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Old 11-26-2012, 05:20 AM   #1
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Windmill brake.

I am building a windmill to aerate my pond. I have a blade from a thousand ton cooling tower, I took a air pump from an old school building and will link them together with a set of pulleys and a belt. My problem is when we get gusts of wind in 50's I don't to have to find pieces of my windmill in the neighbors yard. So I need a brake on it to prevent from spinning out of control. I have looked around and haven't really come up with anything.

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Old 11-26-2012, 06:52 AM   #2
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Windmill brake.

I know nothing about this other than the name of the part you need--centrifugal brake - Google Search

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NiNe O (11-26-2012)
Old 11-26-2012, 08:00 AM   #3
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Windmill brake.

You could try a Furling system (I had to look up the name, so don't take me as an expert). The turbine is essentially mounted on a hinge with a spring and when the wind blows too hard the turbine rotates out of the wind and slows down.
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Old 05-04-2014, 06:04 PM   #4
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Windmill brake.

What a cool project. Some pics after you build it maybe ? Oh'Mike's idea reminded me of my mini bike. May be you can use a clutch. It works on centrifigual force
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Old 05-04-2014, 06:29 PM   #5
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Windmill brake.

Check out the Mother Earth News website.
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