Re: Secondary Internal Gaseous Insulation (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Thu, 20 Sep 2007 11:58:12 -0700
From: Jim Lux <jimlux@xxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Secondary Internal Gaseous Insulation (fwd)

Tesla list wrote:
> ---------- Forwarded message ----------
> Date: Wed, 19 Sep 2007 11:53:28 -0500
> From: Crispy <crispy@xxxxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: RE: Secondary Internal Gaseous Insulation (fwd)
> 
> Really, I'm just trying to build a bullet-proof coil.  My previous coils
> have all used Sch.40 PVC pipe as secondary formers, but on this one, I'm
> going to use sewer pipe, which is rated at "Gravity Flow".  I'm guessing
> this means that the walls are thinner, and I'm just a little concerned
> about the effects that could have.  I'm planning on preparing the
> 
> 

The cost of the SF6 will be substantially more than just buying thicker 
walled tubing.

But, in any case, the SDR stuff will work ok.  The voltage stress 
through the wall is not the limiting factor.