Re: overcoupling

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> 


Hurray Ed!!

I've used flat spiral primarys in all coil designs from 2 inch dia up to 48
inch dia.  They always work well, never get racing sparks, and seldom
overcouple.  On our larger dia. we usually elevate the first turn of the
sec. coil.

Dr. Resonance

.  My advice is to always build flat primaries.

   You can
 > always raise or lower the primary or secondary to adjust coupling as
 > needed.  Believe me, you can easily adjust a flat primary to over couple
 > (i.e. flat primaries provide all the coupling that you need) - so - there
 > is no reason and no advantage that I know of to build dish or saucer
shaped
 > primaries.
 >
 > Ed Sonderman