Re: Dryer duct toroid?

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

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?
 >
 >
 >