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Re: Foam-core Toroids

Tesla list wrote:
> Original poster: "Lau, Gary" <Gary.Lau-at-compaq-dot-com>

> I'm interested only in sizes larger than my 6" x 22" so life preserver cores
> don't help.  Any thoughts on whether such a styrofoam core could be
> custom-made for a nominal fee?

I imagine that it would be rather easy to make one, by cutting 
calculated rings from styrofoam boards (with a saw blade, by hand), 
stacking and gluing them, and then finishing the surface with sandpaper.
The result would not be uglier than a toroid made with aluminum duct.
But it would be tricky to produce a smooth surface with aluminum tape,
since you can't press it effectively against that soft material.

Antonio Carlos M. de Queiroz