windmühle
A windmühle is a traditional wind-powered milling or pumping structure found in Germany and many other parts of Europe. It uses sails attached to a rotating cap to catch the wind, turning a windshaft that drives gears and a milling or pumping mechanism. The primary purpose is to mill grain into flour or to move water in drainage or irrigation systems.
Most windmills employ a system of gears that transfers the rotational energy from the windshaft to millstones
There are several classic types of windmills. Post mills are built on a single supporting post with
Historically, windmills appeared in the Middle Ages and became widespread across much of Europe, particularly in