Re: Capacitors

• To: tesla-at-pupman-dot-com
• Subject: Re: Capacitors
• From: Richard Hull <hullr-at-whitlock-dot-com>
• Date: Wed, 25 Sep 1996 10:13:25 -0700

Tesla List wrote:
> 
> >From julian-at-kbss.bt.co.ukTue Sep 24 22:23:41 1996
> Date: Tue, 24 Sep 96 14:36:50 BST
> From: Julian Green <julian-at-kbss.bt.co.uk>
> To: tesla-at-pupman-dot-com
> Subject: Re: Capacitors
> 
> Is polyester a good material for pulse capacitors?



Polyester is Mylar!  Perhaps one of the worst materials for pulse 
capacitors on the planet!! I'd rather use wet leaves for a dielectric!!!! 
 R. Hull



> 
> If so then how about this for an idea on how to make a good cap.
> 
> Take a length of un-dyed polyester cloth and roll a cap with it.   Make the
> connections and house the thing in a good container.   Mix up a batch on
> polyester resin with MEK bassed hardener.   Not too much as you are looking
> for a long curing time. Then vacuum impregnate the polyester cap with the
> polyester resin.  Allow the resin to harden.
> 
> One nagging thought though.  Is mylar another name for polyester?
> 
> Any comments?
> Julian Green
> 
> [ Yes, I believe that mylar is polyester :-( -- Chip]

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