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Re: [TCML] Capacitor advice

Here are couple of possibilities:
1 Glass is inherently lossy in RF applications. This is in the nature of the substance. More glass = more internal energy loss. 
2 Glass that has even microscopic entrained air bubbles can form hot spots that break down tiny cracks and arc through internally under HV.  
3 Did you retune the primary coil to compensate for the larger cap? 

Matt D.

-----Original Message-----
From: amir gh <mamout.72@xxxxxxxxx>
To: tesla@xxxxxxxxxx
Sent: Thu, Aug 5, 2010 7:18 am
Subject: [TCML] Capacitor advice

Hi .
ecently i've upgraded my capacitor to 38 nF . it is "parallel plates
apacitor" kind with 30*30 glasses as dielectric .
fter upgrading , i run my coil but my coil was weaker than before . gives
-7 cm streamers . but last time gave ~15 cm streamers.
hy ?
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