Re: Dryer duct toroid?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Black Moon" <black_moons-at-hotmail-dot-com> 

Yes I realise this, but im not quite able to get the duct to sit nicely 
around the peice of metal while I tape it... do I need to use alot of 
excess duct or should I strech it as much as I can? or do I insert 
something into the duct to make it more rigid for taping?

>From: "Tesla list" <tesla-at-pupman-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: Re: Dryer duct toroid?
>Date: Thu, 18 Nov 2004 16:17:53 -0700
>
>Original poster: "robert heidlebaugh" <rheidlebaugh-at-desertgate-dot-com>
>
>Many of us use dryer duct for toroids, but not plastic. We use metal, The
>plastic ducting will serve to wrap aluminum tape sround as a form to hold
>the metal tape.
>    Robert   H
>--
>
>
> > From: "Tesla list" <tesla-at-pupman-dot-com>
> > Date: Thu, 18 Nov 2004 06:39:33 -0700
> > To: tesla-at-pupman-dot-com
> > Subject: Dryer duct toroid?
> > Resent-From: tesla-at-pupman-dot-com
> > Resent-Date: Thu, 18 Nov 2004 06:42:09 -0700
> >
> > Original poster: "Black Moon" <black_moons-at-hotmail-dot-com>
> >
> > Hi, Iv heard of making a toroid with that flexable plastic dryer exhaust
> > duct, about 4" across, has a metal 'spring' that keeps it from collapseing.
> > Now, Iv found some duct laying around my house (Not even attached to a
> > dryer, bonus at not having to disassemble the house!) but it kinda shrinks
> > into a little stack, and when I make a loop out of it, its like 3" inside
> > diamiter... so im kinda wondering, what do I do to make it rigid in the
> > large toroid shape? are there any websites detailing making one?
> >
> >
> >
>