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@jacobmakesciencefun
00:22
Mendocino solar electric motor
Fascinating footage of a Mendocino solar electric motor.
The rotor is levitated at each end by three small permanent magnets on either side of the motor. This reduces rotational friction allowing it to spin freely.
There are six solar panels in a hexagonal, symmetrical arrangement around the rotor.
Each solar panel is connected to a coil of wire on the bottom side of the opposite panel.
When the solar panel at the top is energised with light, the coil of wire turns into an electromagnet which opposes the magnetic field of the permanent magnet at the base of the motor. This magnetic force causes rotation of the motor.
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