Re: Edgewound primary

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

Original poster: "robert heidlebaugh" <rheidlebaugh-at-desertgate-dot-com> 

RickŠ If I understand what you are saying.  You have HDPE that is only 1.5"
and you have copper 3" wide and 20 mills thick  so it will bend easly and
distort the 1/4 in air space easly where ihe HDPE is not insulating the
space. You can fold the copper so it will tend to pucker if you try to roll
it because the inside has a smaller radius than the outside. I think you
would do better to use a roll cutter to cut the copper to a proper width and
use layered copper say 1" wide to give more width of the HDPE than
conductive copper allowing the use of higher voltage with out arcing around
the edge. 1/4 inch would give you 3/4" of distance around the edge . If the
copper is wider than or the same as the HDPE the distance is only 1/4 inch
reducing you max voltage to 5000 V/T or less.  Just my thoughts
      Robert    H
-- 


 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > Date: Sun, 17 Oct 2004 12:02:17 -0600
 > To: tesla-at-pupman-dot-com
 > Subject: Edgewound primary
 > Resent-From: tesla-at-pupman-dot-com
 > Resent-Date: Sun, 17 Oct 2004 12:06:16 -0600
 >
 > Original poster: "Richard W." <potluckutk-at-comcast-dot-net>
 >
 > Hi list,
 >
 > I have about 150 feet of .021" thick (16 oz) x 3" copper strip. I also have
 > several hundred feet of 1/4" x 1-1/2" HDPE, one continuous piece, that I
 > plan to use to separate the coils.
 > As far as I understand the disadvantage of this is corona loss along the
 > sharp edge. If I were to solder #10 bare wire or #8 grounding wire to both
 > edges would this be a viable solution? And yes, I believe I can accomplish
 > this, won't be easy but I believe I can do it.
 > I have also read that the advantage of a strip primary is the increased
 > surface area of the conductor.
 > Also if needs be I'm also prepared  to fold the strip lengthwise. This too
 > i believe I can do.
 > So what would be the "hot" setup with the materials I have?
 >
 > Rick W.
 > Salt Lake city
 >
 >