[Prev][Next][Index][Thread]
Re: Improved wire screen torroid?
Date forwarded: Tue, 25 Aug 1998 23:35:45 -0600
Date sent: Tue, 25 Aug 1998 22:46:22 -0600
To: tesla-at-pupman-dot-com
Subject: Improved wire screen torroid?
Forwarded by: tesla-at-pupman-dot-com
From: Tesla List <tesla-at-pupman-dot-com>
From: bertpool-at-ticnet-dot-com
>
> All this talk of toroid construction using metal screening has got me
> to thinking of a possibly reasonable method of construction. My idea
> is pretty long so here it goes. First make all the thick styrofoam
> reenforcement disks like has already been suggested. Now take a
> flexible strip of (metal, plastic or, ?) equal in length to the inside
> radius of the desired toroid. Screw this metal strap to the long edge
> of a rectangular piece of screening and then glue or screw the disks
> standing up with all their planes parallel to each other but evenly
> spaced along the metal strip. Now wrap the metal screen around the
> disks being sure to leave some slack. Now screw the free edge of the
> screening to the opposite edge forming a simple cylinder. It may now
> be possible to form the whole assembly into a ring with the inner
> metal strap preventing the undesired but very likely tendency of the
> screen to fold in on itself. Now assuming that all this process works
> and assuming that you were flush enough to spring for good copper
> screening you could then wrap the seam where the cylinder ends meet
> with a piece of copper tape. Solder the tape where it overlaps the
> screen to make a smooth joint . Side Note:( It if you have enough
> copper tape and solder you could even wrap the whole toroid with it
> and solder the whole mess into a perfect toroid) . Now that you have
> this fancy ring make a couple of large disks using of thin plywood
> apply some contact cement and add a layer of heavy duty aluminum foil
> to one side of each disk. You could also use copper clad PC board to
> make the disks. Now sandwich the pieces togather with a long bolt. If
> you used PC board and copper screening you could now solder the top
> and bottom into place. Wa la instant torus. Well maybe? Let me know
> what you all think.
>
> Also I would like to hear much more about this Fort Worth Teslathon
> that I missed. Is it an annual event? Who all was there and why
> wasn't I invited dammit : )
>
> adder_black_the-at-yahoo-dot-com
> Dallas Texas
>
>
> _________________________________________________________
> DO YOU YAHOO!?
> Get your free -at-yahoo-dot-com address at http://mail.yahoo-dot-com
>
>
The 'Thon was open to anyone who wanted to come. We'll be having another
one in '99; Phil Rembold will be next year's host. A notice on this
list-serve will
be posted about one month before the event.
Bert Pool