The post mill is the earliest type of European windmill. Its defining feature is that the whole body of the mill that houses the machinery is mounted on a single central vertical post. The vertical po
Brill windmill, a 17th-century post mill in Buckinghamshire
Chillenden post mill, built in 1868.
Chillenden open trestle post mill (another view).
Friston Post Mill, near Friston, Suffolk.
A fantail is a small windmill mounted at right angles to the sails, at the rear of the windmill, and which turns the cap automatically to bring it into the wind. The fantail was patented in 1745 by Ed
Post mill
…an arm projecting from them on the side opposite the sails and reaching down to near ground level. With some, as at Saxtead Green, the arm carries a fantail to turn the mill automatically. With the others the arm serves to rotate the mill into the wind by hand. The earliest post mills in England are thought…
Danish Smock mill from 1895 at Sønderho, Fanø, with fantail