Originally posted by Turion
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For some analysis I'll need the number of turns per coil. I am assuming you do not know since you only ever mentioned wire length. I can figure a close estimate if I have the actual coil size. Can you link to the bobbin manufacturer's specification or dimensional drawing? It appears that the diameter of the wound copper coil is a bit less than the spool flange. What is the actual coil outer diameter?
What was your RPM for the scope trace? Also a RMS voltage meter reading would be useful. Waveform looks pretty nice.
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