile wind, the mill will run too fast in a 30-mile wind to develop its maximum ... It is usually unsatisfactory to try to irrigate with the small quantity of water available from windmills. ... When the speeds differ, it is necessary to use some type of belt or gear drive.
|Title||:||Small irrigation pumping plants|