100000 RPM : DIY Experiments #7 - Ultra fast spinning!

Look at our original french channel: Little fun experiment today : we’re gonna make spin this fan motor as fast as possible! Originally, this engine was built on two balls bearing, but we’ve taken off one of them to reduce the friction. What we have here is a circular magnet, which has 2 north and 2 south poles. We’re going to make it spin around this handmade coil, by using a square voltage. We’re going to increase the magnet’s speed by gradually i