Re: [TCML] Odd VTTC Streamer Behavior

[futuret@xxxxxxx]

Ed,

The capacitance was 0.006uF.

John


-----Original Message-----
From: Ed Phillips <evp@xxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Tue, 21 Oct 2008 6:37 pm
Subject: Re: [TCML] Odd VTTC Streamer Behavior


Ed, 
 
The 8kV was the AC rating for the mica cap. It's rated for 11 amps at 
300kHz. 
The coil operated at around 120kHz or so. I was getting probably 
35" sparks at the time. I knew the rating was marginal, and I was 
not surprised it failed. Usually I use two of these in series, but I 
didn't 
have the right values so I used this single capacitor. I just offered 
this 
information to give Phillip(?) an idea of what type of voltage 
relationships he might expect. I wasn't presenting it 
from a engineering or scientific perspective. 
 
John" 
 
  I can't find where you listed the capacitance but if it were 0.002 
ufd [2 nF] it would have a reactance of about 265 ohms so the 11 amps 
would be equivalent to an RF voltage of about 2900. Don't know what you 
were actually using of course. 
 
Ed 
 
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