Re: Toroid made easy

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Bob (R.A.) Jones" <a1accounting@xxxxxxxxxxxxx>

Hi,

Air pressurizing a red hot toroid thing over burning charcoal to any
pressure greater than a few psi sounds potentially very dangerous.
If the red hot torous suddenly bursts it may be propelled in any direction a
long with the burning charcoal.
I suggest if you want to try this stand well back and do it out doors.
Safety aside it does sound a relatively simple way of creating a toroid.
Though I suspect even inflation would be problem with a charcoal fire.

I wonder how a stainless steel gazing ball could be deformed in to a toroid?

Stainless steel resistance: due to skin effect the difference is reduced to
the square root of the ratio of resistances.
Given even aluminum tap not connected together works ok the poor resistance
(relative to aluminum) of solid SS is likely to make no difference.

Robert (R. A.) Jones
A1 Accounting, Inc., Fl
407 649 6400
----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Thursday, February 02, 2006 7:30 PM
Subject: RE: Toroid made easy


> Original poster: "alfred erpel" <alfred@xxxxxxxxx>
>
>
> Gary,
>
> WOW!
>
> What an awesome approach.
>
> I am going to try this with mirror finished stainless steel and report the
> results back here.
>
> I have an induction heating unit that I don't know how to use yet (and am
> not going to figure out for this) but that is the way to go on heating up
> the flat blanks.
>
> BTW, does anyone have any comments regarding the efficacy of using
stainless
> steel (stainless steel has ~1/27 the conductivity of aluminum according to
> one internet source) as a toroid vs. aluminum or copper in tesla coil
usage?
>
>
>
>
> Regards,
>
> Al Erpel
>
>
> [stuff snipped]
>
>
>  >  You can get a 98% accurate idea of the actual size by bending
>  >a sheet of paper into a radius to see how large your finished
>  >balloon shape toroid will be.
>  >
>  >Gary Weaver
>
>