Crete is well known for thousands of white sailed windmills, 10 000 in all. They were used for irrigation. The method of supplying water was designed by Venetian engineers in 1464. The wind mill mechanism, transfers a rotating movement in a vertical one, the rotor drives a piston pump, which allows the windmill to pump up water. The windmill has no brake to stop it if a storm is coming. The sails must be rolled in. Although very few windmills are in use today, they have become topical again through studies of alternative energy because they can be built cheaply timber and recycled mechanical parts.
Added:
1st Jan 2006
Subjects:
Design and Technology, Science
Key Stages:
Foundation, Key Stage 1, Key Stage 2, Key Stage 3, Key Stage 4, Key Stage 4+
Keywords:
wind power energy
Related Links:
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Cretan Windmill
