Re: Toroid Building

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Robert Hanford" <pomnept@xxxxxxxxxxx>

Hi, I used Bondo to fill the corrugations of my Home Depot aluminum 
toroid and sanding was a real pain. It does look nice though, and it's sturdy.
Good Luck
Robert Hanford
----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Friday, August 19, 2005 9:55 AM
Subject: Toroid Building


> Original poster: "Gerry  Reynolds" <gerryreynolds@xxxxxxxxxxxxx>
>
> Hi All,
>
> I'm in the process of making a 8x32 inch toroid using the heavy 
> ducting from McMaster-Carr
>
> I have the toroid formed (ends attached) and I plan to mount an AL 
> disc in the center with a little RTV.  I want to fill the 
> corrigations with something that can be easily sanded to make 
> smooth.  I am planning on using PLASTER_of_PARIS for this purpose 
> (done after the center disc is mounted for rigidity).  After sanding 
> smooth, I plan on sealing the plaster with a varnish and then adding 
> AL tape starting and terminating on the AL disc.
>
> Does anyone see a problem with using the plaster??  Grout is maybe 
> another choice for a filler. Ideas welcomed.
>
> Gerry R.