Re: [] conical secondary (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Sat, 16 Jun 2007 19:21:59 -0700
From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: [] conical secondary (fwd)

So would I.
Bart

Tesla list wrote:

>---------- Forwarded message ----------
>Date: Sat, 16 Jun 2007 20:56:04 -0400
>From: Marko Ruban <Marko@xxxxxxxx>
>To: Tesla list <tesla@xxxxxxxxxx>
>Subject: Re: [] conical secondary (fwd)
>
>That looks like a lot of work.  I'd sure like to see the results when
>you're done :)
>
>
>
>Tesla list wrote:
>
>---------- Forwarded message ----------
>Date: Sat, 16 Jun 2007 15:12:25 -0700
>From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
>To: Tesla list <tesla@xxxxxxxxxx>
>Subject: Re: [] conical secondary (fwd)
>
>Hi Marko,
>
>Yes, several coilers have built flat secondary's. Not a great deal of 
>coilers, but a few. Most are close wound secondary's and this was also 
>my first flat secondary. I used a lazy susan turn table to wind it. I 
>actually laid down two sided tape on a piece of acrylic so that when I 
>wound the coil (with 24 awg), the turns would stick to the tape and stay 
>in place. It worked out pretty good.
>
>I've also wound a 1/2 scale replica of Tesla's flat coil. This was very 
>easy to wind, but building the supports for it was a real labor 
>intensive thing.
>
>I first cut runners to lengths then used a router bit to groove a center 
>channel along the runners which would accept 1/8" thick plexiglas strips 
>(the actual runners to hold the secondary winding). I mounted those on 
>circular cutout plywood.
>http://www.classictesla.com/flat/Img_3002fast.jpg
>
>When I cut the plexiglas standoffs, I made the turn to turn spacing 
>1/4". I taped off the wooden runners and used a clear 5 minutes epoxy to 
>glue in the plexi standoffs.
>http://www.classictesla.com/flat/Img_3003_fast.jpg
>
>
>I built a bracket that mounted the form to a tripod. The bracket allows 
>the form to pivot between horizontal and vertical. A bearing pulley 
>(form a Dodge 318 Idler pulley) was mounted to the form. This allowed me 
>to spin the form as I wound it.
>http://www.classictesla.com/flat/IMG_3020.JPG
>
>A closeup of this simple bracket.
>http://www.classictesla.com/flat/IMG_3021.JPG
>
>
>Once I wound the coil, I removed it from the tripod and set it on a 
>table. Here is what the finished winding came out like.
>http://www.classictesla.com/flat/Img_3462_fast.jpg
>
>I may remove a few inner turns before I'm finished, but now I'm trying 
>to figure out the best primary for this coil. I've got some copper 
>ribbon I was planning on, but I may change away from that.
>
>In the end, the coil will have a sphere mounted between 1 and 2 feet 
>center to the coil. It "will be", rim grounded with the hv end center to 
>the secondary.
>
>In any case, yes, we are playing with flat coils also. Just about every 
>coil type is being built by someone, somewhere.
>
>Take care,
>Bart
>
>
>Tesla list wrote:
>
>  
>
>---------- Forwarded message ----------
>Date: Sat, 16 Jun 2007 11:34:58 -0400
>From: Marko Ruban <Marko@xxxxxxxx>
>To: Tesla list <tesla@xxxxxxxxxx>
>Subject: Re: [] conical secondary (fwd)
>
>Just out of curiousity.... has anyone ever built a pancake TC secondary
>(in a home built system)?
>
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