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Re: Secondary Size....




From: 	Peter Electric[SMTP:elekessy-at-macquarie.matra-dot-com.au]
Reply To: 	elekessy-at-macquarie.matra-dot-com.au
Sent: 	Sunday, August 24, 1997 5:17 AM
To: 	Tesla List
Subject: 	Re: Secondary Size....

Tesla List wrote:

> From:   DR.RESONANCE[SMTP:DR.RESONANCE-at-next-wave-dot-net]
> Sent:   Thursday, August 21, 1997 1:41 PM
> To:     Tesla List
> Subject:        Re: Secondary Size....
>
> To: Cetanhawk
>
> Tube is presently too long.  A 4:1 ratio seems to work best.  If you
> stick
> with the 3" OD tube this would dictate a winding length of 12".  You
> might
> go up to a 6" dia tube with a 24" winding length -- better efficiency
> and
> better sparks per unit input power.  Use either 24 or 26 AWG magnet
> wire --
> the high temp 200 degree C. wire is best because it has more
> insulation on
> it.
>
> Good luck.
>
> DR.RESONANCE-at-next-wave-dot-net
>

> >
> > From:         Cetanhawk-at-aol-dot-com[SMTP:Cetanhawk-at-aol-dot-com]
> > Sent:         Wednesday, August 20, 1997 9:47 AM
> > To:   tesla-at-pupman-dot-com
> > Subject:      Secondary Size....
> >
> > Dear TC Fans, I am going to wind a secondary coil on a tube/form 3"
> O.D.
> and
> > I am wondering what gauge MW  should wound on it. The tube is 5ft
> tall,
> > cardboard taht has been glazed with polyeurethane. Any one have any
> ideas
> for
> > me?? Also what would the capacity be for this size of secondary,
> Hope to
> hear
> > from you all regarding my question, Thank's!!
> > Sean~
> >

Sean,

I agree with Dr Res. I went from a 3.5" secondary to a 6" and my sparks
increased 9" with the same input power. Don't bother with small
secondaries.

Cheers,

Peter E.