Quainton Windmill Society - enthusiastically preserving our heritage for future generations to enjoy

 










   

TRANSMITTING POWER DOWN THE MILL
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WALLOWER

As the brakewheel rotates it meshes into another cogged wheel, the wallower, which powers the equipment on the various floors of the mill. It converts horizontal power from the sails into vertical power down the windmill.



METAL ON WOOD CONTACT

Within the windmill, inter-connecting cogs will have metal on wood contact. The drive shaft has 120 teeth made out of wood which mesh with the metal teeth of the wallower. Metal-on-metal contact is avoided to reduce noise, avoid sparks (which can be very dangerous), prevent wear-and-tear and is easier to repair.

Note the wallower has an odd number of teeth whereas the other wheels have an even number. This insertion of a "hunting cog" ensures that the engaged wheels mesh differently at each revolution to prevent uneven wear.

 

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