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Re: 2533 turn secondary



Original poster: "Malcolm Watts" <m.j.watts@xxxxxxxxxxxx>

On 4 May 2005, at 17:35, Tesla list wrote:

> Original poster: "Mike" <mike.marcum@xxxxxxxxxxxx>
>
> I guess it depends on what your goal is: longer, brighter sparks (like
> most TC builders) or higher output voltage (but not necessarily bigger
> sparks). I read in the TCBOR newsletter somewhere where a group made a
> sec with 7000+ turns on a 8x 45" (or thereabouts) and got 5 MV out
> with15/120 in, but the sparks were not particularly impressive and
> quite dim. On the list I often see around 1400T +/- 200 as the magic
> number most often quoted as the one to shoot for for best spark length
> vs. input power (strikes a balance between L vs. R).
>
> Mike

I'd definitely want to see evidence to support the 5MV claim as I'm
sure would others ;)

Malcolm

> ----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx> To:
> <tesla@xxxxxxxxxx> Sent: Wednesday, May 04, 2005 1:25 PM Subject: 2533
> turn secondary
>
>
> >Original poster: "Mike Knowlton" <amdx@xxxxxxxxxxx>
> >
> >Hi all,
> > I'm getting ready to wind a 8.5" x 38" secondary.
> >It will have about 2533 turns of #28 wire.
> >
> > Is there any down side to this many turns?
> >
> >Any feedback before I start winding?
> > Mike
> >
> >P.S.
> > My form is 8.5 x 42"
> >I figure about 3 lb of wire.
> >I think it's about a 280mh coil
> >Self resonant freq. should be 112khz
> >With a 9pf toroid should resonate at 75 khz
> >Have I made any errors?
> >
> >
>
>
>
>
>