6 Amazing Things You Probably Didn’t Know About The Persians Empire

2) Persians built the earliest known vertical axis windmills pers32 The core technology of windmills obviously came from wind sails that were used for the maneuvering of ships. However, the first known use of wind power for automatically aiding daily manual tasks – like grinding grain or pumping water, most probably originated from Persia. To the end, the first historically documented panemone windmill design (a variant of vertical axis windmill) is actually Persian, with accounts of the tech being as old as 1,500 years. This particular specimen’s vertical sail was built from bundled reeds or timber, and they were in turn were fixed to the central vertical shaft with the help of horizontal struts. The bidirectional system was perhaps further fine-tuned with the use of strategically placed external walls that aided in the guiding of the available wind in the desired direction.