Re: [TCML] Inside-Out Tesla Coil...old idea

[gary350@xxxxxxxxxxxxx]

This is a new twist on an old idea.  About 1968 I worked for a company that made transformers, RF, IF, HV, Step up, Step down, chokes, anything done with winding wire they did it.  The inside out TC picture is an exact copy of a thing we use to make only difference the thing we were making was small enough to hold in your hand and it was a step up HV transforemer.  I would think this thing would have limited output voltage because it would arc back to itself.

I will start a new thread on a TC I built years ago. 





-----Original Message-----
>From: William Beaty <billb@xxxxxxxxxx>
>Sent: Feb 13, 2008 1:40 AM
>To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
>Subject: Re: [TCML] Inside-Out Tesla Coil...
>
>On Sun, 10 Feb 2008, Jeff Behary wrote:
>
>>
>> ...or Unipolar High Frequency Induction Coil.  (Experimental coil) Many
>> early texts describe Tesla Coils having the primaries wound on the
>> inside of the secondary.  Most of these were oil-filled to avoid
>> spark-overs.  I used paraffin wax for insulation:
>> http://www.electrotherapymuseum.com/2008/InsideOutPancake/index.htm
>
>VERY cool.  Complete the insideoutness by adding a toroid all around the
>edge?  (A shorted turn, though.)
>
>Hey, have you or others built any BACKWARDS coils?  Where a high frequency
>power supply is turned into huge low frequency DC pulse output?  I thought
>of a way to do this, then remembered that just such things are in
>schematics in Tesla articles.  But I haven't encountered any detailed
>description in his writings.  Wardenclyffe presumably used some similar
>technique, since it would be putting out pulses well below 10KHz.  Also,
>this may have been the source of those "painless surface flames"
>discharges described in various articles.   Modern plasma generators do
>the same, I think: huge spikes at low PWM which prevents streamer growth.
>
>(((((((((((((((((( ( (  (   (    (O)    )   )  ) ) )))))))))))))))))))
>William J. Beaty                http://staff.washington.edu/wbeaty/
>beaty chem washington edu       Research Engineer
>billbamascicom                  UW Chem Dept,  Bagley Hall RM74
>206-543-6195                    Box 351700, Seattle, WA 98195-1700
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