RE: First Spark

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

Original poster: "Rich" <rdjmgmt-at-socket-dot-net> 

Sorry about the misspelled word, I said I was new at this and that
proves it.
Rich

-----Original Message-----
From: Tesla list [mailto:tesla-at-pupman-dot-com]
Sent: Friday, September 10, 2004 7:08 PM
To: tesla-at-pupman-dot-com
Subject: Re: First Spark

Original poster: "Antonio Carlos M. de Queiroz" <acmdq-at-uol-dot-com.br>

Tesla list wrote:
  >
  > Original poster: "Rich" <rdjmgmt-at-socket-dot-net>
  >
  > Well my first try at a coil worked a little. It is 15Kv 30ma NST and
the
  > first try was at 8 ½ in.  I do have a question. Should the bottom of
the
  > secondary coil be even with the primary, above or below it?

This essentially just changes the coupling coefficient. Adjust for best
results.

  >   I had the torrid up too high at first, I had to bring it to where
the
  > lower side was just below the top of the secondary before I got any
sparks.

This changes the secondary capacitance and affects the tuning.
Affects also the shielding of the top of the secondary coil, to avoid
corona damaging the wire there.

  > The torrid is 4” flex pipe mounted on a 12” x .032 alum plate,
overall 20”
  > dia.  Are there any hard and fast rules on setting the torrid?

Just that the name is "toroid". "Torrid" is something very hot for me...
http://dictionary.reference-dot-com/search?q=torrid
http://dictionary.reference-dot-com/search?q=toroid

Antonio Carlos M. de Queiroz