Top positive Bewertung für Magnetisch auf Banggood Germany|Kaufen Deutschland

9% OFF STARK-5 Solar Mendocino Motor Magnetschwebebahn Motor Pädagogisches Modell Kein Propeller US$31.63 US$34.67 View It

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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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