11 Years Factory wholesale Buckyballs to Monaco Manufacturers

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  • This is a Nano scale (1/1000th) model train set from http://www.nanotrains.com and http://www.teenytrains.com. It is built using a linear induction motor (https://en.wikipedia.org/wiki/Linear_induction_motor). This is similar to the maglev technology (https://www.youtube.com/watch?v=aIwbrZ4knpg) being developed for high-speed trains such as Japan’s 600KPH Bullet Train. The case has been removed to reveal the electronic control board. On the PCB, a microcontroller with firmware (covered by black goo dot) generates the three phase timing signals to drive the motor. Six power transistors (three half-bridge drivers http://www.powerguru.org/the-half-bridge-circuit-revealed/) use PWM control signals from the microprocessor to drive the three coil circuits. It is similar to the ESCs used to control brushless DC motors in drones, but the frequency is a lot slower (https://en.wikipedia.org/wiki/Electronic_speed_control). The motor’s coil circuits (tiny traces with round patterns seen on track PCB) repeat around the track. Each train car has four small neodymium magnets. This technology was developed by IDL motors (http://idlmotors.com/).


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