[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Advice on secondary

Original poster: "Jim Lux" <jimlux@xxxxxxxxxxxxx>

PVC doesn't have a particularly high dissipation factor at TC frequencies.
It does absorb water, so you're going to want to dry that piece of sewer
pipe you found in the ditch beside the road before using it.


----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Saturday, January 29, 2005 8:17 PM
Subject: Re: Advice on secondary


> Original poster: jdwarshui@xxxxxxxxx
>
>
> P.V.C has a very high dissipation factor, they actually use radio
> frequency to weld P.V.C. (albeit at a very high frequency) I do not
> recall the exact figures but polyethylene and styrene both have rather
> low dissipation factors.  (anyone have a C.R.C. handbook handy?)
>
> Ideally no core at all would be best, Styrofoam is about as close as
> your going to get to no core at all.
>
> We have had many strikes but no fires or burning foam, not even a hint
> of burning styrene in the air. I don't think that the heat from the
> strike gets trapped behind the windings like it does with P.V.C.
>
>