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Re: Cooking with the primary



Original poster: "robert & june heidlebaugh by way of Terry Fritz <teslalist-at-qwest-dot-net>" <rheidlebaugh-at-desertgate-dot-com>

Brain cancer, Is that when your brain starts to grow and you get swell
headed?
          Robert  H
-- 


 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > Date: Fri, 15 Aug 2003 08:00:02 -0600
 > To: tesla-at-pupman-dot-com
 > Subject: Re: Cooking with the primary
 > Resent-From: tesla-at-pupman-dot-com
 > Resent-Date: Fri, 15 Aug 2003 08:02:39 -0600
 >
 > Original poster: "Paul Marshall by way of Terry Fritz <teslalist-at-qwest-dot-net>"
 > <klugmann-at-hotmail-dot-com>
 >
 > My thoughts on this are "If a cell phone transmission may cause brain
 > cancer, what are these CW coils doing to us" ?
 >
 >
 >
 > Paul S. Marshall
 >
 >
 >
 >
 >
 >> From: "Tesla list" <tesla-at-pupman-dot-com>
 >> To: tesla-at-pupman-dot-com
 >> Subject: Re: Cooking with the primary
 >> Date: Thu, 14 Aug 2003 06:54:36 -0600
 >>
 >> Original poster: "sebastian gaeta by way of Terry Fritz
 >> <teslalist-at-qwest-dot-net>" <sgtporky-at-prodigy-dot-net>
 >>
 >> Hi,
 >>
 >> I did a bit of accidental cooking with my 304TL coil. I used too large of
 >> a topload, and too large of a tank cap. The large tank cap caused me to
 >> use too few primary turns which causes a larger RF current to flow.
 >> According to Bert H. too large of a toroid also caused some large
 >> circulating currents to flow.This all added up to trouble, and caused the
 >> bottom bolt on the secondary to get so hot that it melted the solder
 >> connection. My wooden support burned all along where the bolt, and ground
 >> strap contacted it.
 >>
 >> Continuous wave coils are much better at cooking than spark gap systems by
 >> the way.
 >>
 >> Please be careful. When there is no secondary, and sparks to dissipate the
 >> energy, you are going to have lots more RF floating around, which can be
 >> nasty if you are wearing jewlery, and harmful to other electronic devices
 >> nearby. You will also get an RF burn off of practically every thing
 >> conductive that you touch, whether it is grounded or not. If your OFF
 >> switch is metal like mine was, use a plasic rod or something to flip it
 >> off with. If you absolutely need to touch something metal while the coil
 >> is running you will need to equalise your RF potential by bonding to it
 >> with a metal object that is already in your hand like a key or something
 >> before you can touch it with your bare skin. When you wish to draw your
 >> hand away, you will have to make contact with the key first before you
 >> break electrical contact with your skin, otherwise you will draw an arc
 >> and get an RF burn. This all sounds very bizzare, but welcome to the world
 >> of high powered radio!
 >>
 >> Have fun, and play safe,
 >> Sue
 >>
 >> Tesla list <tesla-at-pupman-dot-com> wrote:
 >> Original poster: "John by way of Terry Fritz "
 >>
 >> Hello,
 >> I came up with an idea after looking at induction heaters on the Internet.
 >> I was wondering if one could remove the secondary coil from the middle of
 >> the primary and instead place something to be cooked. At high enough
 >> frequencies this should work.
 >>
 >> John
 >>
 >>
 >
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