12 avril 2018

How a windmill works

  Mécanisme d’entraînement des meules = Millstone driving mechanism  Rouet = brake wheel / Alluchons = teeth / Arbre tournant = wind shaft / Tourte, / Fuseau / Lanterne = wallower / Gros fer = drive shaft / Meules = millstones The wind speed must be between 40 and 60 km/h in order for the sails to turn. When this is the case, the sails turn the wind shaft, which in turn drives the brake wheel. The brake wheel’s 40 teeth then engage the wallower, which drives the rotating grindstone.   At each... [Lire la suite]
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12 avril 2018

Windmill diagrams

1 weather vane / 2 rotating roof / 3 sails / 4 stop / 5 brake wheel with teeth 6 lantern / 7 drive shaft / 8 hopper and hopper assembly / 9 runner stone 10 bed stone / 11 millstone casing / 12 spindle / 13 spindle grating / 14 wind shaft / 15 bed stone route / 16 runner stone route Like most windmills in Provence, ours is 6 metres in height and width. A saying which is no longer used, perhaps because it is politically incorrect, states that, « The sails of the windmill may spare chickens, but not dogs ». In... [Lire la suite]
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12 avril 2018

Noria Camejean (in english)

The ‘noria’, also known as the ‘Persian wheel’, is a machine used for lifting water. It has long been used for crop irrigation. Generally, a donkey or horse was used to turn the wheel, the animal wearing a blindfold to prevent it from going mad. Water was thus extracted thanks to the strength of the animal. Other kinds of noria used the energy inherent in streams and rivers to lift the water. The term ‘noria’ comes from the Arabic ‘Na-urah’, which translates as ‘the first water machine’ It is used to describe a wide variety of... [Lire la suite]
Posté par Capricornejcb à 09:10 - - Commentaires [0] - Permalien [#]
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