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Re: Homemade stacked plate cap. *Need* a vacuum pump?




From: 	Edward V. Phillips[SMTP:ed-at-alumni.caltech.edu]
Sent: 	Monday, November 03, 1997 2:30 PM
To: 	tesla-at-pupman-dot-com
Subject: 	Re: Homemade stacked plate cap.  *Need* a vacuum pump?

	In the "good old days" when we didn't have a vacuum chamger
chamber (at work) we used to put stuff in a can of oil and beat
the bottom of the can with a rubber mallet to dislodge the entrapped
air bubbles.  Worked pretty well if you had the patience.  Just
keep pounding until the bubbles quite rising for a while.  If possible,
warm the oil as much as possible to make the bubbles expand.  A few
times should work fairly well, certainly much better than doing
nothing!  Of course, all it takes is the corona in one little bubbler
bubble!!!!! to start an insulation failure.
Ed