Top Positive Review for Magnetic on Banggood

9% OFF STARK-5 Solar Mendocino Motor Magnetic Levitation Engine Educational Model No Propeller US$31.63 US$34.67 View It

Overall:

Luca 04/03/2019

It is a nice working demonstration gadget, magnetic bearing are performing nice, yet they are not enough sturdy to prevent motor dislocation when running at at certain speed (minor mass misalignment in the motor, quite normal for this), so in order to run constantly with varying light exposure i am arranging a small copper loop to prevent excessive out of axsis motion. It is very good in order to show young people about low friction and about energy trnsmitted by light. Bright light required or direct bright sunlight. It is quite worth the money

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