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Re: fiberglass secondary (fwd)
---------- Forwarded message ----------
Date: Sun, 03 May 1998 19:29:42 -0500
From: RODERICK MAXWELL <tank-at-magnolia-dot-net>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: fiberglass secondary (fwd)
Tesla List wrote:
>
> ---------- Forwarded message ----------
> Date: Sun, 3 May 1998 09:42:17 -0700
> From: Jim Lux <jimlux-at-earthlink-dot-net>
> To: Tesla List <tesla-at-pupman-dot-com>
> Subject: Re: fiberglass secondary (fwd)
>
> ----------
> > From: Tesla List <tesla-at-pupman-dot-com>
> > To: tesla-at-pupman-dot-com
> > Subject: fiberglass secondary (fwd)
> > Date: Saturday, May 02, 1998 12:35 PM
> >
> >
> >
> > ---------- Forwarded message ----------
> > Date: Fri, 01 May 1998 21:40:12 -0500
> > From: RODERICK MAXWELL <tank-at-magnolia-dot-net>
> > To: tesla-at-pupman-dot-com
> > Subject: fiberglass secondary
> >
> > Can anyone tell me the loss factor for fiberglass cloth? I wish to
> > use it to form a secondary out of. It will be composed of epoxy and
> > fiberglass cloth.
>
> Fiberglass cloth is, as one might imagine, made of glass. Use the loss
> tangent for glass. You might figure out the ratio of glass to plastic and
> calculate the overall loss tangent as a combination of that for glass and
> that for epoxy.
>
> What kind of glass? I would imagine it is fairly pure, (i.e. close to
> silica), but perhaps a call to a manufacturer of the cloth would help
> resolve the question.
>
> Or, lay up a small piece and test it.
>
> BTW, I can't imagine that the loss in the form would have all that much
> effect on the overall coil performance. There are so many other loss
> sources of much greater magnitude.
Thank you for your reply. I thought that it was made of some type
of plastic fibre?
Frankensteins Helper
Max