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How to make a windmill?

hi every body

can someone please help me hoe to make a woínd mill

a.what is best a windmill with long wings or with short and why.

b.how do i do to make electricity. i heard coils and magnets,

thanks and do not say energy 4 earth i hate it

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Easy invention for Science?

I’m in 8th grade cluster (advanced) science and our teacher assigned the class either an invention on magnets and/or electricity,or a presentation. I went with the invention. It was given a week ago and I havent been able to come up with any sort of invention I could do. My friend is doing an automatic windmill with a motor but he is getting help from his dad to build it, I don’t have that sort of parental support. Science isn"t my best subject but I want to keep my grades up, I don’t want to disapoint my parents anymore. I need a simple invention on magnets/electricity. Can anyone help me?

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What would you need to do to a brushless DC motor to turn it into a generator?

I am new to learning about generators and dont know much about DC electricity. I am experimenting with building a windmill for household power. Would machining the shaft and placing magnets in it work? I am first building one with homemade coils and earth magnets, but somebody suggested using a dc motor housing and thought i would check into it. Thanks for any input.

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Is it possible to place 2 opposite magnets on a wheel to make the wheel turn on it’s own?

Then hook up something to convert the energy from the turning wheel to make electricity (like a windmill without the wind)?
Would it really be a perpetual motion machine if eventually the magnets wear down and need to be replaced? I would assume it could turn for a while, but not forever. So yes I’m asking if it can power its self, but not asking for a perpetual motion machine.
If the wheel was pushed by the magnets, like if the wheel was a metal that reacted to the magnets, couldn’t the magnets naturally push it, thus turning the wheel… and then just use it like any other windmill?
I’m not asking for the magnets to produce it, I’m asking can I make the magnets turn a wheel, like how those trains on magnet rails move… it if turns the wheel, then you could just get the other parts from a windmill to make it produce energy, yes no? So can you make a metal wheel that turns from the push of a magnetic field from magnets?

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How to make electricity at home?

Hi,

I want to know how to make electricity at home. I have a science assignment to do and we need to make something that will make electricity. Anybody know how to make a windmill or a solar system? What would be the cheapest of these 2?

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How can I make a windmill that generates electricity?

I want to make a windmill that generates electricity, perhaps using light bulbs?
But how do I make one and connect everything so that it does make electricity in light bulbs?

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