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Re: new member ??



Yes, I must concur with Mr. Cox.  I overlooked the "ma" after the .069. 
If it's 0.069A (69ma), then it'll be fine.  If it is truly less than 
1/10th of a milliamp, it's far too weak a transformer.

Chip

On Mon, 30 Nov 1998, Tesla List wrote:

> Original Poster: "D.C. Cox" <DR.RESONANCE-at-next-wave-dot-net> 
> 
> to: Shane
> 
> If your cap is 129 MFD and your xmfr only provides .069 ma (less than
> 1/10th of 1 ma) your system won't even begin to work at all.
> 
> DR.RESONANCE-at-next-wave-dot-net
> 
> 
> ----------
> > From: Tesla List <tesla-at-pupman-dot-com>
> > To: tesla-at-pupman-dot-com
> > Subject: Re: new member ??
> > Date: Sunday, November 29, 1998 10:25 PM
> > 
> > Original Poster: Chip Atkinson <chip-at-ez0.ezlink-dot-com> 
> > 
> > Welcome! Your overall design sounds pretty good.  The only thing I'd 
> > recommend is going with a dish or flat primary.  From what I've seen a 
> > cylindrical coil primary is likely to give more trouble with causing the 
> > secondary to spark along its length due to coupling problems.  Once you 
> > get it all working well, I'd definitely add the extra transformers.
> > 
> > Chip
> > 
> > On Sun, 29 Nov 1998, Tesla List wrote:
> > 
> > > Original Poster: "Shane and Tammy Rusch" <str-at-itol-dot-com> 
> > > 
> > > 
> > > First off. Hello to everyone! great list! found you guy's (gal's) after
> > > building my first coil with abysmal results. I would like to post the
> > > spec's of my second coil with a few questions to make it perform to
> further
> > > my inspiration to build a really BIG coil. Ok here is where I'm
> > > at.Secondary is 4.5" dia. ABS plastic, wound with #23 magnet wire to
> 21.90"
> > > winding length. Cap. is poly-plate in series to obtain approx. .0186
> uf.
> > > (homebuilt, under consruction) primary is #10 solid copper, vertical
> helix,
> > > 8" dia. .69" wire spacing  , x-former is 10kv .069 ma. with pfc. cap to
> 129
> > > uf. My question's are should I increase my pri. ma. to .092 or greater?
> (I
> > > have extra x-fofmers to parallal) or am I at the limit for my
> secondary?
> > > should I keep my primary helix or go for the flat spiral wound with
> copper
> > > tube? Any and all comment's greatly appreciated!
> > >   
> > >            Waiting for the thunder 
> > >                                                 Shane 
> > > 
> > 
> 
>