How do Dutch windmills work
2019 8 12 The windmill we visit on our Amsterdam Windmill Tour is one of the first in North Holland to be fitted with one of these screws and in peak conditions it pumps 1000 litres of water a second That's 264 US Gallons by the way a second All windmills need to face the wind to work and also need the sails on the wings adjusted to suit the wind speed.
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