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As we all know if something is pantented this not mean is working practice and theory......st

Anyway I am looking for something more important than the eficiency of an electric generator see the link belowhttps://www.instructables.com/id/Rotating-Magnetic-Field-Device-Potentate-Analgesic/

it is just an example you can buy the specified magnet from a store

turntable motor - microwavesA4 laminatorsthe ideea is that you need a coil with the thinest wire and a lot of turns...st

You can find the coil inside 230 V syncronous motor https://www.aliexpress.com/item/Bringsmart-110V-22...(inside microwaves - turntable motor, A4 laminators motor , etc )st

If you wish to build an efficient generator you have to take a look over the " magnetic oscillator "st

For efficiency : neodymium magnet sphere. st

Yes Of course, it is sciencetoolbar@gmail.com

through a plastic connector - an example is in the uploaded picture. Heat the metal case stick it in the plastic connector .

the presented project, is a small scale project, we are thinking to use it to light during the day basements and parkings, and also to integrate it in a energy recovery project, we wish to avoid energy storage in our furure projects (no batteries)thx.

Thx for the observation. What is missing ?Thx st

The light source shall illuminate the camera if there is no natural light in the room

http://sciencetoolbar.com a led light is capable of being powered by low voltages solar panels

first it must be improve. ( air friction, bearing, coil ( I used a cheap fidget spinner 0.5 $) . It is created in educational purpose like all other projectshttp://sciencetoolbar.com

Thank you for the informations. I analyzed the informations and I found them very useful. There are some diferences for example, the magnetic catch I used between the magnetic poles, which is not moving even at 26.000 rpms. This is the first problem I found when I start my project. It is hard to fix a metal in general between the magnetic poles - the metal tends toward N pole or toward S pole , only if you use a screw pot metal case like I used it is simple to fix it in any spot on the neodymium sphere you wish.Thx again for the informations.