Re: best coupling clearance

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

Original poster: "Gerry Reynolds by way of Terry Fritz <teslalist-at-qwest-dot-net>" <gerryreynolds-at-earthlink-dot-net>

Dr R.

When all is said and done,  does the primary winding end up above or below
the bottom turn on the secondary???   Seems like K is decreased as the
primary is lowered below this bottom turn and is increased as the primary is
raised above the bottom turn.  Should one try to maximize K without getting
racing sparks or secondary to primary breakdown???   Why does one start with
a primary below the secondary bottom turn if this lowers K???

Gerry R
Ft Collins, CO

 > Original poster: "Dr. Resonance by way of Terry Fritz
<teslalist-at-qwest-dot-net>" <resonance-at-jvlnet-dot-com>
 >
 >
 > Best coef. of coupling does depend on your overall design variables.
 >
 > I suggest a primary to sec. coilform distance of 1.5 inches with the sec.
 > first winding starting 1 inch above the primary horizontal plane --- this
is
 > a universal design which seems to work well for most applications.
 >
 > You can use wood wedges to experiment with elevation to see if that
provides
 > additional improvement.
 >
 > Dr. Resonance
 >
 > Resonance Research Corporation
 > E11870 Shadylane Rd.
 > Baraboo   WI   53913
 >  > Visit http://www.diesquirrelsdie.tk
 >  >
 >  >
 >
 >