Hobby shop , like the ones that sell model planes and cars.
You can purchase an AC motor suitable for rotating your dutch windmill model from hardware stores, online retailers like Amazon or eBay, or specialty hobby shops catering to model building enthusiasts. Make sure to consider the size and power requirements of the motor to ensure it is compatible with your project.
The wind should be able to power any size windmill.
go to windmill park with a giant crain and then pick the windmill and drop it to your school.
see your physics book
windmill
Make a small prototype of a "Helical" windmill which is very simple and innovative if you can get a fabricator to work for you. And yes...a helical windmill is one which rotates(and in the same direction) irrespective of the wind direction.
The electrons typically rotate around the nucleus in the solar system model.
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First choose a model that you need to make. A windmill and pizza box oven are some good examples. Get the necessary materials. Get aÊdiagram and a guide that will help you make your model.
Balsa wood usually
Attach a suzan bearing to it :)
I had to make an model of a windmill for class and I used a wood block, magnetic wires, a couple magnets, a couple nails, a paper towel roll, and glue
it is a building item