Evolution of Windmill

Early Persian Attempt

500

persianIn 500-900A.D the persians attempted to make a machine where the sails that they attatched to a verticle pole would spin around on a vertical axis. the sails would either move water or grind grains.

Europe Gets Mills!

Sep 12, 1000

linkAround 1000 A.D wind power progressivley spread to european countries where they were used to drain lakes and marshes.

Basic Windmill

Jan 1, 1219

First WindmillsThe first windmills were used for pumping water and milling grain which is where the term windmill came from.

Chinese Windmill

Sep 16, 1219

Chinese statesman Yehlu Chhu-Tshai was the first to document the use of the windmill in China. They were mainly used for grinding grain and pumping water.

Towermill

Sep 12, 1390

source The dutch refined the original design by adding different floors into the mill for diffierent tasks the mill did and a living quarters in the bottom.

Common Windmill

Sep 16, 1800

The most commonly recognized design is the one with steel blades, relatively small rotor diameters and tails to help orient them into the wind. THese were mass produced at used alll over America at the time.

Automatically Operated

Sep 12, 1887

turbineCharles Brush invented the first automatically operated windturbine. It was called a windturbine and not a windmill because it created energy.

First Large Windmill

Sep 12, 1888

The first large scale windmill was made in Cleveland Ohio with wooden blades that were 60 feet in diameter and spun at 500 RPM source

Efficent Inovations

Sep 12, 1898

steel bladesWhen steel blades for windmills were thought of it made them more efficient and as homesteaders move west, more than six million windmills were throughout the countryside.

Modern Turbine

Sep 12, 1955

modernIn Denver they made a three bladed windmill but instead of completeing a task it would generate stored power.