Re: Extended foil Cap. design, Vacuum pump

• To: tesla-at-pupman-dot-com
• Subject: Re: Extended foil Cap. design, Vacuum pump
• From: Clay Wilson <gasman-at-althea.a-line-dot-net> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Sun, 18 Oct 1998 11:12:43 -0600
• Approved: terryf-at-verinet-dot-com

> >How much vacuum do you apply to the capacitors before, during & after oil 
> >filling?
> >I have an old desoldering station that creates a vacuum by using
Compressed 
> >Air and generates about 5 inches Hg.  Is this enough?
> 
> A perfect vacuum would be something like 28.X inches Hg.  You could
> probably do
> better than 5 inches just sucking through your mouth.  So no, you'll need
> something better.
> 
> Gary Lau


	Are you sure 28-29 in Hg will be enough??  I have been toying with 
the idea of building a cap(s) instead of shelling $600 for mine - I just
assumed
one would need a *really good* vacuum to eliminate (almost) all the air
bubbles.
Like in the refrigeration-type range - on the order of microns.

	Not true??

						Thx,
						Clay

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