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Re: First Light!!!
---------- Forwarded message ----------
Date: Sat, 27 Sep 1997 18:50:08 +0200 (SAT)
From: Richard Smit <esmit-at-ilink.nis.za>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: First Light!!!
Hi,
I was wondering if there is any difference in performance if you remove the
chokes.
Can you send me your specs on your cap? (the sort of dielectric, it's
thickness, number of plates, size of plates, etc)
Thanks
At 09:54 AM 9/23/97 -0500, you wrote:
>
>From: Richard Staron[SMTP:rstaron-at-widow.aracnet-dot-net]
>Sent: Monday, September 22, 1997 8:25 PM
>To: Tesla List
>Subject: First Light!!!
>
>I DID IT!!!!
>
>Well I finally got first light on my first coil. Always wanted to build
>one and now its working. Gotta thank Robert W. Stephens for being a
>good mentor during the building stage. Thanks Robert!
>
>I am getting about 18" streamers from the toroid and still experimenting
>with different toroids sizes and shapes. This coil looks like it needs
>a lot of capacitance on top.
>
>SPECS:
>
>Primary: 1/4" copper tubing, spaced 1/4" apart
> ID: 6" OD: 20" approx 15 turns
> Tapered primary at 30 degrees
> Tapped at about 9-10 turns from center
>
>Secondary: 18" long x 4-3/16" white drain pipe
> 22 gauge wire inductance approx 12 mh.
> Coil can be moved up and down within the primary.
>
> Next coil has been wound with #26 wire 21"long x 4 3/16"
> inductance approx 30 mh. (waiting for varathane to dry :) )
>
>XFMR: 15kv-at-30ma neon.
>
>Capacitor: .005 ufd -at- 50KV
>
>Chokes: 2 1 in each leg of xfmr
> 3.8" od x 1" id x .5 wide homemade plexiglass bobbin.
> #26 wire wound randomly until filled.
>
>Toroids: 17" Diam x 4" stacked over 12" diam x 3"
> (more toroids I stacked, the more spark I got!)
> Still playing around here.
>
>Spark gap: 2 gaps -at- .080" wide using 3/4" ball bearings as electrodes.
> No air over gap (yet!)
>Safety gap: 1 gap -at- .5" using 3/4" ball bearings as electrodes
>
>Ground: 3/4" copper braid to cold water pipe in basement.
>
>Results so far: 2-3 Streamers breaking away to a distance of about 18"
> Stacking toroids seems to increase streamer length.
> Safety gap fires about 5% of the time.
> A lot of ozone!!!
> Trembling knees :)
>
>Future enhancements: Insert new secondary coil
> Build a new multi gap spart gap.
> Find an old vacuum cleaner motor!
> Take a bunch of pictures.
>
>
>
>
>
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|Richard Smit | Telephone: +27-525-32634 |
|P.O.Box 566 | Email: esmit-at-ilink.nis.za |
|Bultfontein | Age: 17 years old |
|9670 | Hobbies: Tesla Coils; FIREWALKING; Computers; UFO's |
|South Africa | Birthday: 5 October 1979 |
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