Re: DIY Plasma globes available

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Dr.Resonance by way of Terry Fritz <twftesla-at-qwest-dot-net>" <resonance-at-jvlnet-dot-com>


Freq needs to be adjustable to adjust to gas impedance.

We use adj 20-30 KHZ at 8.2 kV (measured as rectified, filtered DC).  AC RF
on the globe of course.

Gas pressure is 5000 microns.

Dr. Resonance




----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, December 06, 2002 5:38 PM
Subject: Re: DIY Plasma globes available


 > Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Fucian-at-aol-dot-com>
 >
 > In a message dated 12/6/02 6:25:07 PM Eastern Standard Time,
 > tesla-at-pupman-dot-com writes:
 >
 > >Anyone know the specifics about calculating minimum voltage necessary
 > >to turn a significant amount of noble gas mixture x into plasma?
 > >If you over heat it to much you burn through the glass outer sphere when
 > >someone contacts it. On further consideration I guess a plasma ball with
an
 > >unknow gas mixture is a raw deal.
 >
 >
 > Once i was WAY into making these...Never did make one...But read some
stuff
 > on it...Typical flyback transformer current is enough...Make sure the
glass
 > is decently thick...Id say like 3mA?
 >
 > Matt
 >
 >