Re: Rolled PE design question

• To: tesla-at-pupman-dot-com
• Subject: Re: Rolled PE design question
• From: Chris Tominkson <internetinbox-at-yahoo-dot-com> (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Tue, 30 Mar 1999 17:44:58 -0700
• Approved: twf-at-verinet-dot-com

But do you calculate this extra capacitance in? And
also that would mean that the tighter the roll, the
more capacitance you would get, right. Well, anyways I
was just trying tosave some PE so I could make more
caps later...

Chris.

--- Tesla List <tesla-at-pupman-dot-com> wrote:
> Original Poster: Hollmike-at-aol-dot-com 
> 
> In a message dated 3/29/99 3:12:09 AM Mountain
> Standard Time, tesla-at-pupman-dot-com
> writes:
> 
> > 
> >  So my question is, could you replace the extra PE
> layer
> >  on the bottom (could be on top) with an
insulater?
> >  
> >  Thanks in advance, Chris.  
> >  
> Chris,
>     The "extra" layer of PE is needed.   If you
think
> about it, the
> capacitance will double in a rolled cap vs. a flat
> plate cap of the same area
> (with two plates) due to the backsides of the plates
> acting like a third plate
> once rolled.   Would it not make sense to use the PE
> rather than some other
> insulating(dielectric) material?
> Mike
> 
> 

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