New cap

To: tesla-at-pupman-dot-com
Subject: New cap
From: RODERICK MAXWELL <tank-at-magnolia-dot-net> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
Date: Tue, 29 Sep 1998 04:33:08 -0600
Approved: terryf-at-verinet-dot-com

I wonder if anyone could answer this question. I just completed
construction of a new capacitor. It is a vertical plate type cap. The
dielectric is made of 30mil poly. There are two sheets between each
plate with a total of 50 plates 12"x12" in size. The capacitor measured
53nf dry (without oil). After adding mineral oil (refrigerant oil) the
capacitance went up to a peak value of 57nf. But after a couple of days
soaking in oil the capacitance has gone down to 55nf! Has anyone noticed
this in any of the caps they have built? The cap has not been run in a
coil yet I plan to let it soak a couple of weeks before I give a short
run at low power.



                                  Frankensteins Helper
                                         Max