Re: My First Tesla Works!

• To: tesla-at-poodle.pupman-dot-com
• Subject: Re: My First Tesla Works!
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Fri, 13 Jun 1997 07:30:25 -0500
• Approved: tesla-at-stic-dot-net

Subject:       Re: My First Tesla Works!
       Date:   Fri, 13 Jun 1997 07:59:59 +1200
       From:   "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
Organization:  Wellington Polytechnic, NZ
         To:   tesla-at-pupman-dot-com


Hi Tom,

>        From:  Tom Heiber <theiber-at-lonet.ca>
> Organization: Power Surge
>          To:  tesla-at-pupman-dot-com
> 
> 
> 
> Hey There Guys (and gals) my FIRST Tesla Coil Works.
> After painstakingly long hours of building it It Works!
> 
> WOW!
> 
> Well Here are the specs!
> 
> Power Supply: 12KV 60mA Neon Xfmr.
> Spark Gap   : 4 bolts in series, cooled by a cooling fan
> Cap         : Home-Made Salt-Water Caps -at-13.1nF
> Primary     : 9 Turns 1/4" copper tubing, tapped at 9 (needs more turns)
> 
> Seconday    : 4"x13.5" 22Gauge, blue PVC pipe
> Toroid      :  4"x30" aluminum duct pipe
> 
> Well. After I have cooled down a bit. Here's my problem.
> 
> About 1/3 way from the bottom of the winding (secondary) I had a breakou
> of corona and it fused about 4-5 turns together. Now, I have no idea why
> this has happened or how to fix it.
> Also, all I get from this TC is about 13"-15" sparks. Is this the
> maximum I can get from my Tesla?

Sounds as if the coupling is far too tight. Lift the secondary away 
from the primary, checking spark length for each incremental move. I 
have gotten 3' from that transformer and another list member has 
scored 4' using a synchronous rotary. 

Happy sparkin',
Malcolm

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