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Re: [TCML] Mid sized Tesla Coil - Done

Wow that looks great, you got that together fast!

A couple suggestions would be to work on your topload to eliminate the
multiple streamers (assuming you don't like multiple streamers), so that
you end up with one larger streamer.   Part of the issue can be caused
by the lack of a uniform surface across the topload, providing multiple
breakout points, or the cause could be too small of a topload.  You
could try cleaning up the topload you have to see if things improve, and
if not, build a larger topload, taking care to keep it uniform (aluminum
tape can come in handy for the seams).

When you get the topload sorted out, you can work on coupling, by
raising the primary (or lowering the secondary), gradually, until you
start getting racing sparks.  When that happens, back it off a bit and
you will be as tight as you can be.

Again, good job on this one!


On 03/22/2015 09:04 AM, Timothy Gilmore wrote:
> Here is a better link showing both videos. Another one tonight also.
> https://www.youtube.com/channel/UCagcW23FY4yx6D4kWodMbKA
> Tim
> On Sun, Mar 22, 2015 at 10:36 AM, Timothy Gilmore <tdg8934@xxxxxxxxx> wrote:
>> I finally finished my long awaited mid sized tesla coil. The Tesla Map
>> software was spot on in the tuning of taping it between turn 12 and 13.
>> Most sparks are over 3 feet and many are over 4 feet long. I have 2 NSTs at
>> 15kv 60mA using capacitor equivalent of 30nF 30kv stacked in triple layer.
>> It uses 2 parallel tungsten spark gaps quenched by a squirrel cage fan. The
>> primary is taped at 12.5 turns on the 1/4" copper tubing starting at 8"
>> outwards. The secondary is 31" tall by 6" diameter of 26 awg wire of 1400
>> turns. I'm having about 10 of my friends and co-workers over next Friday
>> for an outdoor showing and cookout after work.
>> Check out the 2 dry run videos. One I was holding a florescent light bulb
>> and the lightning jumped over to it and I got zapped through the glass
>> part. Ouch. Ok but getting the long florescent tubes today. Over $1200 to
>> make it.
>> https://www.youtube.com/watch?v=RtWGQDUqzm4

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