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Re: Nested Secondaries

Hi Scot,
<< Hi All...
 
 
    I was thinking about something that I havent heard any ideas about (
 maybe its too ludicrous). I searched the archives ans still nothing on
 it, so heres the idea. 
 
 The concept is nested secondaries, one inside the other. My plans would
 consist of an 8 " dia tube with a 7" tube inside. Of course, both wound
 with 22Ga wire and both with the same amount of wire. Seeing that the 8"
 tube would hold more wire per length as the 7", the 8" form would have
 to be space wound for several inches ( havent done the exact math yet).
 Once both forms have been wound, the base of each secondary would be
 connected to each other ( and to RF grnd) while the upper leads would
 both be connected to the top load. 
 
 Ok  heres the speculation ...   would this design allow for more power
 to be supplied to the top load ???  considering that we are dealing with
 EMF would the extra coil system use that emf and not subtract it from
 the outer coil ?
This would have the effect of allowing more current to be supplied to the 
topload - unfortunately it would not produce much increase in spark length if 
the coil wasn't over toploaded to start off with.  This technique has been 
used by some magnifier builders as a way to supply the extra coil with more 
current.  They tend to wind both seperated secondaries on the same former as 
a double layered winding.
 
 some of the possible down falls that I see would be arcing between the
 secondaries BUT  ...   if they are the same ( electronically) why would
 they arc to each other ?   and what about the EMF produced by the
 secondaries themselves when the field collapses in them ?  ( not too
 bright on this subject , but trying ;)   ) 
You are completely right - the two coils, if the outer was slightly space 
wound, would develope the same voltage and therefore inter-coil arcing should 
not be a problem.
 
 while im here    what is the avg. length of streamers produced by a
 10KVA polepig ?  Im getting  5-6'   is there hope for more length ? 
YES - I have seen 6'-7' output from 2˝kVA input.  If you could give us the 
specs of your coil then we could help you inprove on the already good spark 
output.
 
 and one more     is there anyone out there that lives in La, New Orleans
 area ( or am I the only person in this city that loves coiling ;)  ) 
Depressing isn't it?  As far as I can tell I'm the only person in Berkshire 
who coils and one of about 20 out of a population of 55million.   

BTW:Despie my constant rantings about energy transmission I'm not that much 
of a crank. 

Happy New Year
Nick Field