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Re: The 64k$ Question



Tesla List wrote:
> 
> >From Esondrmn-at-aol-dot-comWed Jun 26 22:16:37 1996
> Date: Wed, 26 Jun 1996 13:48:56 -0400
> From: Esondrmn-at-aol-dot-com
> To: tesla-at-pupman-dot-com
> Subject: Re: The 64k$ Question
> 
> In a message dated 96-06-21 14:40:21 EDT, you write:
> 
> >
> >          Hi, Guys and Gals..............
> >
> >          I am building my second generation Tesla coil. My question
> >          to you,who probably have a lot of experience with this, is:
> >
> >          What type of spark gap would you recomend for the following
> >          Tesla coil (ie. airblast, series w/air,etc.) I will experiment
> >          with everythig else, but I really don't want to waste a lot of
> >          time with this element.........
> >
> >          Xfmr: Two 15kv neons in parralell (60 m.amp ea.)
> >          Cap: 20kv, .025 mfd (CP unit), due in one week
> >          Primary : 14 turns, 3/8 copper, 30 deg. spiral
> >          Secondary: 6" acrylic, 22 ga. magnet wire, 875 turns
> >          Chokes: "Winging it" (maybe recent TCBOR, D.C. Cox ???)
> >
> >          Any help on the spark gap issue would be most appreciated.
> >          I should throw the switch in about two weeks,and will be
> >          eager to share my results with you......
> >
> >          Tom Renko  (The Amp Man)
> >
> >
> 
> Tom,
> 
> Your system sounds very similar to mine.   I built a standard cylindrical gap
> as described at the ftp Tesla site.  It worked great with neon transformers
> of 12kv, 120 ma.  When I finally went to a pole pig I had to add a rotary in
> series with the cylindrical gap.
> 
> Ed Sonderman

Can you send me a diagram with construction details for your rotary gap?
I am building a large tesla coil (2kva) and have heard so much about 
these rotary gaps but have not been able to obtain good construction 
details.

regards Joe