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Re: I Think I Messed up!



Original poster: "Jason Petrou by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jasonp-at-btinternet-dot-com>

Patrick,

12 turns should be enough for any coil - i would increase the capacitance.
You have exactly the same secondary as me - i went for about 20nF at 7
turns. Try a bigger cap or a smaller topload.

Best R,
Jason
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, December 03, 2001 6:40 PM
Subject: Re: I Think I Messed up!


> Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>
>
> Hi Patrick,
>
> If you reduce the size of the topload, you may get it to tune.  You could
also
> perhaps use more primary capacitance (LTR).  You can also just add another
coil
> in series with the primary to add inductance.
>
> Adding more primary capacitance would be the first choice.  Go for an LTR
value
> or even more if needed.  The larger cap size may bring you right into
tune.  If
> you can't add anymore capacitance, maybe add another tranny and then add
more
> capacitance.  Here is a chart but "push" the values if needed.
>
> http://hot-streamer-dot-com/temp/MMCcapSales.gif
>
> Cheers,
>
>         Terry
>
>
> At 11:57 PM 12/2/2001 -0600, you wrote:
> >
> > My primary consists of just under 15 turns of 1/4" copper pipe spaced
1/4"
> > apart. My secondary is 4" x 28" wound with 28 guage wire. I just ran
QuickTC
> > and it indicates the tap point would be turn 18!!! I didn't design for
this
> > at all!
> >
> > Do I have any recourse?? I really *cannot* scrap my primary and rebuild!
> >
> > Please give me some words of re-assurance.
> >
> > Thanks,
> > Patrick
>
>
>
>