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Re: Resonance, and now magnifiers



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


One could use flat copper strip, then slit some 1 inch dia. copper tubing,
and silver solder it over each end of the flat strip.  Good field control at
the sharp edges.

Dr. Resonance

 >
 > I think I've seen your magnifier on your webpage and noticed the
 > 12" wide aluminum flashing transmission line. It seems that you
 > would have trouble with corona losses along the edges of the
 > flashing, considering the thinness of it. I was just wondering
 > you delt with this or if corona was even a problem?
 >
 > David Rieben
 >
 >  >
 >  > On my large magnifier, I use a 12 inch wide, fifteen foot long
 >  > strip of
 >  > aluminum flashing as a transmission line.  The surface area is
 >  > quite large,
 >  > because both exposed sides provide capacitance, as opposed to a
 >  > cylinder
 >  > which has an inside surface area that is wasted. The magnifier
 >  > system loves
 >  > the capacitance, and Paul's explanation does a very good job of
 >  > explaining
 >  > why.  The transmission line, if designed as a large capacitance,
 >  > acts as an
 >  > additional energy storage device, as well as bringing that 3/4
 >  > mode
 >  > resonance more into "tune" with the extra coil/topload.
 >  >
 >  > Tesla ,himself, said adding capacitance to the top of the
 >  > secondary of a
 >  > magnifier would improve operation (Colorado Springs Notes,
 >  > September 19
 >  > 1899 page.)
 >  >
 >
 >  >
 >  > Bert Pool
 >  >
 >  >
 >  >
 >  >
 >  >
 >  >
 >
 >
 >