Pulse Motor ( no work required to remove rotor magnets from cores )

[gyulasun]

Hi folks, just an update. i've hooked up 1 coil phase, still hooking up others, and it runs nicely although when driving coil with more voltage the rpm increase causes too much vibration. I'm hoping its only because the other magnets interacting with the cores are causing this and that when all 3 phases are operating it should be smooth and fast, right now with the 1 phase at 24V it has some pretty good torque and speed though obviously needs all 3 phases to function properly. The only thing I dont have for testing is an rpm meter, so any ideas on how to accurately measure rpm short of buying an expensive meter which is not an option due to funds. i do have an rc model tach., but it suffers interference from the ac light bulb frequencies. Anyway heres a pic of the motor setup.   

Hi Skywatcher123,

Here is a link where you can find some ideas on measuring RPM: http://peswiki.com/index.php/Tools:RPM

Also, if you place your RC model tach into a non-opac long cylinder serving as a shield to block your AC light bulb frequencies and place the opening of this cylinder as near as possible to your rotor, you may still use it?  Maybe you not but I mention this any way...

rgds,  Gyula

[Mk1]

@all

About one year ago i have found the patent drawing on the kawai magnet motor.

Here some of the pages.

[Mk1]

Some more!

[Mk1]

Well there is some more. That is all i could find.

[Mk1]

@all the patent number is 5436518