P-Motor 45000 RPM pulse dc motor WARNING DANGEROUS CAUTION IF REPRODUCING 11.8.11

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WARNING DANGEROUS CAUTION IF REPRODUCING


My first youtube video. I apologize for the poor video quality in advance. I used a low end camera and it doesn't pick up the scope readings. The scope is set at 2ms/div. The scope shows the hall sensor output which cycles one to one with the revolution of rotor.

This is my latest motor build. The rest are in heaps therefore this is the only thing I have to show that is currently operating. I have a lot more testing and modification to this project and plan to show this in the future. In this video I didn't actually take it up to 45k rpm, it topped off at around 42k rpm. The scope showed over 700hz or 700 cycles per second. 60 x 700hz = 42000 rpm.In past tests, to reach 45k rpm I've needed about 23v input and a tweak of the hall sensor's position. You may notice that at one point my magnet came unglued and I stopped the motor and said whoops. Re-glued and restarted recording. The speed reached by this motor is clearly dangerous. reproducing this motor needs one too.
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