Re: Magnifer vs. Tesla Coil

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

Original poster: "Robert Jones" <alwynj48-at-earthlink-dot-net> 


 > cancellation.
 >
 >   I was suprised you have not found mesured differences between your
lumped
 > model and real coils. This quick and dirty calculation suggests your
correct
 > with average top loades. Consider a top loaded coil such that its
resonance
 > is reduced to a half,  At 3/2 of its resonance frquency  the relative
 > distances to the first poles and zeros  is approximatly 1:6  with the
 > inverse square law thats 1:36. Just  approx  3% contribution which would
be
 > reduced futher to say 2% by the next pole pair. With a small top load say
a
 > reduction to 0.7 of self resonance the contribution is a still only about
 > 10%. Compared to the no top load case at 3/2 its 1:1 say 30% with the
 > effects of the next poles.
 >
 > Bob
 >
 >

Oops a small error I think the 1:6 is 1:5 still only 4% with the inverse
square thing.  Say 2 to 3% including the next poles.

Bob