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Re: Centre Driven Coil



Hello Phil,

>If you build a centre driven coil, and cause the discharges to arc between the
>opposite ends of the coil, then

If you want them to arc together, well there are ways to accomplish this
but the arc length will be limited by the physical length of the coil.
 
>a) How many turns should the secondary have - still 800-1000 (in line with
RQ's    recommendations) or double this?

If you want to keep the frequency the same you will need to about double it. 

>b) Or can you just pretend that it is a standard base driven coil,
(designed as    such) with the primary coil in a different place and no RF
ground?

If you build a three coil magnifier system, it should be bossible to 'break'
the coil in half end stand each upright, at either end of a centre driven RF
transmition line. The centre tap and RF line would still be a 'tempting' point
for the resonators' output to arc to, but it will go further still to find a
'real' earth!   

Marcus