Re: trioid (spelling?)

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

Original poster: "Matthew Smith by way of Terry Fritz <twftesla-at-qwest-dot-net>" <matt-at-kbc-dot-net.au>

Hi Adam

Tesla list wrote:

> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Beans45601-at-aol-dot-com>
> 
> I have finally gotten around to winding my secondary.... wow, thats fun! What
> can i use for a trioid, i was thinking some stiff dryer duct?
> Thanks
> -Adam


The word that you're thinking of is "toroid" - means "doughnut-shaped".
From the word "torus", originally from the Latin meaning "protruberance".


You may be getting confused with "triode" - a thermionic valve with 
three elements: cathode[kathode], anode and grid.  This term crops up 
[on this list] in the context of VTTCs (vacuum tube Tesla coils).  Does 
*not* come from "three lyrical poems" AFAIK ;-)

Cheers

M

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