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Re: Info on building secondary
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- Subject: Re: Info on building secondary
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Fri, 22 Apr 2005 02:44:55 -0600
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Original poster: "Gerald Reynolds" <gerryreynolds@xxxxxxxxxxxxx>
I used an acrylic form and an acrylic bulkhead. Scrap acrylic sheets are
fairly cheap. Lot depends on what you use for a form. Sona tube may
defeat some of the benifit from an acrylic bulkhead for example.
Original poster: "Mike Knowlton" <amdx@xxxxxxxxxxx>
> Original poster: "Dr. Resonance" <resonance@xxxxxxxxxx>
> Sec should start 3 inches up on the lower end to insure proper coupling.
Is this assuming a V shaped primary?
> Use two disks inside about 3.5 inches down from the >upper end and 5
inches in from the lower end.
I'd like to find an inexpensive material for these insulative plates (and
end caps). Would varnished particle board be as good as anything?
> Dr. Resonance
> > I'm about to start winding a secondary.
> > I have an 8.5" x 42" form.
> > Question 1. Should I start and stop two inches from the ends?
> > (letting the last turn coil in a wide spaced turn to the top)
> > Question 2. Should I put insulating plexiglas plates inside the tube
> > several inches from each end plate?
> > ( how many inches?)
> > Thanks
> > Mike