Re: Grounding Problem???

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

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Esondrmn-at-aol-dot-com>

In a message dated 1/27/02 12:23:23 PM Pacific Standard Time, tesla-at-pupman-dot-com
writes: 


>
> > Malcolm, 
> > 
> > I have a similar sized secondary, 6" diameter with a winding length of
> 27.6" 
> > using 22 guage wire.  I am using a .05 mfd cap with a 14, 400 volt 
> transformer 
> > running about 7 kva.  If I did the math correctly, the bang size here is 11
>
> > joules.  This coil runs fine with a sync rotary at 240 bps.  If I try to 
> run it 
> > at 120 bps, I get a very intense and visible corona between primary and 
> > secondary, with small sparks coming out of the middle of the secondary, 
> and it 
> > looks like it is ready to blow up.  In order to run at 120 bps, I would 
> need to 
> > reduce my coupling to be safe. 
> > 
> > Ed Sonderman 
>
> Is that energy the same at the higher breakrate? Also, what size 
> terminal are you using? 
>
> Regards, 
> malcolm 



Malcolm, 

Not sure if the energy is the same at 120 and 240 bps.  I would think the 5kva
transformer could charge the .05 mfd cap to full voltage at either rate.  I use
two toroids, the lower one is 6" x 33" with a 6" x 40" raise up above that one.


Ed Sonderman