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RE: [TCML] Interesting Coil Wrap



Ryan,
That's an old variation of a bipolar coil.  You can have a floating secondary,  two coils wound in the same direction in series with their midpoints grounded,  or you can have two secondaries on the same form wound in different directions and grounded in the middle.  The only thing that changes is the amount of work involved, and whether there was a common primary coil or two primary coils back-to-back wound in opposite directions.  
 
The idea of CW or CCW coils is a carry over from induction coils that used pie sections.  The first Pancake coils were wound this way too (though two coils in the same direction would have worked fine too, it just depends how you innerconnect the primary coils). and when cylindrical coils started to become marketable this was carryover from that in turn...
 
As far as the coil being placed vertically, that's strange.  Most of the time these style coils were mounted horizontally, sparks being drawn from each end...?
Jeff
 
> From: goleafsgo_12@xxxxxxxxxxx> To: tesla@xxxxxxxxxx> Date: Sat, 2 Aug 2008 12:47:24 -0400> CC: > Subject: [TCML] Interesting Coil Wrap> > > Hey Everybody, I recently saw a diagram on the internet of a person using a different coil wrapping style for his secondary. It went something like this. Imagine a secondary coil winding that starts in the middle, instead of one end to the other. THis person took their wire, folded the length they wanted to use in half. From the middle of the secondary, they wrapped half of the wire length in one direction and towards the bottom. Then, they took the other half of the wire (the un-used portion as of yet) and wrapped it in the opposite direction, and towards the top of the coil. My question is: What would this be used for, and, would it actually work as a secondary?Ryan_______________________________________________> Tesla mailing list> Tesla@xxxxxxxxxxxxxx> http://www.pupman.com/mailman/listinfo/tesla
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